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Which graphics card for my system - 770 v 7970

Its upto you but i also have a thread on here as i was in the very same boat and made my mind up fiannly about 5min ago lol. If it helps you in any way im going with the 770 simple reason http://www.overclockers.co.uk/showproduct.php?prodid=GX-219-EA&tool=3 read the first review, after all is said and done and we've all looked at benchmarks when somone says what he is saying it all becomes clear (to me at least)

He's just spent £300 on a sidegrade, of course he's going to tell himself and others that there's a massive difference.

It's called purchase justification syndrome. People get it really bad when they spend money on stuff and there's no difference.

If you want to see it at its worst/best look up expensive audio/video cables.

http://www.anandtech.com/bench/Product/768?vs=829
 
Its upto you but i also have a thread on here as i was in the very same boat and made my mind up fiannly about 5min ago lol. If it helps you in any way im going with the 770 simple reason http://www.overclockers.co.uk/showproduct.php?prodid=GX-219-EA&tool=3 read the first review, after all is said and done and we've all looked at benchmarks when somone says what he is saying it all becomes clear (to me at least)
So you based you puchase on someone claiming the 770 can hold frame rate at consistent 60-90fps on Crysis 3 at Ultra 1080p...? Hmmmm...

Also you do realise many Crysis 3 bench were tailered to Nvidia's instruction, cleverly avoiding settings that would hit the performance of the hardest?
 
Its upto you but i also have a thread on here as i was in the very same boat and made my mind up fiannly about 5min ago lol. If it helps you in any way im going with the 770 simple reason http://www.overclockers.co.uk/showproduct.php?prodid=GX-219-EA&tool=3 read the first review, after all is said and done and we've all looked at benchmarks when somone says what he is saying it all becomes clear (to me at least)

Sorry to rain on your parade but you will get similar performance. That review posted sounds like a classic example of PEBKAC. However as long as you're happy with the new card thats all that matters.

Latest drivers

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A single GK104 chip running the Hitman Absolution bench @1080p totally maxed out

Not the fastest run I have ever seen but it has got higher minimums than the HD 7970 seen in earlier posts. Hang on a minute, lack of vram really hits the minimum fps so why is the HD 7970 doing so bad.:D

svux.jpg
 
A single GK104 chip running the Hitman Absolution bench @1080p totally maxed out

Not the fastest run I have ever seen but it has got higher minimums than the HD 7970 seen in earlier posts. Hang on a minute, lack of vram really hits the minimum fps so why is the HD 7970 doing so bad.:D

svux.jpg
The screenshot doesn't say much as it doesn't even show the hardware used.

If really have to go by your word on the hardware use, the simplest answer I could think of for the so called "7970 doing crap" is most likely because of the test systems being different- particularly an AMD platform rather than Intel platform, as Hitman are known to not use beyond 4 cores. By using the FX-8350 alone would be at least around 10fps behind the Ivy i5 3570K, even on the same graphic card.
 
The problem with that result Kaap is its not what they benched. They benched a particular part of the game where vram usage is high. The benchmark is more about gpu grunt, than using lots of vram. You can see this by monitoring the vram.

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That said though i couldn't resist a comparison bench with my £180 7950. ;)

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Then my £360 crossfire setup.

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My scores would be higher, but sadly im a bit cpu bottlenecked at this res.
 
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Hey wait a minute, the same site has this review on it? WHAT!

In this apples-to-apples test we raised all the in-game settings to the highest values at 1920x1080. We also enabled 8X MSAA at this resolution, this is the highest AA level available. At these settings, the ASUS GeForce GTX 770 DC II averaged 54.7 FPS. It performed 8.5% faster than the GeForce GTX 680. The Radeon HD 7970 GE averaged 61.2 FPS which is 11.9% faster than the stock ASUS GeForce GTX 770 DC II video card. The overclock brought the performance up to 61.9 FPS, a 13.2% performance gain compared to the stock video card.

http://www.hardocp.com/article/2013..._directcu_ii_video_card_review/8#.UfOGTY3VDcg

The 680 did not run out of bandwidth / Vram or grunt at the same settings as the one posted earlier.

It does it doesn't or does it.
 
LTmatt, Is this a case of your 7950 overclocked vs a 680 stock though?

Yes my card was overclocked, i expect Kaap's was as well knowing him.

Hey wait a minute, the same site has this review on it? WHAT!

In this apples-to-apples test we raised all the in-game settings to the highest values at 1920x1080. We also enabled 8X MSAA at this resolution, this is the highest AA level available. At these settings, the ASUS GeForce GTX 770 DC II averaged 54.7 FPS. It performed 8.5% faster than the GeForce GTX 680. The Radeon HD 7970 GE averaged 61.2 FPS which is 11.9% faster than the stock ASUS GeForce GTX 770 DC II video card. The overclock brought the performance up to 61.9 FPS, a 13.2% performance gain compared to the stock video card.

http://www.hardocp.com/article/2013..._directcu_ii_video_card_review/8#.UfOGTY3VDcg

The 680 did not run out of bandwidth / Vram or grunt at the same settings as the one posted earlier.

It does it doesn't or does it.

Their results here are strange. The 680 has higher minimums and maximums than the 770, which is a 10% faster card? Also look how low the 7970 minimum is in the final test, yet the 7970 minimum is much higher in the tests above and even the 770 oc is still a few fps behind it. Looks like they may have had a gremlin in the system this time around.
 
This one is 2560 res with 4xMSAA, whereas the other one is 1920 res with 8xAA. If this shows anything, it really shows that having high enough memory bandwidth plays a crucial part in maintain performance when using AA. 8xMSAA even at 1920 res most likely made the frame rate of the 770 fell off from the face of the earth due to the low memory bandwidth, and even if GPU grunt was fast enough (i.e. Going SLI 770), the frame rate loss would still so huge, that people would have no choice but to play on 4xMSAA instead of 8xMSAA, even with GPUs as powerful as SLI 770.

Even though my Quadfire was doing well even today i could tell the 256 bit bus was holding them back at times when i turned up AA in some games as i was still way from tapping out GPU load but the fps hit was greater than it should have been due to bandwidth.
 
Anyway...after all these discussion, it still bring back the fundamental question of- on the ground of GPUs being equal, what's the merit of and WHY going for a card which the 2GB vram and 256-bit (lower memory bandwidth to be more exact) can and most likely would become and issue in the future over a card that has 3GB vram, and 384-bit (higher memory bandwidth) when both are priced the same?

I would love to toss in the good old "Nvidia drivers are better and more reliable", but their more recent drivers proves otherwise (for gamers at least) :(
 
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