WEBVTT 00:00:00.480 --> 00:00:06.640 There are tons of different ways you can grade a power supply. Rail setup, 00:00:04.319 --> 00:00:12.000 overall wattage, efficiency, quality, components, etc. Today, we'll be doing 00:00:09.360 --> 00:00:17.039 it this as a thought experiment on the overabundance of wattage, and will it 00:00:14.639 --> 00:00:21.039 help you overclock, and if so, by how much? Stay subscribed to Linus Tech Tips 00:00:18.960 --> 00:00:26.920 to see a future episode on how to do cable lacing, which will make your PC 00:00:23.359 --> 00:00:26.920 look pretty amazing. 00:00:33.600 --> 00:00:39.680 The Cooler Master Novatouch TL utilizes genuine Toper hybrid capacitive switches 00:00:38.160 --> 00:00:44.239 and is now available at a more affordable price. Click now to learn 00:00:41.600 --> 00:00:47.840 more. To perform said thought experiment, we will be using IDA 64's 00:00:46.160 --> 00:00:52.399 stress test functionality to push the CPU and Firmark to push the GPU. These 00:00:50.719 --> 00:00:56.239 programs should ensure that we have quite a bit of power generation from the 00:00:54.399 --> 00:01:00.800 various parts on our test bench. We use these programs to push our components as 00:00:58.079 --> 00:01:05.920 much as we can using each power supply in order to try to find that power 00:01:02.960 --> 00:01:10.560 supplies limit in a sense and to see if having more wattage will directly result 00:01:08.080 --> 00:01:14.400 in higher overclocks or if the spacing between power supplies is high enough 00:01:12.400 --> 00:01:18.320 that getting a power supply that can support your system will also just 00:01:16.320 --> 00:01:23.280 naturally support an overclock. For the test bench itself, we have an ASUS X99 00:01:20.560 --> 00:01:30.720 Deluxe with a 5960X sitting comfortably in its socket. The 5960X will run in a 00:01:26.080 --> 00:01:34.000 range of 3, 3.1, 4, 4.1 GHz, and stock 00:01:30.720 --> 00:01:36.479 at stock voltages, and then 4.5 GHz at 00:01:34.000 --> 00:01:43.119 1.35 volts. For graphics cards, I will be using an HD770, 00:01:38.479 --> 00:01:45.840 an R7265, an R927X, a GTX 770, a GTX 00:01:43.119 --> 00:01:50.720 Titan X, and dual GTX Titan X's. These cards will be running at varying stock 00:01:47.600 --> 00:01:52.159 speeds and varying overclock speeds. And 00:01:50.720 --> 00:01:55.600 we'll be discussing how each power supply performed with them, but you can 00:01:53.920 --> 00:01:58.640 see their overclock speeds in the dock down below just in case. They're maxed 00:01:57.119 --> 00:02:03.360 overclock speeds. We're going to start off with a really low wattage power 00:02:00.399 --> 00:02:08.080 supply. A 300 W SFX power supply from Silverstone. As far as I'm concerned, 00:02:05.680 --> 00:02:12.400 this is the little power supply that could. The first setup we tried on it 00:02:10.080 --> 00:02:18.080 was maxing out our HD 7770 and our 5960X, which it was somehow able to do. 00:02:16.239 --> 00:02:23.599 Seriously, this thing is rated at 300 watts, but was somehow comfortably 00:02:20.080 --> 00:02:27.200 pulling 375 watts from the wall. It even 00:02:23.599 --> 00:02:28.879 took an R7265 in stride, maxing it out, 00:02:27.200 --> 00:02:34.480 but starting to fail when we clocked the CPU above 4 GHz. With the GPU maxed out 00:02:32.080 --> 00:02:39.280 and the CPU at 4 GHz, it was pulling about 360 W from the wall again 00:02:37.120 --> 00:02:43.920 comfortably. With the 270X, it was able to hit 1245 core clock, which isn't 00:02:41.680 --> 00:02:49.040 quite our max overclock, but it did do this while pulling 320 watts from the 00:02:45.920 --> 00:02:50.720 wall as well for the card. When we when 00:02:49.040 --> 00:02:55.440 we tried to increase clock speeds on the CPU above stock, the kind of crashed, 00:02:54.000 --> 00:03:00.239 which was kind of unfortunate, which ends the epic run of this power supply 00:02:57.840 --> 00:03:03.760 as it didn't manage to boot a 770 or Titan, which is fine. Next up, we have 00:03:02.159 --> 00:03:09.920 the bigger, older brother to our previous legendary SFX power supply, the 00:03:06.319 --> 00:03:12.480 Silverstone 450 watt SFX 80 Plus Gold. 00:03:09.920 --> 00:03:17.280 Fine up till 270X, which it did manage to boot with and was able to get a max 00:03:15.120 --> 00:03:21.360 overclock from the 270X, but I was unable to get anything stable from the 00:03:19.200 --> 00:03:27.280 CPU other than just stock. Just for fun, we have 450 W power supply from my 00:03:24.800 --> 00:03:32.799 Scrapyard Wars machine. Uh, with the HD770, we were able to max out the GPU 00:03:30.000 --> 00:03:37.920 and overclock the CPU to 3.1 GHz without any crashes. This resulted in a pull of 00:03:35.120 --> 00:03:41.760 295 watts from the wall. Also, something to note is that this power supply 00:03:39.599 --> 00:03:46.239 started to stink quite badly when we pushed it. Concerning at the least, but 00:03:44.400 --> 00:03:51.360 as the band Suicide Silence, or even Drake would like to say, yolo. I was 00:03:48.879 --> 00:03:58.000 able to max out the R seven265 and yet again was only able to get the CPU to 00:03:53.680 --> 00:03:59.840 3.1 GHz which totaled a total of 320 00:03:58.000 --> 00:04:03.280 watts from the wall. This is where things went downhill for the poor little 00:04:01.680 --> 00:04:07.360 power supply. However, it refused to boot with the 270X installed and 00:04:05.200 --> 00:04:11.120 actually never booted again on any setup, including ones that I had 00:04:09.200 --> 00:04:17.040 previously tested verified working after that. RIP, you crappy little power 00:04:13.760 --> 00:04:20.320 supply. RIP. Jumping up 100 watts, we 00:04:17.040 --> 00:04:22.320 have the B Quiet 550 watt 80 plus gold 00:04:20.320 --> 00:04:26.800 power supply. This guy was able to max out everything until the Titan X setups, 00:04:25.040 --> 00:04:30.800 which it was able to do quite well, actually. It was able to support a 00:04:28.479 --> 00:04:37.360 maximum overclock on the Titan X, but only 3.1 GHz on the CPU while pulling a 00:04:34.560 --> 00:04:42.880 total of 560 watts from the wall. Another 100 watts more brings us to the 00:04:39.520 --> 00:04:44.720 650 W Cooler Master power supply. This 00:04:42.880 --> 00:04:49.840 guy was totally happy to run everything maxed out and up to and including a 00:04:47.440 --> 00:04:56.320 single GTX Titan X, which it did while pulling 580 W from the wall. It was able 00:04:52.720 --> 00:04:59.680 to boot a stock GPU settings dual Titan 00:04:56.320 --> 00:05:01.680 X setup and it was kind of fine until we 00:04:59.680 --> 00:05:07.120 put it under load where it unfortunately but expectedly crashed after a minute or 00:05:04.560 --> 00:05:12.639 two while pulling 680 watts from the wall for a few minutes. The Corsair AX 00:05:10.000 --> 00:05:16.000 850 W power supply is up next with an additional 200 watts of power. This 00:05:14.560 --> 00:05:19.759 power supply is able to crank every setup to the max, but just barely 00:05:18.160 --> 00:05:25.039 throttle back on the max settings for dual Titan setup, resulting in a pretty 00:05:22.639 --> 00:05:29.520 solid clock, but not as high as I might have hoped. At a little itty bittsy step 00:05:27.759 --> 00:05:33.840 up, we have the Anttech High Current Gamer 900 watt power supply, which was 00:05:32.000 --> 00:05:39.199 able to run everything at full without much trouble, but hit 875 watts from the 00:05:36.880 --> 00:05:44.560 wall while running dual Titan X's fully overclocked and while running the 5960X 00:05:41.759 --> 00:05:48.639 fully overclocked as well. Cutting it a little close on that one, but being okay 00:05:46.880 --> 00:05:54.000 overall. Last but not least, we have our ludicrous level power supply, the 1200 00:05:51.280 --> 00:05:58.960 watt Corsair AX1200i 80 plus platinum, which as you probably 00:05:56.639 --> 00:06:03.680 guessed it, ran everything totally fine. And as everything was already maxed out, 00:06:01.600 --> 00:06:08.560 it didn't have any overclocking benefits to give. Now, that was a lot of testing, 00:06:06.639 --> 00:06:12.160 and in conclusion, we have, I think, a fairly expected answer. More wattage 00:06:10.479 --> 00:06:16.880 will help you get a higher overclock if your system is throttling or crashing 00:06:13.840 --> 00:06:19.360 due to a lack of wattage. But a massive 00:06:16.880 --> 00:06:24.400 overabundance of wattage won't actually have an effect on what potential clock 00:06:21.360 --> 00:06:26.240 speeds you're able to obtain if you're 00:06:24.400 --> 00:06:31.039 already hitting your maximum overclocks. Anyways, is this any more to this 00:06:29.120 --> 00:06:34.639 discussion of what power supply to buy? Definitely. Efficiency is a big one. And 00:06:33.120 --> 00:06:38.800 while this video was interesting, running your power supply at full tilt 00:06:36.479 --> 00:06:44.080 all the time is probably not the best idea ever. But that will have to wait 00:06:41.280 --> 00:06:48.080 for another time. Speaking of settings, I'm excited to announce a very special 00:06:45.919 --> 00:06:54.000 drop on Massdrop today. They're featuring the Vortex Poker 3, a keyboard 00:06:50.800 --> 00:06:56.240 that I think is absolutely gorgeous. It 00:06:54.000 --> 00:07:00.319 still has the Cherry MX switches and PBT key caps that we saw on the previous 00:06:58.080 --> 00:07:04.400 Poker 2, but Vortex has stepped their game up pretty significantly on the 00:07:01.759 --> 00:07:08.560 Poker 3 by utilizing a much higher quality metal case and including more 00:07:06.639 --> 00:07:13.199 programming capabilities than we saw on the Poker 2. The drop has already 00:07:10.639 --> 00:07:17.199 unlocked its lowest price possible on Massdrop because of how ridiculously 00:07:15.039 --> 00:07:22.160 awesome it is in my opinion and is currently available for $15, 00:07:20.319 --> 00:07:29.120 a pretty significant discount off of the MSRP. The drop will be live at the drop 00:07:26.400 --> 00:07:33.280 link in the video description for about 11 more days. But if you want to pick up 00:07:31.039 --> 00:07:37.520 one for free, we're actually hosting a giveaway on the forum for this unit that 00:07:35.039 --> 00:07:41.039 we have in the office right here for the next 7 days. for details. They'll be 00:07:39.919 --> 00:07:46.560 available in the link in the description, which is the Lionus Tech Tips link. Are there any other thought 00:07:44.960 --> 00:07:49.599 experiment videos you guys would like me to try out? Let me know in the comments 00:07:48.000 --> 00:07:54.879 down below or over on the forum. While you're here, like, dislike, favorite, 00:07:51.360 --> 00:07:56.879 subscribe, share, follow, comment, go to 00:07:54.879 --> 00:08:01.280 the description, find a shirt link for not this one. I know I wear this shirt a 00:07:58.720 --> 00:08:03.919 lot, but still can't get it, but you can get one of our funny shirts. So, that's 00:08:02.639 --> 00:08:09.599 kind of cool. Over on the forum, you can see the support us link where you can do things like changing your Amazon 00:08:06.639 --> 00:08:13.360 affiliate codes. um checking out our merch, seeing our other sponsors, 00:08:11.520 --> 00:08:17.120 installing the Linus Tech Tips notifier plugins for your browsers so that you 00:08:15.199 --> 00:08:20.160 can get uh your Amazon affiliate codes automatically changed for you, or even 00:08:18.639 --> 00:08:25.570 becoming a contributor to the forum because it all helps out. Thank you guys 00:08:22.560 --> 00:08:35.779 for watching and I'll see you next time.