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7970 vs 680 thread.

overcrocker said:
Sorry if my questions sound stupid. The last PC I built (Thanks to OCUK for supplying me with the goods ;) ) was 7/8 years ago and was a 78N-E Deluxe mobo, 6800 GT GPU and AMD 3400+ CPU, 1 GB Corsair XMS.

I'm wondering if anyone in this thread can get a minimum of 60 fps at all times on the likes of Cysis 2 DX11 and BF3 at 1080p with v-sync enabled and every single graphics setting set to max?

What would it take to achieve this?
Click to expand...

Its fairly easy with 3 cards but depends on the benchmarked level/timedemo used. I built my rig (3x7970) to do 120fps at 1080p and 60fps at 1600p
 
RavenXXX2 said:
Running 3DM11 on a GTX260 might prove impossible :p just saving up some cash and then probably gonna jump on an 680 early April.
Click to expand...

All good bud :)

555BUK said:
You score improves very little for +200 setting. Try +100 or +150 and you will probably get a higher score. My guess is that the card is throttling due to hitting the voltage ceiling.
Click to expand...

Maybe you are correct but I have spent the whole afternoon/evening changing all setting and going up in small increments untill I got a stable clock.

I did try at 100 and 150 (ish) but they wasnt as good a score.

177 is the most I can get in heaven stable (for now) but 200 in BF3 seems fine. I feel this is a voltage thing as the card is just not getting hot at all. I do hope the newer OC tools can make a stable voltage and clock. Maybe a BIOS falsh.

I was just trying to give guys a look at a GPU intensive game and to see how the fps measured up with and without clocking.
 
TAC4U said:
With my GTX680 I managed +188MHz core, +350MHz memory with power at 125% and fan speed on auto, with a slightly increased curve (not running it maxed out like many people) - that gave me P10814 in 3DMark11. Unfortunately it was unstable in Heaven, so I had to drop it down to 171/274. I've still got a lot more testing to do and I'm confident I should be able to increase that a bit more but I'm pretty happy. And the fan is dramatically quieter than the HD5970 I had before.
Click to expand...

Let me know how you get on - I'm in a similar boat (170/410 is my stable overclock in Heaven)
 
7970 is clearly a winner at high resolution in most heavy games. After overclocking
Like that and better:
58.png
 
gregster said:
OK I have done the 3Dmark11 bench and it bombed out on me on the cpu test after a couple of seconds and then again in exactly the same place. I dropped the clocks on the GPU and it done it again BSOD. I dropped the cpu to 4.4 and it ran fine getting me a score of 9981. I upped the clock to 206 and this got me over the 1000 score :)

screen2.jpg


3dmark1000-1.jpg


If I went any higher on the clock it would not have it and the test would just end with "The display driver stopped responding and has recovered error" (I think a little more volts would allow it to do it though).
Still a 1342 clock is good :D
gregster said:
3DMark Score

P10015


--------------------------------------------------------------------------------

Graphics Score

11388


--------------------------------------------------------------------------------

Physics Score

7224


--------------------------------------------------------------------------------

Combined Score

7562


--------------------------------------------------------------------------------

GraphicsTest1

55.02 FPS


--------------------------------------------------------------------------------


GraphicsTest2

52.99 FPS


--------------------------------------------------------------------------------


GraphicsTest3

68.5 FPS


--------------------------------------------------------------------------------


GraphicsTest4

34.32 FPS


--------------------------------------------------------------------------------


PhysicsTest

22.94 FPS


--------------------------------------------------------------------------------


CombinedTest

35.17 FPS



Antec truepower 750.

Strange on the cpu because I have never had to drop it before but it was the only way to get it stable?
Click to expand...
Click to expand...
7970 1305Mhz on the GPU but with 12.4 Betas
757677.jpg

http://www.xtremesystems.org/forums...t-Here!-quot&p=5073648&viewfull=1#post5073648

Sapphire 7970, 1325Mhz 12.3 catalyst
3dmark11novi12732.jpg
 
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humbug said:
Where did that come from?
Click to expand...

It's hot linked from a Russian site which is very naughty (hotlinking that is).

FYI your sig. needs a little fixing.

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Click to expand...
 
What is that chart for though, overall, or just one game, my russian is a little rusty.

With the variable overclocking headroom on these cards, i think for the next few weeks/months we are going to be getting charts showing the two cards taking turns coming out top, unfortunately that means that price drops are very unlikely.
 
sand_dune said:
7970 is clearly a winner at high resolution in most heavy games. After overclocking
Like that and better:
58.png
Click to expand...
Your kidding right? My nan could produce a more realistic performance chart. She would atleast add a title and list games/settings.

edit: Despite the naffness of the graph. it is possible, dependent on games tested and how well individual cards clock. However, thesre is nothing in it.
 
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Got bored since my third 680 isn't in to run my 3x FW900 setup so I tested one FW900 at 2560x1600 with each applicable game having all settings maxed.


580vs6802560x1600.jpg



The most VRAM use I saw in BF3 was 1930 MB, Crysis 2 was 1971 MB, and the most in Skyrim was 2028 MB, all with no slow-downs with the 680's. The other games were well under 2GB usage.

I am not sure if the limit on the 8x/8x PCI-E 2.0 slots were hurting the 680's more than the 3GB 580's but the 680's in SLI only ended up an average of 24% faster than the 580's. A bit lower than I was expecting.

There was an anomaly that I reproduced having over 100% scaling in 680 SLI Skyrim. If you include that result, SLI scaling is a perfect 100%. If you exclude that result and go off the other four games, the SLI scaling is 90%. Still pretty darn good. As for the reason Skyrim was scaling so incredible in SLI, might be a driver issue with single card as in both instances the GPU's were at max utilization.
 
555BUK said:
I am sure fans on both sides can agree that overall performance is pretty much the same for both cards, at stock and overclocked. Prices are also the same, so the only differences are what colour you prefer (green vs red), whether the 3GB on the 7970 matters to you, or whether NVidia's extra features (Physx, 3DVision, turbo boost) rock your boat.

Is one card better than the other? The answer is yes, but it differs dependent upon your priorities. For me the 680 looks better (various reasons), but I appreciate why some would prefer the 7970. Both are good, yet both are overpriced. My biggest issue with either is the price.
Click to expand...

+1 completle agree
 
Vega said:
snip
Click to expand...

Vega didn't you have Tri 7970s? Sorry if you have answered this already but what did you do with them? Have you still got them?

If you do have them, any chance you could do a comparison benchmark on the popular titles such as BF3/Skyrim/Crysis 1 would be good.

One benchmark stock speeds

One benchmark max stable OC you can get

Would love to see that from a user.

Also have you got the 680s working with your 5x1 portrait? :D
 
RavenXXX2 said:
Any chance you can run the crysis benchmark tool? with all very high settings, 4xAA and dX10, 3 loops. If you could run the default benchmark as well as the harbor bench that would be great.
Click to expand...
I have no idea what constitutes good results but on my first run this is my result - 77.095fps @ 1080p. As I said, I'm still playing around with my overclock a lot but this was stable and the fan noise was perfectly acceptable. Could someone please tell me whether my score is in the right area or whether I have issues with my config?
 
555BUK said:
Your kidding right? My nan could produce a more realistic performance chart. She would atleast add a title and list games/settings.

edit: Despite the naffness of the graph. it is possible, dependent on games tested and how well individual cards clock. However, thesre is nothing in it.
Click to expand...

That is an average of following games at 2560x1440 resolution and 7970 is a winner:

They are not old games that are so liked by many English spoken websites. You wont find here stuff like cod2 or BF2.

Data from Overclockers.ru website (it doesn't sell anything) and is correct.

3DMark 2011
Unigine Heaven
Metro 2033
Aliens vs Predator 3
Star Craft II
Battlefield III
Total War Shogun II
Colin McRae Dirt III
Batman: Arkham City
Crysis 2
The Elder Scrolls V: Skyrim
F1 2011
The Witcher 2: Assassins of Kings
Hard Reset
Deus Ex - Human Revolution

Again:
58.png
 
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