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Overclocking Recommendations - Low vs High Wattage Power Supplies

2015-04-19
there are tons of different ways you can grade a power supply rail set up overall wattage efficiency quality components etc today we'll be doing this as a thought experiment on the overabundance of wattage and will it help you overclock and if so by how much stay subscribe - tech tips to see a future episode on how to do cable lacing which will make your PC look pretty amazing the Coolermaster Nova touch tkl utilizes genuine toper hybrid capacitive switches and is now available at a more affordable price click now to learn more to perform set thought experiment we will be using i-264 stress test functionality to push the CPU and fir mark to push the GPU these programs should ensure that we have quite a bit of power generation from the various parts on our test bench these these programs to push our components as much as we can using each power supply in order to try to find that power supply's limit in a sense and to see if having more wattage will directly result in higher overclocks or if the spacing between power supplies is high enough that getting a power supply that can support your system will also just naturally support an overclock for the test bench itself we have an Asus x99 deluxe with a 59 60 X sitting comfortably in its socket the 59 60 X will run in a range of three 3.14 four point one gigahertz and stock at stock voltages and then 4.5 gigahertz at one point three five volts for graphics cards I'll be using the HD 7770 and r7 265 and r9 270x a GTX 770 at GTX Titan x + dual GTX Titan X's these cards will be running at varying stock speeds and varying overclocked speeds and we'll be discussing how each power supply performed with them but you can see their overclock speeds in the dock down below just in case they're maxed overclock speeds we're going to start off with a really low wattage power supply a 300 watt sfx power supply from silverstone as far as i'm concerned this is the little power supply that could the first set up we tried on it was maxing out our HD 7770 and our 59 60 X which was somehow able to do seriously this thing is rated at 300 watts what was somehow comfortably pulling 375 watts from the wall it even took an r7 265 in stride maxing it out but starting to fail when we clocked the CPU above 4 gigahertz with the GPU maxed out in the CPU at 4 gigahertz it was pulling about 360 watts from the wall again comfortably with the 270 exit was able to hit 12:45 core clock which isn't quite our max overclock but it did do this while pulling 320 watts from the wall as well for the card when when we tried to increase clock speeds on the CPU above stock they kind of crashed which was kind of unfortunate which ends the epic run of this power supply as it didn't manage to boot a 770 or Titan which is fine next up we have the bigger older brother to our previous legendary SFX power supply this Silverstone 450 watt SFX 80 plus gold fine up till 270 X which it did manage to boot with and was able to get a max overclock from the 270 X but I was unable to get anything stable from the CPU other than just stock just for fun we have tastic 450 watt power supply from my scrapyard Wars machine with the HD 7770 we were able to max out the GPU and overclock the CPU to 3.1 gigahertz without any crashes this resulted in a pull of 295 Watts from the wall also something to note is that this power supply started to stink quite badly when we pushed it concerning at the least but as the band suicide silence or even Drake would like to say Yolo I was able to max out the r7 265 and yet again was only able to get the CPU to 3.1 gigahertz which total the total of 320 watts from the wall this is where things went downhill for the poor little power supply however it refused to boot with the 270x installed and actually never booted again on any setup including ones that I had previously tested verified working after that our IP you crappy little power supply our IP jumping up 100 watts we had to be quiet 550 watt 80 plus gold power supply this guy was able to max out everything until the Titan X setups which it was able to do quite well actually it was able to support a maximum clock on the Titan X but only 3.1 gigahertz on the CPU while pulling a total of five hundred and sixty watts from the wall another 100 watts more brings us to the 650 watt cooler master some power supply this guy was totally happy to run everything maxed out and up to and including a single GTX Titan X which it did while pulling 580 watts from the wall it was able to boot a stock GPU settings dual Titan X setup and it was I'm fine until we put it under load where it unfortunately but expectedly crashed after a minute or two while pulling 680 watts from the wall for a few minutes the corsair ax 850 watt power supply is up next with an additional 200 watts of power this power supply is able to crank every setup to the max but just barely throttle back on the max settings for dual Titan setup resulting in a pretty solid clock but not as high as I might have hoped at a little any bit C step up we have the antique high current gamer 900 watt power supply which was able to run everything at full without much trouble but hit 875 Watts from the wall while running dual Titan X is fully overclocked and while running the 59 60 X fully overclocked as well cutting it a little close on that one but being okay overall last but not least we have our ludicrous level power supply the 1200 watt corsair ax 1200 i 80-plus platinum which as you probably guessed it ran everything totally fine and as everything was already maxed out it didn't have any overclocking benefits to give now that was a lot of testing and in conclusion we have I think a fairly expected answer more wattage will help you get a higher overclock if your system is throttling or crashing due to a lack of wattage but a massive overabundance of wattage won't actually have an effect on what potential clock speeds you're able to obtain if you're already hitting your maximum overclocks anyways is this many more to this discussion of what power supplied by definitely efficiency is a big one and while this video was interesting running your power supply at Full Tilt all the time is probably not the best idea ever but that will have to wait for another time speaking of settings I'm excited to announce a very special drop on mass drop today they're featuring the vortex Poker 3 a keyboard that I think is absolutely gorgeous it still has the Cherry MX switches and pbt key caps that we saw on the previous poker - but vortex has steps their game up pretty significantly on the poco 3 by utilizing a much higher quality metal case and including more programming capabilities than we saw on the poker - the drop is already unlocked its lowest price possible on mass drop because of how ridiculously awesome it is in my opinion and is currently available for one hundred and five US dollars a pretty significant discount off of the MSRP the drop will be live at the drop dot link in the video description for about eleven more days but if you want to pick up one for free we're actually hosting a giveaway on the forum for this unit that we have in the office right here for the next seven days for details they'll be available in the link in the description which is the Linus tech tips link are there any other thought experiment videos you guys would like me to try out let me know in the comments down below or over on the forum while you hear like dislike favorite subscribe share follow comment go to the description find a shirt link for not this one I know I wear this shirt a lot but still can't get it but you can get one of our funny shirts so that's kind of cool over on the forum you can see the support us link where you can do things like changing your Amazon affiliate codes checking out our merch seeing our other sponsors installing the lightest tech tips notifier plug-ins for your browsers so that you can get your arms on affiliate code automatically 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