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this reflex equipped monitor just has the tool built into it for measuring

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in-game latency

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remember this thing ba-bam a photo sensor

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i remember and i also remember asking NVIDIA oh so nicely to release it to the

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public and while that might not be quite what we've got here today what we do

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have is a display that has very similar

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functionality built right into it yes my friends

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this gaming monitor has a function that will tell you the exact delay between

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when you click the mouse and the photons actually hit your eyes

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so we thought wow that's pretty cool

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why don't we use it then to see which in-game settings have the biggest impact

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on our gaming experience and we're also going to see the impact of our sponsor

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storyblocks save time and money with storyblocks video they give you studio

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quality stock video clips for a fraction of the cost check them out today at the

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link in the video description

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an NVIDIA reflex display like our ASUS pg259 qnr does exactly what i said in

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the intro it measures the latency from the click to the frame actually reaching

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the display and the muzzle flash actually going

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critically what it doesn't do is measure the display's latency which is why we're

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still calling on NVIDIA to release the ldap as well

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but before we dive in let's go over how this works

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on the back of the display are usb ports now you might think oh well this is just

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a usb hub like on the non-reflex model of this exact monitor that you guys

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checked out a while ago and you would be right except that if

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you plug a supported mouse into it then plug the display's usb output into

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your pc like we've done right here the display will recognize precisely when

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the mouse button is clicked in theory before the pc even receives the signal

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it then measures the time between detecting the click and a change that it

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monitors on screen pretty straightforward so far but how do

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we tell the monitor where to look will it just monitor the entire image and use

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like ai to tell if something relevant changes

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i mean yeah it's NVIDIA so that's not even impossible to believe in the future

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but for now it's a little bit simpler what we do is go into the on-screen

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display and then we can tell it hey

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turn on the monitoring rectangle

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now this is already right but let's go ahead and have a look at some of the

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other options that are in here you can see you can try a couple of the presets

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centered right handed left-handed according to you know where you might expect your gun or especially a muzzle

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flash to be you can change the size

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make it bigger or smaller and you can also adjust the sensitivity once it's

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tuned every time we pull the trigger on our firearm or click the mouse we're

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gonna see a little millisecond readout in the bottom corner or if it's having

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trouble figuring out what it's looking at it'll just show a bunch of x's so

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let's dive in and see what our starting latency looks like here we are running

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at 640 by 480 i mean i guess

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did we want to start at a best-case scenario for latency or worst case well

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i guess this is pretty best case all right so what are we looking at here

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then there's there's a lot of fluctuation and that's normal

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21 milliseconds from click to seeing something happen that's insane 23. like

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that's from click to for like all the processing and everything that's less

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than a frame at 60 frames per second for something to happen on screen that's

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ridiculous like it doesn't sound like it's that fast but it is it's really

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fast if you're moving then uh the different shapes of the muzzle flash

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especially if you're like firing really rapidly yeah can cause it to

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misread i think all right what do you want to do next

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uh we could bump the resolution sure let's bump the rest 22 16.

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16. that's like

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a frame at 60 hertz but like

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the whole chain so games that have NVIDIA reflex

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technology actually have in engine optimizations to bring this time down

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but this reflex equipped monitor just

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has the tool built into it for measuring in game latency

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we also don't have ultra low latency enabled in the driver either really

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this is just stock settings in the driver yeah okay yeah let's do it that

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maximum performance i would not pay extra to have this

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feature in my monitor neither would i i might

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would you why you could just like uh especially

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yeah i don't have one of those liners right that's fair but they should just

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do this for 50 bucks and then you have something you can carry forward with you okay the problem though is that for this

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to work you actually do need to like

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wire up a thing to your mouse okay all right all right all right all right yeah but they could just sell you a mouse for

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that and then you dial it in and then you use your regular mouse 24 30 37 30

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26 24 31 19 21

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25 24. these kinds of fluctuations are actually really normal like you wouldn't

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normally see them or feel them right because like all of this kind of stuff

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is just like happening in the background and by the time it updates to the screen

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the screen is basically doing something else your eyes are living in the past

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more or less your eyes are living in the past Anthony 2020 next we need to figure

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out how to minimize brain lag who throws an incendiary grenade look at me i got

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fireproof feet i got sandals on bro okay you know what let's see how bad we can

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make it not helping matters right now or rather helping them is the fact that

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counter-strike is an esports title and has received significant optimization in

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this way now you can play games where you can really feel that there's a lot

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more engine lag even if you haven't changed anything else your graphics card

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mouse monitor etc i could turn off a and see what happens that's always something

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that has been a perceived difference for me is that turning on really high levels

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of anti-aliasing can make some games feel really mushy yeah hold on a second

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though does that look like a little bit less spikiness

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maybe yeah looks like it's hovering between the 20 to 30 range right now

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17 29 25. like i don't think i've seen anything

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significantly higher than 30 yet whereas before we were spiking as high

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as like 40-ish yeah

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interesting okay maybe anti-aliasing is still bad by like

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a few milliseconds hey look when you want every competitive edge i mean that

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is NVIDIA's marketing for this this is almost definitely a little bit better

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not you might feel only because i can look at the numbers Anthony i cannot

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feel the difference between those i was going to say like no no no no no when

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did you join the esports leagues yeah exactly right we could try a lower

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refresh rate um i don't know how

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much you care about that considering if you're buying a 360 hertz monitor are

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you going to lower the refresh rate no not unless you're an idiot

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so well with that said i don't think it supports ulmb at 360 hertz uh

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maybe not 240 only oh there we go it's a

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nice dim nice dim look for the display

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look i'm not saying i'm a ulmb hater david i'm just saying it's worse and you

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should feel that it's all about dyc bro if you're in a dim room a dim display

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doesn't matter that may be true but i try to not be my

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old gamer handle you know closet gamer i put my whole computer and

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monitor in my closet okay so let's have a let's have a looky-loo here

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oh yeah it's worse that that is worse it's definitely worse you are officially

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objectively worse david yeah

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get good scrub yeah not that i would want to play you but

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whatever 66 i mean we never saw anything even close to that lower hurts

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definitely more worse okay confirmed what's our next project that's that's

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actually kind of crazy given that it's 240 versus 360.

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like 360 only just became a thing i know right right

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big difference it does somehow

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oh i know you're getting one of these i'm going on the record right now if a

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480 hertz monitor doesn't come out in the next year david will own a 360 hertz

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monitor now let's play around with the title that actually has NVIDIA reflex

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so NVIDIA reflects low latency we're going to on plus boost i have no idea

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what that does okay let's just go on let's go vanilla on we're not going to

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use deep learning super sampling we're just going to

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run at low and then we're going to try cranking it to high

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fortnite oh gee i don't know Linus i have no idea

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what you're talking about fortnite how about that one

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disgraceful i could probably write a better search

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than this fun fact speaking of dos i actually set

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up an emulator for a pentium one 200

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megahertz with mmx the reason for it is i brought home the hot wheels pc and i

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was like oh this sucks doesn't it my kids were like these games are great

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oh okay yeah i guess content's still king by the way stay subscribed because

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maybe we'll do a video about that emulated old pc versus using dosbox

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versus just getting old hardware Anthony's wanted to do something like that for a long time dos gaming build

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constantly on the back burner still on my shelf this is a great chair because

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if i have to go to the bathroom i don't even have to move

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except i can fix that i didn't ask for that

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lttstore.com ltdstore.com

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13.8 milliseconds and look at the consistency

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that's the more impressive thing this isn't really changing at all like

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we're going from like 13 to 15 or 11 like that's within two or

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three milliseconds this this is nuts

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turn on uh either reflex plus boost or turn off low

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latency and see what happens all right let's try reflex plus boost

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okay this seems very similar yeah yeah it might be maybe a little bit

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more consistent it seems to more favor

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the 12 and a half 13.

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i don't know that may be placebo i think that's the

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kind of thing where if you can tell the difference you're an idiot

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yeah yeah it's pretty placebo i think at this

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high frame rate we're probably not going to notice a difference well why would cs

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go so much slower so you're saying fortnite was just already very optimized

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and all NVIDIA's done is add some branding to it uh it's probably that it actually just

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makes more sense at a lower frame rate right

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that's fair okay so let's turn rtx on that really does look a lot better and

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that's with all the other graphic settings on low yeah i know right

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you know you could make the argument i mean textures i would want to turn my

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texture quality up but other than that you could probably make the argument for

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just turning on ray tracing cranking almost everything else down

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and just enjoying that look at that soft lighting

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on his jacket that looks crazy good

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like that looks like the shade

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with a more cartoony game like this like the flatter look for textures and stuff

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actually looks fine yeah whoa

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that is way worse yes we're only at 200 FPS now

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so i guess that would be why but turning ray tracing on ain't gonna give

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you a competitive advantage that's for sure bud it's still consistent though

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and that's probably the most important thing i don't know i would take 10

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milliseconds over retracing would you take

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10 milliseconds over a more stable response time

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no but it was pretty stable at 10 millimeters it was stable before this

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this game seems ridiculously stable yeah uh try with rtx plus

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reflex see what that looks like it might make up the difference okay

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there we go oh wow it did actually make up for a lot

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of it yeah it's not quite where it was but it's like

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quite a bit better yeah that's pretty cool

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this experience with the product really doesn't make it any easier to recommend

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for or against it though on the one hand

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it's a 50 to 100 adder on your monitor

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that doesn't affect performance at all

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except that it can help you tune the

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performance of your system

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hold on guys you're not even going to talk about the coolest part come on the

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latest beta for GeForce experience gives you a whole bunch of performance metrics

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to gawk at check it out not only does it show you GPU performance stats and let

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you adjust power targets on the fly it also integrates directly with the NVIDIA

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reflex latency analyzer built into the display

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here's how it works up top we've got two stats that everyone should be able to

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get regardless of the display render present latency is how long it

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takes a frame to get from being rendered to being sent to the display while

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render latency is how long it takes to actually render the frame now if we turn

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on latency monitoring in our monitor's osd

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and wait a couple seconds

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bam check that out even more good stuff this is a list of all the latency

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information that the monitor is collecting we've got the exact location

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of the monitoring rectangle we've got the system plus display latency same as

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what the monitors osd shows us and if we've got a compatible mouse like this

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rotary shock RAM we've got mouse click and total system latency which is nearly

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as accurate if not just as accurate as ldap what does it mean for a mouse to be

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compatible with the reflex latency analyzer two things a validation

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database and firmware NVIDIA is compiling a list of average click

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latencies for existing mice in order to make as many of them compatible as

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possible but some mice are able to capture the exact moment a click is

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registered in firmware and transmit it to the display on each click NVIDIA is

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launching with support for the 30 most popular esports mice on prosettings.net

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with per click latency reporting supported on the rog chakra on the rog

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shock room core razer deathadder pro and steel series rival 3. so if you don't

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have one of the supported mice then you still get the GeForce experience performance overlay stats just without

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mouse latency added in to get accurate results at home you'll need to make sure

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that you get at least 20 samples of data like 20 clicks and try to find a dark

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background where a change in brightness will show up well muzzle flashes like

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that and anything else that's instant when you click should you nicely and that's

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it back to our regularly scheduled Linus

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i still prefer it as a standalone thing that you could carry forward with you to

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future monitors rather than built into it but i think the value of it from just

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a tuning and optimizing perspective is definitely there yeah i think it would

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actually make a lot more sense if you as the

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center of your ring of friends decide to count your monitor around and

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straight up optimize each one of their machines right for a little profit

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that that might actually or you could just be a good friend

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you know and help that center person buy it so

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they don't have to use it okay okay okay you've got an esports team you've got a

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bunch of these monitors but you only want to spend the extra money on one

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yeah that makes it so you go through and you set up all the different machines and they all have the same settings and

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you're good to go or one person buys this monitor post the results on reddit

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and then everyone just uses those same settings yeah hey there it is all right

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so one of you go ahead and buy it the rest of you just get the one without the

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extra module nonsense speaking of nonsense it's never nonsense

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