WEBVTT

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welcome back to the workshop set this is going to turn into a segment but I'll

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cover that in a moment first off right now today we're going to be looking at

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if really high wattage power supplies actually use more power than a power

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supply that's tuned for your computer that means power from the wall so what

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we have is a 450 W power supply a 750 W

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power supply a 1200 W power supply and a

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1,500 W power supply we're going to run our 5930k and a 980 TI through some

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stress tests using Ida 64 system stability test and furmark just to get

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the wattage up there and then test each power supply read the wattage from the

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wall figure out what's going on it's a very straightforward answer the question

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Style video and that's what the workshop is going to turn into I've been kind of

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grappling with what I wanted this to be over the last few videos that I've done

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in the workshop that being and you can check these out up here the where should

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case fans be or how many case fans do you need video and does your cable

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management actually affect your thermals throughout your face video there's going

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to be more of these there's already one on the schedule coming up soon if you guys have ones that you might want me to

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cover live testing things in front of you guys on the workshop set in the

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future hit me up on Twitter or comment in the the comment section down below my

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Twitter should be on screen but just in case it's @ lukor LFR I'd love to answer

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whatever crazy things you'd like me to try to figure out

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Intel brings ddr4 to the mainstream with their new core

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i76700k and core i56600k processors

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check out the link in the video description to learn more hello everyone

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this is future Luke uh this is Luke from further on in the video and I'm

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wondering right now if you guys would be interested in a little experiment

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there's going to be a straw pole link somewhere and I want you guys to vote

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before you see the rest of the video which power supply you think is going to

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win which one is going to use the least wattage from the wall to power this

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computer in this scenario let me know I'm interested what

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do you think so we're going to start off with the power supply that was already

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in this test rig this is my standard graphics card test rig this is way too

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much wattage potentially on the power supply so this is a little bit

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overshooting it so after that what I think I'm probably going to do is step

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it down a little bit go to the 750 then the 450 then do the 1500i after that

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we're going to wait few minutes just to make sure that the power stabilizes

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maybe 3 to 5 minutes and then we will read the power wattage reader from the

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wall That's plugged in back here so I

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decided to change what test we were using I went back to my old school tried

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andrue Crisis 3 Skybox test because using Ida 64's system stability test and

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furmark gave me variations of about 374

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to about 405 so I'm going to continue

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onwards this is 351 Plus orus 3 seems to

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be pretty accurate within that range next up is the 450 W power

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supply let's see it's it's within range

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I'm just wondering how much watts it's going to use how many watts it's going to use English wasn't supposed to be a

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troubleshooting video

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huh oh so the monitor's power was

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unplugged that almost freaked me out all right here we go time to load up Crisis

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3 again do the sky boox test get our second set

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of numbers so the variance on the 450 watt was

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364 plus or minus 4 so a little bit more

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of a variance window there and more wattage but there's another interesting

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thing to look at here when you step up in power supplies your 80 plus rating

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almost always goes up our 450 W power

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supply is bronze this next one I'm going to test the 750 W is gold the 1200i is

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platinum the 1500i is titanium 80 plus

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rating they're more efficient we'll get more into the efficiency talk a little

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bit later on but for now time to step up to the

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750 all right our tests with the v750 are done and the results were

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345 Watts plus or minus one that's our

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lowest wattage amount yet but not our highest 80 plus efficiency rating on the

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power supply because just the rating is not the only thing that matters let's

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try the 1500i that's it's the titanium

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rated 80 plus power supply just look at it it requires a

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proprietary cable it's all about efficiency curves

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we're probably not going to land on the right spot one of the cool things about

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these videos is if you watch it and you're like oh my goodness you did this

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one specific thing in a way that I don't

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think is right for this test cool tell me in the comments I'll

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do a video and we'll see if it matters

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this whole series is about like answering questions that people might

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have or exploring different things all

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right so our last power supply is installed the X1 1500i is set up and

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good to go if you guys thought I was rough on it check out one of these

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videos where we massively abuse Corsair ax power supplies it's not because we

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dislike them it's mainly cuz they can take it all right let's run our last Sky

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Box test so the 1500i came down to 340

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wat plus or minus 3 it won in terms of

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their positions the 450 watt was in last place then the 1200i then the 750 watt

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then the 1500 eye little bit confusing

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why you might ask it comes down to efficiency charts which is actually

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listed on all of these power supplies which is great cuz it makes it really

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easy for visuals the titanium rated 1500

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IE its peak efficiency on American plugs

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so 115 is at about

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94% for instance if we move down to that

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bronze rated one its peak efficiency on North American plugs is around

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85% it limits things it doesn't mean that you can't be very efficient on a

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say bronze rated power supply it just means that to be very efficient you're

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going to need to be right on The Sweet Spot of the curve and something like a

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titanium power supply you're pretty much always going to be pretty damn efficient

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but it will be better if you're at The Sweet Spot of the curve and then that 750 watt had a little bit of an

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irregular curve it was a little bit earlier on where it peaked where most of

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them were peaking right around 50% so

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efficiency matters 80 plus is a rating of efficiency but you want to know where

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you are on the curve that also matters find The Sweet Spot for the power supply

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that you're buying and try to make sure that you're in it to save money on your

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power bill but ultimately do higher wattage power supplies use more power no

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that no they don't crun roll is a site created by

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anime fans for anime fans they offer the most current episodes of new shows

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of which basically everyone has heard of and all of the content on their site is

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professionally subtitled head over to crunch.com Linus and you can sign up for

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a 30-day free trial of crunchy World premium with that you can enjoy the many

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benefits of Premium like ad free 1080p streaming getting new episodes straight

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or even potentially your game console and you can continue your premium

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membership to crunchy world for only $6.95 per month so head over to crunchy

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world.com Linus and check them out

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thanks for watching if you want to see more of these kind of videos where we just try to answer some question you

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guys may or may not have let me know in the comments down below what you want me

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to check out thanks for watching you can get a shirt Link in the description you

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can use our Amazon affiliate code to help us out by buying stuff you can be a

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contributor on the Forum you get a cool badge there's new Forum software it's

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also pretty cool you can have a cool badge on the cool software which is a

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cool Forum with cool people it's pretty all right you can click up here to see

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our previous video where we checked out

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uh how Cable Management affects your air flow looking at mine you might be able

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to figure out that it it maybe didn't matter a ton but I'd go watch it anyways

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cuz it's actually kind of funny