EVGA GeForce GTX 680 Classified Review: Pushing GTX 680 To Its Peak
by Ryan Smith on July 20, 2012 12:00 PM ESTOC: Gaming Performance
Having taken a look at how well we were able to overclock the GTX 680 Classified and what the power, temperature, and noise impact of that overclock was, it’s finally time to take a look at what it does for gaming performance. As always we’ve culled our results a bit to focus on games that need the extra performance and avoid games that are likely to be CPU limited (and hence waste the overclock).
Thanks in large part to our memory overclock the GTX 680 Classified finally picks up some Steam in Crysis. At 36fps for overclocking without overvolting it’s just enough to tie the Radeon HD 7970, which shows just how far behind the 7970 the GTX 680 is. The higher overclocks afforded by overvolting improve performance a bit more, but with such a small improvement in memory clocks we see an equally small improvement in Crysis performance.
Metro responds well to our combination of core overclocking and memory overclocking, which leads to the stock voltage overclocked GTX 680 Classified picking up 9% and pushing it ahead of the 7970GE to 43fps. Overvolting and further overclocking adds just one more frame per second however.
Shogun 2 ends up being our most interesting result, but not necessarily for the right reasons. As we alluded to earlier, overvolting will send power consumption shooting towards the GTX 680 Classified’s power target, which is exactly what has happened here. The overclock without overvolting sees a respectable performance increase, but additional voltage sends performance back down to the point where it’s not much better than the stock GTX 680 Classified. Overall our core clock was typically under 1100Mhz here when overvolted.
Shogun 2 appears to be an outlier among all of the games we test, but it’s a stark reminder that there’s more to overclocking than just adding power and cranking up the core clock.
Where the stock GTX 680 Classified didn’t greatly improve on the reference GTX 680, overclocking has changed things significantly. 73fps represents a 12% performance improvement for the stock voltage overclocked GTX 680 Classified, while overvolting gets us to 75fps.
Finally with BF3 we see another solid gain from overclocking, with the non-overvolted GTX 680 Classified improving over the stock card by 9% to 76.5fps. Overvolting gets a further 2.6fps (3%) to 79.1fps.
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ubernator44 - Monday, September 17, 2012 - link
edit, sorry 17 phases :P 14+3 phases :Psan1s - Friday, July 20, 2012 - link
This isn't really intended for ordinary gamers, but rather overclockers using exotic cooling. In that case, the overclocking features this card provides makes it a far more valuable card to them in comparison to reference cards.RussianSensation - Saturday, July 21, 2012 - link
Ya, but in that case the MSI Lightning 680 imo is the better card. It has more premium components and is also ready for LN2.CeriseCogburn - Sunday, July 29, 2012 - link
And has a 375 W ceiling..... right....Sabresiberian - Sunday, July 22, 2012 - link
As far as cooling solution, that's just your opinion, (actually from what I've read it's wrong because the Lightning gets warmer) and a lot of people aren't going to like MSI's because they want the warm air moved out of the case.The big kicker for me though is the 4GB of memory; if you plan on running 3x 2560x1440, 2GB just isn't enough. I'm an MSI fan, but I can't use their product to fill my needs. If I want 4GB and "unlocked voltage" my only choice is the EVGA Classified.
Amoro - Friday, July 20, 2012 - link
I wonder why the SC version is the only one with overclocked memory. Does that mean that overclocking the memory isn't valuable? Typo maybe?ltcommanderdata - Friday, July 20, 2012 - link
Probably because stable memory overclocking is difficult to achieve when you are trying to drive double the VRAM. Seeing 4GB of VRAM seems to be overkill, keeping 2GB of VRAM and increasing memory clocks would probably have been more worthwhile although it doesn't quite have the same marketing ring to it as "4GB".CeriseCogburn - Sunday, July 29, 2012 - link
I wondered where all the blabbering amd fanboys skittered off to in their constant 3GB ram drone psychosis....Let me just share a quote : " Quote :
The 4GB -- Realistically there was not one game that we tested that could benefit from the two extra GB's of graphics memory. Even at 2560x1600 (which is a massive 4 Mpixels resolution) there was just no measurable difference. "
LOL
So now the blabbering jerks will yapper about cost, complain about the 7970 6GB being "superior" and have the most enormous and gigantic brain fart concerning their endlessly godless and irritatingly stupid 3GB ram superiority dance vs 2GB 680 670.
It's a freaking TOTAL BLACKOUT at alcoholic blood toxic death level.
Just wait, because no amount of evidence will do it for the amd fanboy, and their masters at amd have known this for years, and have been playing them like a retarded out of tune fiddle gets played. A week or a day on they will be back at it, on some other article , any webspot they land... and the brain fart will be what they are not even aware of.
It's clear how Hitler came to power.
mpschan - Friday, July 20, 2012 - link
Where are their mid-range offerings? Where are their $200-300 cards on this latest architecture?I'm starting to think that by the time we see a 660 AMD will be releasing their 8000 series.
superccs - Friday, July 20, 2012 - link
Yeah I totally clicked on this article thinking it was a 660 review. WTF? Nvida, you no like midrange anymore?Bork!