this reflex equipped monitor just has the tool built into it for measuring
in-game latency
remember this thing ba-bam a photo sensor
i remember and i also remember asking NVIDIA oh so nicely to release it to the
public and while that might not be quite what we've got here today what we do
have is a display that has very similar
functionality built right into it yes my friends
this gaming monitor has a function that will tell you the exact delay between
when you click the mouse and the photons actually hit your eyes
so we thought wow that's pretty cool
why don't we use it then to see which in-game settings have the biggest impact
on our gaming experience and we're also going to see the impact of our sponsor
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an NVIDIA reflex display like our ASUS pg259 qnr does exactly what i said in
the intro it measures the latency from the click to the frame actually reaching
the display and the muzzle flash actually going
critically what it doesn't do is measure the display's latency which is why we're
still calling on NVIDIA to release the ldap as well
but before we dive in let's go over how this works
on the back of the display are usb ports now you might think oh well this is just
a usb hub like on the non-reflex model of this exact monitor that you guys
checked out a while ago and you would be right except that if
you plug a supported mouse into it then plug the display's usb output into
your pc like we've done right here the display will recognize precisely when
the mouse button is clicked in theory before the pc even receives the signal
it then measures the time between detecting the click and a change that it
monitors on screen pretty straightforward so far but how do
we tell the monitor where to look will it just monitor the entire image and use
like ai to tell if something relevant changes
i mean yeah it's NVIDIA so that's not even impossible to believe in the future
but for now it's a little bit simpler what we do is go into the on-screen
display and then we can tell it hey
turn on the monitoring rectangle
now this is already right but let's go ahead and have a look at some of the
other options that are in here you can see you can try a couple of the presets
centered right handed left-handed according to you know where you might expect your gun or especially a muzzle
flash to be you can change the size
make it bigger or smaller and you can also adjust the sensitivity once it's
tuned every time we pull the trigger on our firearm or click the mouse we're
gonna see a little millisecond readout in the bottom corner or if it's having
trouble figuring out what it's looking at it'll just show a bunch of x's so
let's dive in and see what our starting latency looks like here we are running
at 640 by 480 i mean i guess
did we want to start at a best-case scenario for latency or worst case well
i guess this is pretty best case all right so what are we looking at here
then there's there's a lot of fluctuation and that's normal
21 milliseconds from click to seeing something happen that's insane 23. like
that's from click to for like all the processing and everything that's less
than a frame at 60 frames per second for something to happen on screen that's
ridiculous like it doesn't sound like it's that fast but it is it's really
fast if you're moving then uh the different shapes of the muzzle flash
especially if you're like firing really rapidly yeah can cause it to
misread i think all right what do you want to do next
uh we could bump the resolution sure let's bump the rest 22 16.
16. that's like
a frame at 60 hertz but like
the whole chain so games that have NVIDIA reflex
technology actually have in engine optimizations to bring this time down
but this reflex equipped monitor just
has the tool built into it for measuring in game latency
we also don't have ultra low latency enabled in the driver either really
this is just stock settings in the driver yeah okay yeah let's do it that
maximum performance i would not pay extra to have this
feature in my monitor neither would i i might
would you why you could just like uh especially
yeah i don't have one of those liners right that's fair but they should just
do this for 50 bucks and then you have something you can carry forward with you okay the problem though is that for this
to work you actually do need to like
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
that and then you dial it in and then you use your regular mouse 24 30 37 30
26 24 31 19 21
25 24. these kinds of fluctuations are actually really normal like you wouldn't
normally see them or feel them right because like all of this kind of stuff
is just like happening in the background and by the time it updates to the screen
the screen is basically doing something else your eyes are living in the past
more or less your eyes are living in the past Anthony 2020 next we need to figure
out how to minimize brain lag who throws an incendiary grenade look at me i got
fireproof feet i got sandals on bro okay you know what let's see how bad we can
make it not helping matters right now or rather helping them is the fact that
counter-strike is an esports title and has received significant optimization in
this way now you can play games where you can really feel that there's a lot
more engine lag even if you haven't changed anything else your graphics card
mouse monitor etc i could turn off a and see what happens that's always something
that has been a perceived difference for me is that turning on really high levels
of anti-aliasing can make some games feel really mushy yeah hold on a second
though does that look like a little bit less spikiness
maybe yeah looks like it's hovering between the 20 to 30 range right now
17 29 25. like i don't think i've seen anything
significantly higher than 30 yet whereas before we were spiking as high
as like 40-ish yeah
interesting okay maybe anti-aliasing is still bad by like
a few milliseconds hey look when you want every competitive edge i mean that
is NVIDIA's marketing for this this is almost definitely a little bit better
not you might feel only because i can look at the numbers Anthony i cannot
feel the difference between those i was going to say like no no no no no when
did you join the esports leagues yeah exactly right we could try a lower
refresh rate um i don't know how
much you care about that considering if you're buying a 360 hertz monitor are
you going to lower the refresh rate no not unless you're an idiot
so well with that said i don't think it supports ulmb at 360 hertz uh
maybe not 240 only oh there we go it's a
nice dim nice dim look for the display
look i'm not saying i'm a ulmb hater david i'm just saying it's worse and you
should feel that it's all about dyc bro if you're in a dim room a dim display
doesn't matter that may be true but i try to not be my
old gamer handle you know closet gamer i put my whole computer and
monitor in my closet okay so let's have a let's have a looky-loo here
oh yeah it's worse that that is worse it's definitely worse you are officially
objectively worse david yeah
get good scrub yeah not that i would want to play you but
whatever 66 i mean we never saw anything even close to that lower hurts
definitely more worse okay confirmed what's our next project that's that's
actually kind of crazy given that it's 240 versus 360.
like 360 only just became a thing i know right right
big difference it does somehow
oh i know you're getting one of these i'm going on the record right now if a
480 hertz monitor doesn't come out in the next year david will own a 360 hertz
monitor now let's play around with the title that actually has NVIDIA reflex
so NVIDIA reflects low latency we're going to on plus boost i have no idea
what that does okay let's just go on let's go vanilla on we're not going to
use deep learning super sampling we're just going to
run at low and then we're going to try cranking it to high
fortnite oh gee i don't know Linus i have no idea
what you're talking about fortnite how about that one
disgraceful i could probably write a better search
than this fun fact speaking of dos i actually set
up an emulator for a pentium one 200
megahertz with mmx the reason for it is i brought home the hot wheels pc and i
was like oh this sucks doesn't it my kids were like these games are great
oh okay yeah i guess content's still king by the way stay subscribed because
maybe we'll do a video about that emulated old pc versus using dosbox
versus just getting old hardware Anthony's wanted to do something like that for a long time dos gaming build
constantly on the back burner still on my shelf this is a great chair because
if i have to go to the bathroom i don't even have to move
except i can fix that i didn't ask for that
lttstore.com ltdstore.com
13.8 milliseconds and look at the consistency
that's the more impressive thing this isn't really changing at all like
we're going from like 13 to 15 or 11 like that's within two or
three milliseconds this this is nuts
turn on uh either reflex plus boost or turn off low
latency and see what happens all right let's try reflex plus boost
okay this seems very similar yeah yeah it might be maybe a little bit
more consistent it seems to more favor
the 12 and a half 13.
i don't know that may be placebo i think that's the
kind of thing where if you can tell the difference you're an idiot
yeah yeah it's pretty placebo i think at this
high frame rate we're probably not going to notice a difference well why would cs
go so much slower so you're saying fortnite was just already very optimized
and all NVIDIA's done is add some branding to it uh it's probably that it actually just
makes more sense at a lower frame rate right
that's fair okay so let's turn rtx on that really does look a lot better and
that's with all the other graphic settings on low yeah i know right
you know you could make the argument i mean textures i would want to turn my
texture quality up but other than that you could probably make the argument for
just turning on ray tracing cranking almost everything else down
and just enjoying that look at that soft lighting
on his jacket that looks crazy good
like that looks like the shade
with a more cartoony game like this like the flatter look for textures and stuff
actually looks fine yeah whoa
that is way worse yes we're only at 200 FPS now
so i guess that would be why but turning ray tracing on ain't gonna give
you a competitive advantage that's for sure bud it's still consistent though
and that's probably the most important thing i don't know i would take 10
milliseconds over retracing would you take
10 milliseconds over a more stable response time
no but it was pretty stable at 10 millimeters it was stable before this
this game seems ridiculously stable yeah uh try with rtx plus
reflex see what that looks like it might make up the difference okay
there we go oh wow it did actually make up for a lot
of it yeah it's not quite where it was but it's like
quite a bit better yeah that's pretty cool
this experience with the product really doesn't make it any easier to recommend
for or against it though on the one hand
it's a 50 to 100 adder on your monitor
that doesn't affect performance at all
except that it can help you tune the
performance of your system
hold on guys you're not even going to talk about the coolest part come on the
latest beta for GeForce experience gives you a whole bunch of performance metrics
to gawk at check it out not only does it show you GPU performance stats and let
you adjust power targets on the fly it also integrates directly with the NVIDIA
reflex latency analyzer built into the display
here's how it works up top we've got two stats that everyone should be able to
get regardless of the display render present latency is how long it
takes a frame to get from being rendered to being sent to the display while
render latency is how long it takes to actually render the frame now if we turn
on latency monitoring in our monitor's osd
and wait a couple seconds
bam check that out even more good stuff this is a list of all the latency
information that the monitor is collecting we've got the exact location
of the monitoring rectangle we've got the system plus display latency same as
what the monitors osd shows us and if we've got a compatible mouse like this
rotary shock RAM we've got mouse click and total system latency which is nearly
as accurate if not just as accurate as ldap what does it mean for a mouse to be
compatible with the reflex latency analyzer two things a validation
database and firmware NVIDIA is compiling a list of average click
latencies for existing mice in order to make as many of them compatible as
possible but some mice are able to capture the exact moment a click is
registered in firmware and transmit it to the display on each click NVIDIA is
launching with support for the 30 most popular esports mice on prosettings.net
with per click latency reporting supported on the rog chakra on the rog
shock room core razer deathadder pro and steel series rival 3. so if you don't
have one of the supported mice then you still get the GeForce experience performance overlay stats just without
mouse latency added in to get accurate results at home you'll need to make sure
that you get at least 20 samples of data like 20 clicks and try to find a dark
background where a change in brightness will show up well muzzle flashes like
that and anything else that's instant when you click should you nicely and that's
it back to our regularly scheduled Linus
i still prefer it as a standalone thing that you could carry forward with you to
future monitors rather than built into it but i think the value of it from just
a tuning and optimizing perspective is definitely there yeah i think it would
actually make a lot more sense if you as the
center of your ring of friends decide to count your monitor around and
straight up optimize each one of their machines right for a little profit
that that might actually or you could just be a good friend
you know and help that center person buy it so
they don't have to use it okay okay okay you've got an esports team you've got a
bunch of these monitors but you only want to spend the extra money on one
yeah that makes it so you go through and you set up all the different machines and they all have the same settings and
you're good to go or one person buys this monitor post the results on reddit
and then everyone just uses those same settings yeah hey there it is all right
so one of you go ahead and buy it the rest of you just get the one without the
extra module nonsense speaking of nonsense it's never nonsense
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