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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 49

post #481 of 38704
450

Add me to the list!

Both cards at 1100 / 1375. PowerColor brand.
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My System
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post #482 of 38704
Quote:
Originally Posted by Levesque View Post

Guys. 1350/1750 with an EK waterblock here. Nothing fancy. Tiborr of EK. No volt mods. Vanilla OC. smile.gif

1400 is not far. The 7970 is really cold sensitive. The lower the temp, the higher the OC. thumb.gif

What a beast.

375


Those are some mighty fine numbers, though you could update your Heaven to 2.5 rolleyes.gif
post #483 of 38704
Guys, stop it. I CLEARLY said those results were from tiborr working for EK, not me!

EK waterblocks are not on the market right now, only next week! tiborr just gave us a tease on what a vanilla 7970 can do with a waterblock, without any volt-modding or any other fancy things like LN2. That's all.

Ask all those questions to tiborr, not me! He's posting on OCN. He's an EK rep. biggrin.gif
    
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i7-5930k @ 4.9  i7-3930k @ 5.1 (2nd rig) Asus Rampage V (X99) + Asus Rampage IV (2nd rig) 2X Nvidia 1080 Ti SLI watercooled 
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post #484 of 38704
An update for me: after further benching I had to drop to 1120Mhz on stock volts; 1135 was artifacting in some games. I finally had time to finish benching new card vs GTX 580 Lightning, so without further adieu, here, as promised earlier, are the numbers for GTX 580 Lightning stock / 930Mhz GPU OC vs 7970 stock / 1120Mhz GPU OC.

System in sig, drivers: nvidia - 295.18, amd - 7.14.10.0890.

3D Mark 11 performance:

Lightning 580 stock

388

Lightning 580 930Mhz

393

7970 stock

378

7970 1120Mhz

378

Stock 7970 is faster than stock 580:
overall score 14%
test 1 18%
test 2 31%
test 3 14%
test 4 12%
combined test 3%

7970 @ 1120 is faster than 580 @ 930:
overall score 18%
test 1 23%
test 2 41%
test 3 18%
test 4 19%
combined test 4%

Going from 925 to 1120 (21% OC) on 7970 netted 12% performance increase.

Aliens vs Predators:

stock 580

406

580 @ 930

406

stock 7970

406

7970 @ 1120

406

stock 7970 is faster than stock 580 by 17%
7970 OC is faster than 580 OC by 22%

21% overclock on 7970 resulted in 10% better performance.

Crysis 2

stock 580

341

580 @ 930

341

stock 7970

341

7970 @ 1120

341

stock 7970 is faster than 580 on avg 4%
However, minimum FPS are 38% lower compared to 580

7970 OC is faster than 580 OC on avg 7.5%
And again, 580 has 10% better minimums.

7970's 21% OC resulted in 13% increase in avg FPS.

Heaven 2.5

stock 580

338

580 @ 930

338

stock 7970

338

7970 @ 1120

338

stock 7970 is 10% faster than stock 580
7970 OC is 23% faster than 580 OC

21% OC on 7970 translated into linear performance increase: 21% better FPS.

part II with more tests to follow shortly.
post #485 of 38704
GTX 580 Lightning vs 7970 part II

Lost Planet 2

Settings, 1920x1080

310

580 stock

338

580 @ 930

338

7970 stock

338

7970 @ 1120

338

7970 stock is 4% faster than 580 stock
7970 OC is 5% faster tnan 580 OC
21% OC on 7970 translated into 9% better performance.

Considering that LP2 greatly favors NV hardware, I'm surprised to see 7970 pull ahead at all.

Metro 2033

Settings

414

580 stock

415

580 @ 930

409

7970 stock

417

7970 @ 1120

409

Based on Run 2, 7970 stock is 6% faster than Lightning.
7970 OC is 13% faster than Lightning OC.
21% OC on 7970 translated into 11% better performance.

Stalker Call of Pripyat

Settings

300

580 stock

348

580 @ 925 (evidently, my 930 OC wasn't as stable as I thought) smile.gif

348

7970 stock

348

7970 @ 1120

348

7970 stock is faster than Lightning stock in:
day 11%
night 11%
rain 9%
sunshafts (the most demanding test) 20%

7970 OC is faster than Lightning OC in:
day 19%
night 19%
rain 17%
sunshafts 26%

21% OC on 7970 netted 15% increase in performance in sunshafts test.

That was all the benches I was able to run for 580 before the swap. Regarding temps and noise: I set more aggressive fan curve in AB to keep it cooler. Generally, GPU hovers around 75C with fan @ 50%. My ambient was 72-73F. Noise-wise, its not that bad @ 50% fan. Pretty bearable. Anything more is loud to me though.

Overall, I like the card. Next step - play with voltage and see how high I can take it on stock cooler.
Edited by DimmyK - 1/12/12 at 11:10am
post #486 of 38704
Keep in mind lightnings are factory overclocked.
Ruby
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Ruby
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[OCZ] Vertex 3 + [WD] VelociRaptor 600gb Gen3 +... [SONY] Optiarc DVD+RW Combo [EK] Res/Rad/Pump + [Koolance] CPU-360 block + ... [Microsoft] Windows 7 Ultimate x64 
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post #487 of 38704
Quote:
Originally Posted by DimmyK View Post

An update for me: after further benching I had to drop to 1120Mhz on stock volts; 1135 was artifacting in some games. I finally had time to finish benching new card vs GTX 580 Lightning, so without further adieu, here, as promised earlier, are the numbers for GTX 580 Lightning stock / 930Mhz GPU OC vs 7970 stock / 1120Mhz GPU OC.

System in sig, drivers: nvidia - 295.18, amd - 7.14.10.0890.

3D Mark 11 performance:

Lightning 580 stock

388

Lightning 580 930Mhz

393

7970 stock

378

7970 1120Mhz

378

Stock 7970 is faster than stock 580:
overall score 14%
test 1 18%
test 2 31%
test 3 14%
test 4 12%
combined test 3%

7970 @ 1120 is faster than 580 @ 930:
overall score 18%
test 1 23%
test 2 41%
test 3 18%
test 4 19%
combined test 4%

Going from 925 to 1120 (21% OC) on 7970 netted 12% performance increase.

Aliens vs Predators:

stock 580

406

580 @ 930

406

stock 7970

406

7970 @ 1120

406

stock 7970 is faster than stock 580 by 17%
7970 OC is faster than 580 OC by 22%

21% overclock on 7970 resulted in 10% better performance.

Crysis 2

stock 580

341

580 @ 930

341

stock 7970

341

7970 @ 1120

341

stock 7970 is faster than 580 on avg 4%
However, minimum FPS are 38% lower compared to 580

7970 OC is faster than 580 OC on avg 7.5%
And again, 580 has 10% better minimums.

7970's 21% OC resulted in 13% increase in avg FPS.

Heaven 2.5

stock 580

338

580 @ 930

338

stock 7970

338

7970 @ 1120

338

stock 7970 is 10% faster than stock 580
7970 OC is 23% faster than 580 OC

21% OC on 7970 translated into linear performance increase: 21% better FPS.

part II with more tests to follow shortly.
THANK YOU! some HONEST numbers! +1 rep thumb.gif Guess I'll be joining this club tomorrow.
post #488 of 38704
I hit a problem this morning that I'm hoping does not mean I killed my card. Last night gputool was giving me around 485 fps during stability testing at 1140MHz on stock voltage. That was after I flashed the ASUS BIOS but it matched exactly what I was getting when running on the stock Sapphire BIOS. This morning I fired it up again to test with higher fan settings and now I'm only getting ~200fps!! I hope this doesn't mean I damaged the card. I did kill every gputool test as soon any artifacts showed up so I'd be surprised if the card was damaged. Cleaning and reinstalling the drivers did not help. I'm reinstalling my system now in the hope that fixes the problem.

Any of you encounter a similar drop in gputool?
post #489 of 38704
DimmyK - Thanks for the 580 comparisons. I'm not convinced a 10 - 20% increase is enough to sell a GTX580 and upgrade. Perhapse if you were looking to buy new and didnt have a GTX580 already but it seems a little pointless on a single monitor making the switch? Eyefinity is well worth it though if your into that kind of stuff
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Intel Gaming PC
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Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
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Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
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post #490 of 38704
Man this card is noisy!
Oh well... Hopefully there will be cards with pre mounted WC block on it!
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