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Ask GN 15: Hopes for Zen, CPU Gain Limitations, & More

2016-04-16
hey Ron we're back for another episode of ask GN and we have a couple quick questions this week and then some more in-depth ones that require actually separate videos all together so first off question from Eli do you have high hopes for amd's n do you also agree on it making or breaking it I assume it referring to AMD as a company or at least their CPU division high hopes so no as a rule I generally don't develop the hopes for any of these architectures because it's really our job to analyze them based on their merits and performance not based on what we hope they will be so I try not to develop any hopes for them I really have no personal opinions of Zen right now I've read about it obviously we know some stuff about it but that's all in the objective side and will be used to review content so I would say I don't really have any type of hopes for Zen now Andy as a company would have pretty high hopes for it because addressing the second half of the question do you agree on it making a break in AMD yes it sort of does make or break their CPU division because FX that lineup is built on an 3 plus platforms which is from 2011 and 3 is the basis of am3+ that's from 2009 that is ancient in computer terms that's archaic and so moving forwards pretty important and 4am for looks really good fm2 FMT plus much better platforms in a m3 so Andy's going in the right direction and Zen will at least hopefully achieve parity with Intel that would be the the one hope that I do have is that they achieve parity because FX is a bit behind in several ways but as far as it making a break in the company and he's doing pretty well with GPS right now they really have a good opportunity to catch up a bit with NVIDIA and I say that meaning market share it's just sort of irrefutable at this point that anybody does have a massive amount of the game in market so this sort of window between Polaris and Pascal for both architectures gives AMD a bit of an opportunity to strike especially with their current asynchronous advantage in some games now with the again on the GPS I'd the silicon manufacturing is being done by Samsung they're getting kind of bailed out by Samsung good news for AMD and then then we'll see how that goes but that will definitely be a pretty important mantra them I don't personally really have any hopes for it though other than achieving parity or better would ideally be what happens because otherwise it's just there's no point in releasing it so the next question is from Drake Owens and Drake asks break out the crystal ball and tell me what you think will happen with a monitor seen in the next couple of gears I have a 1080p 144 hurts display I wonder what oled 4k HDR and quantum dot tech mean to me as a gamer when I want to upgrade so monitors are interesting it's not really a device you upgrade to regularly at least I never have it's always been you get a monitor and then you just use it until it breaks or until it's so obsolete that you have to upgrade so 4k I will say this first 4k really doesn't interest me I don't think it's going to take off like maybe the market expects a hood but 1440p is pretty interesting so on the game inside 1440p is a good middle ground resolution it often allows or comes with high refresh rates which is much more interesting to me as a gamer than a lot of other monitor display tags so if you get 120 140 for hertz at 1440p you're in a pretty damn good spot and that's great for FPS games and things like that 4k there's not a huge advantage to it maybe if you're a really cinematic type gamer and you can see that pixel difference but other than that I'm most interested in ultra wide so like that Easter predator we looked at which was 34 40 x 1440 that's a pretty cool display not just the predator but in general that resolution the ultra wide 21 x 9 setup that's it's really good for production it's basically two displays on your desktop with that takes one physical slot on the desk itself so it's really easy to work with i I think ultra wise are worth paying attention to HDR is the next thing worth paying attention to I don't know how far it will go for gaming but there's some stuff that developers have to do to really utilize it not a lot of work though and then HDR high dynamic range for those who don't know basically just means you get more bit depth for the the colors so the colors are more here you get better blacks instead of the fuzzy black that's produced with the sort of grainy output of TN 8-bit displays and then certain other colors blue spectrum are going to be sharper as well with the HDR displays so it's it's cool to look at it's certainly sharper I depends sort of on the cost of the tech how far it goes that's the problem with 4k it costs so much or at least did originally that no one's really picked it up to a mass scale so again i would say immediate future for 1440p with high refresh rate that's the one I would look at in the immediate future Ultra wives would look at in the immediate future and then looking out a couple years from now see where HDR goes and if it sticks around because that would be sort of almost more interesting to me than 4k or something like that the next question is from Doug who asks do you think thermal throttling is becoming a bigger problem with the new high-end laptops and desktops having desktop CPUs and GPUs in them so for high-end laptops with the desktop GPUs and CP is the GTX 980 and laptops probably the first real example of that recently and we did see some thermal generation it definitely got hot but it wasn't really throttling too hard so the GTX 980 as an example just because that is the one that's in desktops right now and also in laptops the 980 is a device a GPU that throttles at around 80 Celsius so once you start hitting 80 Celsius the clock rate will throttle itself and go up and down according to the heat and so it'll drop and that'll drop your thermal levels and then it will jump up again once the heat has gotten under control so that's an example of how it throttles now whether it throttles depends on the laptop and the thermal design of the laptop the heat pipe design heatsink design the fans all that your fan curve in the sort of at a minimum you run a higher fan speed to keep those devices under hopefully the 80 Celsius range absolute value but whether it actually is is a problem I guess just depends on the unit so the MSI gt70 to Dominator Pro G we looked at ran a little warm but not so much that it was really throttling noticeably other units especially if you sort of step down from the massive behemoth size of the GT 72 those would have an issue with throttling certainly next question is from valgus boys who says how many FPS are used rendering desktop how was rendering desktop different from rendering a game things can move on the desktop two cursors icons and applications and so on just with not so many effects as in games so yeah that's of course true it's not a lot of effects on the desktop and that's by design they want it to be as sort of functional as possible without requiring resources to just draw windows so that's correct but how much how many frames per second to do it if you run something like fraps and just force it to run on the desktop you'll see that it just constantly pushes the refresh rate of the monitor so if you refresh rate a six to your desktop will render at about 60 FPS unless there's a problem and the same is true for 120 Hertz or 144 hurts the desktop will match whatever your display is there's no real such thing as vsync for just a desktop there's no reason you want 3000 FPS for your desktop so keeping it locked to the refresh rate is actually a good thing here because if you start just unleashing the GPU Foley one it'll require more power than really is necessary just to render a desktop and to you start running into coil wine issues with some of the AMD and nvidia cards where the the gtx 960 comes to mind some of them i have some coil wine issues when they start pushing more than a thousand FPS which would definitely happen on a desktop next question is from gaia mo perez who says oh this one's actually there's a pretty long question so i have a few questions bugging me what is the purpose of pushing the and marketing the GPU inside of the i7 series since I sevens and at high end users who would want it when they're just getting a DGP you anyway so let's let's just focus on that question for today or for now anyway the the reason that I GP is being pushed is because it's not so simple and I see do you ask us would it be better to not just use that die space for additional course so yes you do ask that so using the dye space for additional cores is what they do with the x 99 series right now the extreme series of CPUs and that will persist through until the next generation with broad well II and there's a few reasons for it one is marketing and segmenting the market to buy what they want them to buy but the main reason is it's really not so easy to just take an existing architecture and by not so easy I mean effectively impossible take an existing architecture and then just say not only are we going to turn off the IGP part of this but we're going to put other cpu cores in there it doesn't really work like that AMD is a good example they sell the ATK the eights elders athlon x4 cpus those are AP use but they turn the igp off so you're actually just sort of disabling half of the die and then selling a cheaper product so they do that with those Intel sort of did that with some of their previous the g3 258 but there's not really such a thing as disabling the igp on an i7 and then putting more cores in there that's not really how it works the xeon series does disable that I GP and it lowers the cost a bit but if you want to use the dye space for more CPU cores you really have to go into the extreme series for Intel or the FX series for AMD because anything short of that is either a disabled IGP where you're just scrapping that hold I space and you're saving a bit of money or it is it's it's just all cpu space depending on what you're looking at next question is from ill to Xbox this is actually a big question I want to do a full proper feature on at some point so we're only to address a little bit here but it's about CPU architecture and he's he or she says hey see we've all hit a wall with cpu performance Intel improves our forums by only a couple percent per generation and people using sandy bridge from five years ago still use them and there's still plenty fast enough I agree with that do you think intel and AMD should be focusing to improve their cpu performance or what what do you think they should be focusing on so you there's a couple things here one definitely power power draw needs to go down it's been going down and needs to keep going down that's a big market it's weird in the market in terms of pushing the products because with the improved power draw lower power draw means generally performance doesn't increase as much and that's hard to advertise as a good thing so you do see some kind of interesting battles there between AMD and Intel with talking about that but that's where I think it's still the most important you see this move to 10 nanometer from Intel and ease dropping their fab process as well that will improve power draw a lot cram more transistors in and improving power draw is good for mobile devices which are really driving the market right now whether or not we want it to be that way and mobile devices they'll get more battery life and so forth so that's a good thing for improving CPU architectures on the whole improving it on the desktop side caching you want more cash that's a big limiter one really interesting thing to think about is hbm so in the future is already happening with the Xeon Phi CPUs beige basically scientific CPUs but in the future we're going to start seeing this move where CPUs will incorporate hbm just like GPUs on an interposer or something like that on top of the substrate and as they do that system memory becomes a lot less relevant to the average user so I would imagine a point with them in the next five to ten years where you might have mainstream rigs that just run hbm maybe two or four gigabytes of it will probably for realistically probably four gigabytes or more 4 8 16 whatever that's all hbm to is pushing towards but they'll be improving these architectures primarily by integrating memory and either getting rid of system memory for mainstream rigs or just minimizing its impact so that's something really interesting to pay attention to and I think that's where sort of the future of CP uses and in the immediate vantage point and then I GP is really important as well for the same reason and for a couple of other reasons that we'll talk about in future videos last question leo DS says oh come on no hair questions here's the one why don't you grow a bee to go with the hair that would look savage it would just be unfair frankly to all the other YouTube channels so I mean you know got to compete fairly so that is all for this week check the patreon link the postural video helps out directly thank you for watching I'll see you all next time
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