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GTX 680 4GB or GTX 770 2GB?

post #1 of 32
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Hey all... Just wondering which one would be more future proof on a 27" 1920x1080 monitor? Thanks:)
post #2 of 32
The 770 is a rerbrand (with a newer BIOS) of the 680. The 4GB will be much more future-proof.
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post #3 of 32
Quote:
Originally Posted by REAPER XD View Post

Hey all... Just wondering which one would be more future proof on a 27" 1920x1080 monitor? Thanks:)

Do you have any other choices ?? What budget do you have ??
post #4 of 32
Quote:
Originally Posted by Legonut View Post

The 770 is a rerbrand (with a newer BIOS) of the 680. The 4GB will be much more future-proof.

They're exactly the same apart from a couple of things yes;

  • The GTX770 has a higher stock voltage (1.21v vs lower of the 680)
  • The GTX770 has faster memory, again I'm unsure of the actual amount but it's faster.

Other then that it's a total rebrand, 4GB is a bit of a waste though on a GTX680, because the card can't really utilize all of the memory, but if it's the same price you may as well grab it and overclock the 680 to match. If you're not into overclocking just grab the 770. thumb.gif
 
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post #5 of 32
Quote:
Originally Posted by Matt-Matt View Post

They're exactly the same apart from a couple of things yes;

  • The GTX770 has a higher stock voltage (1.21v vs lower of the 680)
  • The GTX770 has faster memory, again I'm unsure of the actual amount but it's faster.

Other then that it's a total rebrand, 4GB is a bit of a waste though on a GTX680, because the card can't really utilize all of the memory, but if it's the same price you may as well grab it and overclock the 680 to match. If you're not into overclocking just grab the 770. thumb.gif

At 1080P it wont make any significant difference. As for the memory, the 680 has 6k mhz mem and 770 has 7k mhz mem. As you mentioned, im not so sure how well the 4gb VRAM would be utilized over a 256 bit bus anyway. However, at 1920 x 1080 hes good either way.
   
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post #6 of 32
Quote:
Originally Posted by Matt-Matt View Post

4GB is a bit of a waste though on a GTX680, because the card can't really utilize all of the memory

Depends on the application and display resolution, I think. When I was running SLI GTX 680s I was able to effectively hit 2.5-3GB of VRAM usage with Crysis 3 and maxed settings at 2560x1600p. True, I don't think you can use the whole 4 GB, but you can certainly use more than 2 GB.

VRAM is also useful if you do any CUDA applications, e.g. Blender rendering. The more VRAM, the bigger/more complex scene you can render on board.

Yeah, 770 is faster than 680 though for most applications and situations.

Greg
post #7 of 32
They'll both be extremely future proof for 1080p, choose whichever one is cheaper or if they're the same price the 770. The extra vRAM won't matter, especially at 1080p
post #8 of 32
Quote:
Originally Posted by JoeArchitect View Post

They'll both be extremely future proof for 1080p, choose whichever one is cheaper or if they're the same price the 770. The extra vRAM won't matter, especially at 1080p

Not totally true - If you play something like skyrim with the texture mods, 2gb will not save your life, even at 1080P. I have dual 680's and it brought these down to it's knees even at 1080p because of the vram limitation. The same would be said for a single 770, let alone the fact that a single GTX 680 wasn't going to suffice for me.

There are other games that will do the same as well.
     
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post #9 of 32
Do you have anything besides anecdotal evidence supporting this? Because my anecdotal evidence is completely opposite yours regarding modded Skyrim with 2GB vRAM and I've read multiple reviews that say the same thing. Even at 1440p there isn't a difference between 2 and 4 gb; I think the only game I've read of that actually ran out of vRAM at that res was Hitman: Absolution or Arma 2 or 3.

Here's a bunch of benches:

http://alienbabeltech.com/main/gtx-770-4gb-vs-2gb-tested/3/

The only time you'll see a difference is when you start going to 3 monitor setups and enabling AA, but at that point the framerate is slow low it's unplayable anyway.
Quote:
Originally Posted by Balsagna View Post

Not totally true - If you play something like skyrim with the texture mods, 2gb will not save your life, even at 1080P....
post #10 of 32
Sure - I'd rather trust my own testing, then some biased website (not that they are all biased or that site is biased) but I remember doing a couple benchmarks when I had both 7970's and 680's and they never added up the same as they did, running the same hardware and the same tests (usually they'll give a setting somewhere to make things 'playable') if that makes sense.

Anyways, quick snapshot of skyrim at 1920x1080p WITHOUT an ENB

http://prntscr.com/3cpv7z

1.7gb, and as I said, when I enable ENB's, it's not even playable with the amount of texture mods I have, furthermore, doesn't the GTX 680's not allow you to even use the full 2gb? Basically the 1.7 is maxed out, and to make it fair, that's as I alt tabbed out to take the screenshot, which somewhat lowered it, not much though since I was quick, but it was really at 1,845,560 and climbing (and I was just in the first city (whiterun is it?)
     
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