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Ask GN 38: Frequency & Cores, Xeon vs. i7 for Gaming, Threats to Intel

2016-12-19
everyone welcome back to another episode of ask GN as always leave your questions in the comment section below if you want us to try and address the next video also go ahead and upload some of the questions that you like that as I've been learning with YouTube it doesn't really seem to necessarily impact anything some of the questions the most outputs were further down in the thread so I don't really understand how the comments here work but we'll try it out anyway before getting to the questions this content is brought to you by AMD and there are X 480 and 470 video cards in the Polaris product line you can check out our reviews on both of those have you're curious for more or hit the link in the description below for sales on these cards the first question is from insight show who this my rephrasing here but the question was basically at a top level how does hyper-threading impact or how is it added to the chip is it a physical switch in the dye or is it a micro code toggle of some kind what's going on there to get hyper-threading on something like an i7 6700 K as opposed to a non hyper threaded CPU from Intel so I do not know the answer to that I reached out to Intel and send it to them it is a good question they basically said we will look into it and get back to you with all the answers to your other architecture questions that you've asked this week so hopefully we'll have an answer soon Intel is aware of the question I'm thinking I'll get an answer right around when we get some more KB Lake information just because it'll be all in one bundle that way so that's on the table that's it's open for discussion but I don't know the answer right now my educated guess is that it's a micro code edition of some kind that just makes more sense to me I don't know if there's a validation reason or I don't think it's a physical toggle but I could be wrong so we'll wait for them to answer that the same user asked how does hyper threading affect the lifespan as in working for new games without compromise of a CPU how does it for example in a 2600 K compared to an i5 6600 K those types of differences are going to be more through architecture and IPC and things like that than threads necessarily but specifically looking at the thread count and hyper threading with older CPUs we you see and have shown in the past some games like Metro last light you see better 1% 11.1% low performance in the game when benchmark an FPS because the extra threads do actually help but it really is game dependent so I would say things like frequency generally well it depends how few cores you have but once you kind of start hitting that four core range frequency does have a bigger impact in general a big generalization but generally a bigger impact on gameplay than more cores or more threads but definitely extra threads helps in a few games they're not that common battlefield one was not one of them I thought maybe it would be but it really wasn't we benchmarked that metro lash lights kind of an outlier GTA 5 shows definitely some thread favorability depending on how low you go on the CPU skew list but it's a lot of massive difference between i5 and i7 it's kind of when you start getting lower than that that it makes a big difference in the low values does it does help with lifespan of course but the gains I think are much more limited than other things like just overclocking your CPU next question David do let do yet says what do you think about the AI GPU deal between Intel and AMD as I understand it that's not actually confirmed by anyone so I don't have any thoughts on it I think that's a rumor right now I think I talked about that on Joker's tgw show week or two ago and it was basically at the time was a rumor that was popularized by Kyle Bennett apart OCP certainly been in the industry a while he's got some credibility behind him but he's still the source the start in the end of the of the statement so I really have no thoughts or comments on it next question I don't have this comment or his name written down but we'll go find and put it in the normal place our question was basically about Xeon versus an i7 and when it makes sense to buy one versus the other so Xeon CPUs are kind of a hidden secret in system building if you're building enthusiast thumbs because you can often get them a bit cheaper than an i7 and they're mostly similar in some ways so it's it's a good way to save some money but you do sacrifice a bit so one example would be well first of all Zeon's and I sevens in the recent generations as long as you're not going with some crazy $5,000 CPU that really has some specific requirements what it needs the more equivalent to i7 Zeon's will work on the mainstream motherboards and chipset platforms so that makes them interesting as a buying option and to save some money or to the wart stock issues but the things you sacrifice Zeon has no IGP which is something that almost I'm sure all of you do not care about so that's that's one area where it's good you lose the IGP if you already are buying a DGP you then who cares you can use that die space for something more important like in the case of the Zeon higher cash and more cash will help in production workloads and other specific applications rendering applications modeling stuff like that simulation that can help there not going to be a massive impact to games what will impact games more is frequency as kind of stated a second ago and with frequency the Zeon's tend to be lower clocked and they're not really overclockable in the way that an i7 whatever would be an i7 case q 6700 K for the current generation or something like that so some sacrifices then some good the good is maybe a bit cheaper you get more cash you might get more cores and which ones you're looking at and that could be helpful if you're building a machine that will at least part time double as a production system you lose the frequency and you lose the overclocking but if you care about neither of those then I guess it's a good buy but again drop in frequency will impact gaming performance pretty reasonably oh and the IGP which is useless for the most part anyway other than quick sync or something like that next question Ricky Chon says if Andy's Zen will flop do you think intel jack up their prices I think Intel's prices are probably about where they will stay Intel's way more worried about people like arm and Qualcomm right now I don't know that AMD has really posed that much of a threat in the last few years to Intel certainly with Xen they would pose more of a threat but I think Intel's a lot more worried about other competitors right now than a desktop where they're kind of it's a smaller market it's established and there's not a lot of innovation and it compared to things like mobile or server Enterprise so I think that's where their efforts are focused right now but in terms of if M if it's n flops I I don't I don't really want to speculate on that too much because I don't like speculating on our product will perform before I even know how how it performs in terms of benchmarking but you know let's let's say that Xen doesn't do great I don't think it's going to change things a whole lot because the markets already pretty heavy on Intel right now if you look at just the market share of Intel CPUs the only thing I only see this going in a direction of AMD gaining more market share or remaining the same I don't know that they'll lose a whole lot if they do them there's other issues that we'll talk about at that point but I don't I don't think that's really a main point of concern right now so will they increase their prices I would have to say probably not if anything they're going to stay the same most likely stay the same maybe go down a little bit if they're starting to feel some pressure from Xen which would be a great thing especially at the high end where you've got Rison competing with the Broadwell chips probably chips that would be a good thing but now I think the answer to that is no next question is pixel list says dear gni overclocked my 6700 K to 4.5 gigahertz with a 1.3 5v core and I start monitoring programs like CPU Z voltage seems to go all the way up to 1.4 under load that's not a huge fluctuation when I use cpuid it is constant at one point six double-checked BIOS and it's set to one point three five yes so what you're seeing is it could be a few things without knowing your motherboard and other settings there's a couple CPU settings in BIOS that you should check things like a is T and C States and there's a couple of other OSI settings again depending entirely on around a sixty seven hundred K so I guess reply on z170 so you want to check C States and things like that generally your voltage is going to look more variable depending on the software you're using to monitor it so I would recommend something like a 264 and it's that on hardware info 64 I think both of those are in my experience pretty accurate with voltages I would use those to monitor CPU Z should be accurate as well but hardware info 64 and 8o 64 are the two I would get and then it could be you're looking at different voltage values CPUs have more than one voltage value so make sure it is actually V core for all the software you're using to validate because you may be looking at a different voltage value and then the update frequency as well for the software could be different so if you put two solutions next to each other two programs on your desktop you have cpz here and a to 64 and hardware in for 64 if they're updating at different frequencies which some of them you can tune like ADA you can change and some of you can't if they update at different frequencies then they might be three different numbers even though they're all presenting the data to you at the same time they might have checked it at a different time and so that would cause another disparity but the CPU will also to some extent change its voltage based on the current need so moving from one point three five to one point four I would not say as is a huge deal moving from one point three five to one point six is a much bigger difference but I would start with checking the software next question smokey DAPs says what's your guys take on FDM and 3d printers I predict I predict a slide we see at the new aizen's event will include a red-black AMD branded bracket around the processor sample and those would be 3d printed I've no doubt an Rd company would be using 3d printers but how about you we don't use them I don't have one I have used them and I have we did one video on 3d printers several years ago at a Maker Faire event maybe one maybe two but I mean they're cool I don't really I don't have a lot of thoughts on them to be honest we kind of focus on component so that is out of my expertise but I did want to bring it up because the point here that's interesting is the one about 3d printing brackets and things like that that's something we've seen it hasn't really taken off yet and I'm trying to remember some of the other places we've seen that where companies have offered semi modular components but that's that's attempted to be a theme lately especially with shrouds for different products brackets stuff like that GPU cooling solutions I haven't really seen a take off though headsets as well there's been a lot of headsets we've looked at lately at trade shows were they one of their big points is you could 3d print the external at your cup cover if you wanted a logo or something on it but it doesn't doesn't seem to have taken off in the enthusiast market just yet pretty cool but definitely definitely out of my expertise last question is from whoever that guy is he's returned been out for at least 10 episodes now whoever this that guy is maybe hopefully has improved since last time says sup Steve it's been a while anyway I installed this newest Nvidia driver and it optimized all my neatly tuned graphics settings how do i optimize your hairs hairstyle that's it for this episode of ask GN as always leave your questions in the comment section below and patreon link to help us out directly subscribe for more content we have a few interesting things coming up this week it's going to be a bit of a lighter week at the end of it holidays and all that but looking at hopefully and in when I think it's the 805 infinity which we showed you all coppy types or CES or one of those shows CES I believe you're almost a year ago now so looking at the 805 infinity properly and we'll be looking at some internal solutions that I've been building up for compressing our media and working with an ass and stuff like that so check back is always subscribe for more i'll see you all next time you
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