NVIDIA GeForce GTX 760 Review: The New Enthusiast Kepler
by Ryan Smith on June 25, 2013 9:00 AM ESTSynthetics
As always we’ll also take a quick look at synthetic performance, though as GTX 760 is just another GK104 card, there shouldn't be any surprises here. These tests are mostly for comparing cards from within a manufacturer, as opposed to directly comparing AMD and NVIDIA cards. We’ll start with 3DMark Vantage’s Pixel Fill test.
The 3DMark Pixel Fill test confirms what we’ve seen in or earlier results, with the full 32 ROP/256-bit configuration of the GTX 760 giving the card a notable advantage in this ROP and memory bandwidth bound scenario. It also validates why the GTX 670 and GTX 760 are so close in these scenarios.
Moving on, we have our 3DMark Vantage texture fillrate test, which does for texels and texture mapping units what the previous test does for ROPs.
The texel test on the other hand correctly points out the worst case scenario. In purely shader and texture bound scenarios, even with its higher clockspeeds the GTX 760 still can’t make up for the lack of an SMX relative to the GTX 660 Ti and GTX 670. Thankfully as we’ve seen in our game benchmarks performance is being dictated more often by the ROP improvement than the loss of the SMX.
Finally we’ll take a quick look at tessellation performance with TessMark.
Tessmark is surprisingly consistent, with the GTX 670, GTX 660 Ti, and GTX 760 all in a virtual tie. GTX 760 lacks the Polymorph Engine that comes with the 7th SMX, but in this test the lack of tessellation performance from that loss is getting completely offset by the higher clockspeeds of the GTX 760.
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kennyG - Tuesday, June 25, 2013 - link
I for one was not happy with the out come of the 760 tested . I wanted Nvidia to totally take the 670 and enhance it and make a 760..Do the same process like they did with the 680 to 770. I really wanted to buy this card... Waiting for this one and I'm pisssed.Laststop311 - Tuesday, June 25, 2013 - link
I wonder how 2 of these(500) in sli compared to the GTX 780 single gpu (650)xTRICKYxx - Wednesday, June 26, 2013 - link
About Titan/GTX 690 levels.Ribozyme - Tuesday, June 25, 2013 - link
Ryan, could you please elaborate why the 760 draws considerably more power than a 670 while still being slower? Is this because a lower clocked 670 is compared to a pretty high clocked 760 in comparison? What would the situation be if you compared a 760 to a 670 clock per clock? And would I be able to power this with a be quiet straight power e9 400w + 3770k folding 24/7 ?And last question, are your power consumption values measured from the socket with a watt meter or with ampere meter on each cable and then added up?
Ryan Smith - Tuesday, June 25, 2013 - link
The biggest difference between the 760 and 670 is that the 760 has GPU Boost 2.0, which is a significantly different method of adjusting clockspeeds around temperature and power limits. The 670 had a TDP of 170W, but in practice its power target (a concept that doesn't exist with Boost 2.0) was below that. Whereas the GTX 760, if not constrained by temperatures, will get closer to its 170W TDP more frequently.The other difference is as you note: clockspeeds. The GTX 760 has fewer SMXes, but it operates at a higher clockspeed and with higher voltages (1.2v vs. 1.175v). That really eats up power at the highest boost bins. The 760 is essentially a little less wide and a little deeper than 670; clock for clock the 670 is going to be faster (but it won't be able to clock quite as high).
As for your PSU question, I'm afraid I can't answer that in any confidence. Based on specs I'd think that would work, but I don't know anything about that PSU.
Finally, power consumption is measured at the wall.
JimmiG - Wednesday, June 26, 2013 - link
Many non-reference GTX 670's boost higher, though. For example, my KFA² GTX 670 almost always boosts to 1,189 MHz, sometimes higher. If you can find a cheap, non-reference GTX 670 before they go out of stock, it might be a better deal.vision33r - Tuesday, June 25, 2013 - link
The last 3 years we saw really no innovation in the desktop GPU market. If you bought a HD 5870, you can still rock that card today in every game without any issue. We will see most of today's card get tossed when 4k monitors become a reality. Even SLI/CF top end cards today will score sub 30fps when games are played natively at 4k res.Kutark - Tuesday, June 25, 2013 - link
Ive been looking for the right price point to upgrade my GTX570, especially with BS4 coming out soon. I was hoping this would be it, but it looks like its really not enough of a jump to justify $250, especially when i could put that money towards a PS4 for some of the console games that wont be ported to PC. Any opinions otherwise?Kutark - Tuesday, June 25, 2013 - link
Haha, meant to say BF4, but yah, you get what i meant lol.mapesdhs - Tuesday, June 25, 2013 - link
:D That was a good one. :)
I suppose it depends on what you want from an upgrade. Are you looking for at
least a 2X speedup? If so then yes, atm you'd probably have to aim higher than
a 760. Indeed, I have a hunch that 570 SLI might match a 770 (that's an option I
suppose, get a 2nd used 570 for the interim).
Ian.