The NVIDIA GeForce GTX 980 Review: Maxwell Mark 2
by Ryan Smith on September 18, 2014 10:30 PM ESTMetro: Last Light
As always, kicking off our look at performance is 4A Games’ latest entry in their Metro series of subterranean shooters, Metro: Last Light. The original Metro: 2033 was a graphically punishing game for its time and Metro: Last Light is in its own right too. On the other hand it scales well with resolution and quality settings, so it’s still playable on lower end hardware.
As has become customary for us for the last couple of high-end video card reviews, we’re going to be running all of our 4K video card benchmarks at both high quality and at a lower quality level. In practice not even GTX 980 is going to be fast enough to comfortably play most of these games at 3840x2160 with everything cranked up – that is going to be multi-GPU territory – so for that reason we’re including a lower quality setting to showcase just what performance looks like at settings more realistic for a single GPU.
GTX 980 comes out swinging in our first set of benchmarks. If there was any doubt that it could surpass the likes of R9 290XU and GTX 780 Ti, then this first benchmark is a great place to set those doubts to rest. At all resolutions and quality settings it comes out on top, surpassing NVIDIA’s former consumer flagship by anywhere from a few percent to 12% at 4K with high quality settings. Otherwise against the R9 290XU it’s a consistent 13% lead at 2560 and 4K Medium.
In absolute terms this is enough performance to keep its average framerates well over 60fps at 2560, and even at 3840 Medium it comes just short of crossing the 60fps mark. High quality mode will take the wind out of GTX 980’s sails though, pushing framerates back into the borderline 30fps range.
Looking at NVIDIA’s last-generation parts for a moment, the performance gains over the lower tier GK110 based GTX 780 are around 25-35%. This is about where you’d expect to see a new GTX x80 card given NVIDIA’s quasi-regular 2 year performance upgrade cadence. And when extended out to a full 2 years, the performance advantage over GTX 680 is anywhere between 60% and 92% depending on the resolution we’re looking at. NVIDIA proclaims that GTX 980 will achieve 2x the performance per watt of GTX 680, and since GTX 980 is designed to operate at a lower TDP than GTX 680, as we can see it means performance over GTX 680 won’t quite be doubled in most cases.
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garadante - Sunday, September 21, 2014 - link
What might be interesting is doing a comparison of video cards for a specific framerate target to (ideally, perhaps it wouldn't actually work like this?) standardize the CPU usage and thus CPU power usage across greatly differing cards. And then measure the power consumed by each card. In this way, couldn't you get a better example ofgaradante - Sunday, September 21, 2014 - link
Whoops, hit tab twice and it somehow posted my comment. Continued:couldn't you get a better example of the power efficiency for a particular card and then meaningful comparisons between different cards? I see lots of people mentioning how the 980 seems to be drawing far more watts than it's rated TDP (and I'd really like someone credible to come in and state how heat dissipated and energy consumed are related. I swear they're the exact same number as any energy consumed by transistors would, after everything, be released as heat, but many people disagree here in the comments and I'd like a final say). Nvidia can slap whatever TDP they want on it and it can be justified by some marketing mumbo jumbo. Intel uses their SDPs, Nvidia using a 165 watt TDP seems highly suspect. And please, please use a nonreference 290X in your reviews, at least for a comparison standpoint. Hasn't it been proven that having cooling that isn't garbage and runs the GPU closer to high 60s/low 70s can lower power consumption (due to leakage?) something on the order of 20+ watts with the 290X? Yes there's justification in using reference products but lets face it, the only people who buy reference 290s/290Xs were either launch buyers or people who don't know better (there's the blower argument but really, better case exhaust fans and nonreference cooling destroys that argument).
So basically I want to see real, meaningful comparisons of efficiencies for different cards at some specific framerate target to standardize CPU usage. Perhaps even monitoring CPU usage over the course of the test and reporting average, minimum, peak usage? Even using monitoring software to measure CPU power consumption in watts (as I'm fairly sure there are reasonably accurate ways of doing this already, as I know CoreTemp reports it as its probably just voltage*amperage, but correct me if I'm wrong) and reported again average, minimum, peak usage would be handy. It would be nice to see if Maxwell is really twice as energy efficient as GCN1.1 or if it's actually much closer. If it's much closer all these naysayers prophesizing AMD's doom are in for a rude awakening. I wouldn't put it past Nvidia to use marketing language to portray artificially low TDPs.
silverblue - Sunday, September 21, 2014 - link
Apparently, compute tasks push the power usage way up; stick with gaming and it shouldn't.fm123 - Friday, September 26, 2014 - link
Don't confuse TDP with power consumption, they are not the same thing. TDP is for designing the thermal solution to maintain the chip temperature. If there is more headroom in the chip temperature, then the system can operate faster, consuming more power."Intel defines TDP as follows: The upper point of the thermal profile consists of the Thermal Design Power (TDP) and the associated Tcase value. Thermal Design Power (TDP) should be used for processor thermal solution design targets. TDP is not the maximum power that the processor can dissipate. TDP is measured at maximum TCASE"
https://www.google.com/url?sa=t&source=web&...
NeatOman - Sunday, September 21, 2014 - link
I just realized that the GTX 980 has a TDP of 165 watts, my Corsair CX430 watt PSU is almost overkill!, that's nuts. That's even enough room to give the whole system a very good stable overclock. Right now i have a pair of HD 7850's @ stock speed and a FX-8320 @ 4.5Ghz, good thing the Corsair puts out over 430 watts perfectly clean :)Nfarce - Sunday, September 21, 2014 - link
While a good power supply, you are leaving yourself little headroom with 430W. I'm surprised you are getting away with it with two 7850s and not experiencing system crashes.ET - Sunday, September 21, 2014 - link
The 980 is an impressive feat of engineering. Fewer transistors, fewer compute units, less power and better performance... NVIDIA has done a good job here. I hope that AMD has some good improvements of its own under its sleeve.garadante - Sunday, September 21, 2014 - link
One thing to remember is they probably save a -ton- of die area/transistors by giving it only what, 1/32 double precision rate? I wonder how competitive in terms of transistors/area an AMD GPU would be if they gutted double precision compute and went for a narrower, faster memory controller.Farwalker2u - Sunday, September 21, 2014 - link
I am looking forward to your review of the GTX 970 once you have a compatible sample in hand.I would like to see the results of the Folding @Home benchmarks. It seems that this site is the only one that consistently use that benchmark in its reviews.
As a "Folder" I'd like to see any indication that the GTX 970, at a cost of $330 and drawing less watts than a GTX 780; may out produce both the 780 ($420 - $470) and the 780Ti ($600). I will be studying the Folding @ Home: Explicit, Single Precision chart which contains the test results of the GTX 970.
Wolfpup - Monday, September 22, 2014 - link
Wow, this is impressive stuff. 10% more performance from 2/3 the power? That'll be great for desktops, but of course even better for notebooks. Very impressed they could pulll off that kind of leap on the same process!They've already managed to significantly bump up the top end mobile part from GTX 680 -> 880, but within a year or so I bet they can go quite a bit higher still.
Oh well, it was nice having a top of the line mobile GPU for a while LOL
If 28nm hit in 2012 though, doesn't that make 2015 its third year? At least 28nm seems to be a really good process, vs all the issues with 90/65nm, etc., since we're stuck on it so long.
Isn't this Moore's Law hitting the constraints of physical reality though? We're taking longer and longer to get to progressively smaller shrinks in die size, it seems like...
Oh well, 22nm's been great with Intel and 28's been great with everyone else!