The NVIDIA GeForce GTX 970 Review: Featuring EVGA
by Ryan Smith on September 26, 2014 10:00 AM ESTCrysis: Warhead
Up next is our legacy title for 2014, Crysis: Warhead. The stand-alone expansion to 2007’s Crysis, at over 5 years old Crysis: Warhead can still beat most systems down. Crysis was intended to be future-looking as far as performance and visual quality goes, and it has clearly achieved that. We’ve only finally reached the point where single-GPU cards have come out that can hit 60fps at 1920 with 4xAA, never mind 2560 and beyond.
With the GTX 980 already falling just short of beating the R9 290XU in Crysis: Warhead, this is the only other instance where the GTX 970 isn’t a completely competitive card. Even the EVGA FTW overclock can’t help it catch up to the R9 290, let alone the R9 290XU. Crysis simply calls for more shader power than what the GTX 970 can realistically deliver.
The story is much the same with minimum framerates. Although GTX 970 doesn’t fare any worse relatively speaking, it also doesn’t get to close the gap.
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AkibWasi - Saturday, September 27, 2014 - link
ain't those 896(64 per SMM) yellow colored boxes in Titan's diagram indicate FP64 cores ???Ryan Smith - Saturday, September 27, 2014 - link
Correct. NVIDIA only includes those cores on diagrams for their compute/pro GPUs.dexgen - Friday, September 26, 2014 - link
I think it would be a great idea to comment on and analyze the effects of overclocking (extra OC through AB or PX) when even the non overclocked settings end up getting throttled.For me, the most important thing about overclocking when the card is factory overclocked already is how much the throttling changes when the power target is increased. Any comments, Mr. Smith?
Ryan Smith - Friday, September 26, 2014 - link
Increasing the power target helps, but it does not fully alleviate the issue. A 10% increase just isn't enough to eliminate all TDP throttling, thanks in big part to the fact that power consumption grows with the square of the voltage. GM204 would ideally like quite a bit of power to sustain a heavy workload at 1.243v. Which is why that's officially in boost territory, as NVIDIA only intends that voltage/bin to be sustained in light workloads.Alexvrb - Saturday, September 27, 2014 - link
Wow I figured that the 970 would run into far less issues sustaining max boost than the 980. But I guess it is drawing nearly as much power. I don't want to see anyone complaining about AMD cards and boost anymore, heh.Anyway, the 970 still provides the absolute best bang for the buck and I'm stunned they didn't price it at $400. It's fast, reasonably priced, runs cool and quiet. It also is easy on power requirements, though I always overbuy on PSU anyway for headroom. Easy recommendation for anyone buying in the this price range!
AnnonymousCoward - Saturday, September 27, 2014 - link
Square of voltage, what are you smoking? P = IV = I^2 R = V^2 /R. The IC isn't a resistor. Typically current stays close to the same as you increase supply voltage.Ryan Smith - Saturday, September 27, 2014 - link
The formula for dynamic power consumption:P = C * V^2 * f
Where C is capacitance, f is frequency, and V is voltage. Those high boost bins are very expensive from a power standpoint.
AnnonymousCoward - Sunday, September 28, 2014 - link
You're right, thanks! Thinking about it, dynamic power increases by the square, and static is by a direct proportion, so total should be between the two. Dynamic probably dominates so it's probably much closer to the square.Footman36 - Friday, September 26, 2014 - link
What really bothers me is that EVGA is getting lazy, reusing older pcb's. This one looks like a 760... The VRM and phases look very primitive next to a card like the Asus Strix GTX 970. There was a time when EVGA used to wow me with custom designs, the last few years not so much as they invariably use reference boards. the issue I have with most of the reference boards is that coil buzz is noticeable. The Asus and MSI boards are using custom digital VRM's and super alloy caps....Anyhow, nice review.
Iketh - Monday, September 29, 2014 - link
i'm sure it has to do with their big heat sink design + bracing so the card doesn't flex