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How Much Faster is an Overclocked System?

2017-01-17
what's up guys welcome back to the channel today we are doing some overclocking yes that's right the age-old topic that's been discussed and exhausted through and through but we're going to talk about it again today there's a couple of reasons why first of which is because I'm just curious to see how good this freakin video card is at overclocking and how fast it is really this is the galaxy gtx 1070 this is their EXO c or extreme overclock which is very hard to get in the u.s. actually i was only able to go to the gallic store I had to go there and purchase it and have it shipped all the way from China or Taiwan or wherever it comes from so it's not a very talked about card however it is gorgeous it's completely stunning and it's supposed to be a pretty damn fast GPU in terms of gtx 1070 speech so today we're going to be overclocking that as well as the core i5 6600 k that's in the bill that we have here of course this looks a little bit familiar this is December's PC of the month the epic RGB build and yes that was the best name I could come up with at the time I am sorry but the other reason why I want to talk about overclocking and how it impacts frame rates in terms of gaming performance is because there probably a couple of you guys out there who are relatively new to PC building or new to overclocking in general that might still be on the fence of whether or not to go ahead and manually tweak these settings in your system or your BIOS in order to crank up the frequencies on your various components so hopefully by the end of this video you guys will feel a little bit less intimidated by overclocking while seeing what kind of performance gains it offers at no extra cost to you now while I'm not touting this video as a guide or tutorial by any means it should help you guys understand just how easy it is to overclock your system while also understanding its impact on gaming performance that said before we dive in just a quick little tiny disclaimer make sure you understand what you're getting yourself into the risks involved with overclocking and how overclocking a component in your system might affect your warranty with the manufacturer every manufacturer is different and there's a number of components from different companies that can be overclocked but they each have their own set of terms of agreement and operating standards so make sure that you do your research before actually diving in and tweaking anything yourself so make sure you avoid voiding things that you don't want voided on that know let's go ahead and take a quick look at the specs for rocket here in the RGB they'll go ahead and watch that video by the way if you haven't yet we're rocking and s340 elites from NZXT that is the chassis all of this hardware is laid inside of we've also got an asus z170 deluxe motherboard rockin the core i 6 Wow Core i5 6600 K on the skylake platform that's being cooled by a kraken X 50 to 240 millimeter liquid AIO additionally we've got 16 gigs of Corsair Vengeance LED Ram at 3000 megahertz a 1 terabyte crucial MX 200 SSD with Windows 10 and all of our applications loaded up on there and we've also got I believe a 509 in 850 watt power supply don't quote me on that there's a power supply route so I can't see it but at the end of the day it doesn't matter it's a power supply who cares so let's go ahead and reboot the system we're going to boot into the BIOS this time I'm going to give you guys a quick little glimpse at my overclock settings for our 6600 K in there alright or in the BIOS no we're going to go ahead and jump into Advanced Mode again this is the BIOS on the AC so z170 deluxe motherboards so we're dealing with an ACC UEFI very nice little BIOS we're going to go into AI Tweaker so we're going to go ahead and head over to the CPU core ratio which is by default set to auto we're going to go ahead and switch that to sync all cores and that essentially applies the same multiplier to all four of our course which is exactly what we want we want our frequency to run on all four of these cores not just one of them so you can see here I've already done some dabbling I dialed in 47 for our multiplier and if we go up here in the top left it shows us what our target frequency is once we boot into the operating system so right now with a B clock frequency of 100 and a multiplier of 47 our target frequency is forty-seven hundred megahertz or 4.1 RF I'm sorry 4.7 gigahertz then we're going to have to change the voltage as well now our CPU core voltage is by default set to auto we're going to switch that to manual and you can see I've already got dialed in one point four volts here which is the minimum voltage that I found necessary in order to run this chip at 4.7 gigahertz stabili anything less than that and there is a little bit of instability in certain applications not all of them and I'm sure depending on the CPU the 6600 K that you have on hand you might be able to get away with more or you might not fare as well depending on the ASIC quality of that particular chip which we'll talk about a little bit more later now some to bear in mind with manual mode is that whatever voltage you set in here will on 100% of the time it doesn't matter if your CPU is under load or if it's idling it will run at one point four three volts 24/7 and that introduces unnecessary heat into your system and there's no real reason why you need to run at this voltage all the time so what I would suggest to you guys at home is actually go with offset mode and what that does it allows your voltage to scale dynamically with whatever your CPU frequency is so as soon as you go from loads to idle it'll actually scale down and roll back your frequency as well as your voltage in order to keep things a little bit cooler and more reasonable in terms of the voltage that's being sent to your CPU while configuring your voltage with offset mode can be a little tricky at first there's plenty of guides and tutorials on how exactly to do that but for the purpose of this video just to keep things simple so we can jump right in we're going to stick to manual mode at 1.43 volts we're going to go ahead and save our settings into the OS and run a quick little stability test so here's a look at our CPU running prime95 and just a quick disclaimer if you are going to be stress testing with p95 I would suggest using a version that's 26.6 or earlier because anything after that is known to produce just extreme extremely high and unrealistic temperatures for for reasons that go beyond my head right now that I can't really remember but I would have liked to use 86 before but my free trial ran out and I'm too cheap to buy a license anyway cpu-z right here forty-seven hundred megahertz right where our target core clock was supposed to be that's looking good and our core voltage has gone up to one point four four bolts actually again this is a high voltage for you to be running at 24/7 but for the purpose of this video that'll do just fine so I think on that notes we've been running this for about five to ten minutes now it's looking pretty stable I think we're safe to go ahead shut this down at least stop the test here and start overclocking our gtx 1070 alright so i've got the image in heaven-- 4.0 running in the background here and we've got msi afterburner open as well as GPU v and just a little background a little context on the galaxy CX 1070 that we're dealing with here today it actually has a boost clock out of the box it is factory overclocked with a boost clock of 1700 and 83 which is about a hundred megahertz higher already than the reference stock speeds of the gtx 1070 but you can see here due to GPU boost 3.0 we're actually seeing a boost clock of 1923 which is significantly more then what the out-of-the-box spec says simply because we are well within our power and temperature limits that we can set manually so I'm going to crank these to 100 just so we can continue getting the most out of our boost clock there and then we're going to we're not going to touch voltage for this video that's for topic for another video we are going to go ahead and tweak our CPU core clock here so our GPU core clock I should say I already set this to 130 I believe and that seems stable that's anything more than that I was started starting to artifact and actually crashing out and also 375 I believe was the no no 360 360 I can just type this in 360 megahertz on the memory clock was the highest clock there that I was able to achieve fan speed on auto we're going to go ahead and save that you're going to see our boost clock jump up from 1923 to hopefully something more impressive than what you see here did I applied that correctly boom alright there it is so now we're running at just over 2 gigahertz on the GPU core clock and twenty one hundred and eighty one point six megahertz on the memory clock the GPU temp is also going to go up a little bit just because we are running the card a little bit faster now but still seventy-six degrees Celsius up seventy-seven oh boy getting warmer that's still relatively safe operating temperatures again this is just to see how far we can take this and it looks like Unigine Heaven 4.0 is still running just fine I don't see any artifacting from too high of a memory clock or anything like that so I think at this point we have our CPU and our GPU clock are over clocks running stable they are set and I think we should just run some benchmarks comparing results with the fully stock version of this of the system versus the over clocks that we've just put into place right here and we're going to go ahead and circle back talk about the results and close this video out with some closing words and conclusions so in that notes let's fire up the benchmarks and see how our frame rates were affected by our over clocks alright so there you guys have the numbers and clearly every single game that we tested saw some kind of benefit from simply overclocking our system obviously some games benefited more than others but at the end of the day there was still a positive percentage increase in terms of our average frame rate the overall average percentage increase across all six of those applications was seven point six percent so we saw a seven point six overall seven over between seven and eight percent of an increase just from simply tweaking our clock speeds here now while that's all fun and dandy something to be aware of is that your mileage when overclocking may vary depending on a number of factors the first of which is ASIC quality so not all chips are created equal some chips whether it be CPU or GPU overclock better than others and that's why you see companies like EVGA for example with their lot with the last generation of Nvidia cards we're selling the kingpin editions of their graphics cards I believe that was the gtx 980ti that they were doing that with but the kingpin editions basically promised users a higher ASIC quality chip that would be good at overclocking definitely better than something that you would just randomly by that wasn't advertised as being a great overclocker that's not to say you can't get lucky and hit the silicon lottery so to speak it happens all the time but it's never a guarantee unless the manufacturer or vendor specifically says it is a big chip and granted again you will be paying a premium if that is the case another contributing factor that helps determine overclocking potential is your cooling situation so if you have an Intel or AMD stock cooler you're not going to be able to get away with the same clock speeds that we hit today heat is essentially the arch-nemesis of computer hardware and if you're increasing your clock speeds and your voltages you're making your system run faster and work harder which produces more heat and if you don't have the adequate or proper cooling solutions put into place then you could run into things like thermal throttling which is when your Hardware actually exceeds it's safe operating temperature and thus has to automatically dial back or dial down the clock speed in order to get back into that safe thermal zone pushing your system to the limit without proper cooling can also cause your system to shut itself down as a fail-safe in order to prevent any kind of physical damage from happening on your hardware so always make sure you stay cool stay in school and they'll be a fool I'm gonna go jump in the pool so with that said guys I think that's enough Kyle rambling for one day so I'm going to leave you guys with this overclock your should do your research first don't be scared and enjoy the extra performance it's totally worth every single penny that you won't be spending on it but here's a question how many of you guys are overclocking your own systems at home and which components do you find yourselves overclocking the most your CPU your GPU your memory cat I know someone's overclock overtaxed so please do share your specs and your overclocking settings I can't wait to read all about them in the comments below until next time guys be sure to toss me a like on this video I know it was a little bit more like introductory beginners high-level contents but if you want to see more of it let me know in the comments and I'll be sure to think of some more stuff along these lines till next time guys have a good one subscribe to the channel if you haven't already and I will see y'all in the next video
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