GTX280/260 Overclocking Results - Page 2

Revs · 06-25-08, 09:48 AM

OK, cheers guys, i'll stick to RT. My GTX260's arrived this morning about ten minutes after getting to work

. They've been teasing me all day, can't wait to get home

.

CAUTION · 06-25-08, 10:18 AM

Nice REVS, and good luck with the new cards.

Revs · 06-25-08, 02:48 PM

Quote:

Originally Posted by CAUTION

Nice REVS, and good luck with the new cards.

Cheers bud

OMG these things OC like nothing i've ever known. The only reason I stopped where I did is the memory wouldn't increase any more and the GPU clock was starting to scare me

. The shader started to clip at 1490mhz so I backed it off 10mhz. You can see the GPU temps on the pic (FurMark only uses one card).

I'm gonna do some benching now. With the CPU at 4.05Ghz (450x9) and the cards at stock clocks I got just over P12197 Vantage points (no physics driver) which I thought was very poor indeed, but I suspect it's CPU limited at such a low res.

EDIT:
Pic removed due to a problem with RT causing BS clocks.

The max stable OC was 740/1475/1280 (100% fan, 68*C), still very pleased with that

Uberpwnage · 06-25-08, 03:02 PM

That ram clock must be off right? 1500 is too low and 3000 is way too high...

Revs · 06-25-08, 03:05 PM

Quote:

Originally Posted by Uberpwnage

That ram clock must be off right? 1500 is too low and 3000 is way too high...

Yeah you're right. For some reason it messed up. When I closed and opened it again it was at stock (just the memory) and the GPU was at 740mhz. Gonna retest now.

spajdr · 06-25-08, 03:39 PM

Doesnt matter how much you set GPU, its tied to shader clock, you can even type 850Mhz and it will run without problem, but not speed difference, so only linked mode makes a difference.

Shocky · 06-25-08, 03:39 PM

Running memory at 1300(2600) now, 166.4GB/s of memory bandwidth.

Blacklash · 06-25-08, 04:38 PM

Question for the OC experts-

I can run 721|2600 1552 linked, or I can unlink and raise the core further to 742. So it will be 742|2600 1552. Is there any real benefit after you unlink the shaders, or should I just settle for 721|2600 1552?

Best Vantage GPU score I've seen so far is 11.7k for GPU alone.

EDIT: ok Vantage linked 718|2600 1545 = 11627 GPU, unlinked 742|2600 1547 = 11706.

Revs · 06-25-08, 05:08 PM

I've gone for 700/1400/1200. Well within stable limits and the fans are at 55%. I've just had a blast on Crysis and they run at 60/70*C in game. I'd say the FPS have gone up about 70% (compared to my GT's) in Crysis64, with DX9 VH (all settings forced). Very playable now with 30-60 avg FPS at 1920x1080

. AA doesn't work though

Just need to do a couple of benchies again.

Blacklash · 06-25-08, 05:25 PM

Well that's it for my core/shader 742/1547 unlinked. Any higher = trouble.

Revs · 06-26-08, 04:12 AM

Quote:

Originally Posted by slaWter

Very nice Revs! Enjoy your new 260's!

Cheers

I think it was a worthy upgrade. Very pleased with how it's running. Crysis64 DX9 with tweaks is sooo smooth now

. DX10 is pap though. If nVIDIA get TriSLI to scale better I might even get a third card but ATM the scaling isn't good enough IMO.

Revs · 06-26-08, 04:18 AM

Quote:

Originally Posted by spajdr

Doesnt matter how much you set GPU, its tied to shader clock, you can even type 850Mhz and it will run without problem, but not speed difference, so only linked mode makes a difference.

RivaTuned won't allow the GPU core speed past 740Mhz for me but over 700Mhz there was no performance gain anyhow. The shader and memory clock made a nice difference though.

Just a note about the fan. On full it is very noisey, but the ammount of air it'll blast through is amazing. It's like a leaf blower. The sweet spot is 55%, nice and quiet but with good air flow. I might mod the grill where the air comes out to increase air flow a bit.

Quote:

Originally Posted by Blacklash

Best Vantage GPU score I've seen so far is 11.7k for GPU alone.

16910 on 'P' mode, 11905 on 'H' mode

But that's in SLI. Did you mean for one card?

06-25-08, 09:48 AM	#13
Revs Registered User Join Date: May 2007 Location: UK Posts: 6,362	Re: GTX280/260 Overclocking Results OK, cheers guys, i'll stick to RT. My GTX260's arrived this morning about ten minutes after getting to work . They've been teasing me all day, can't wait to get home .

06-25-08, 10:18 AM	#14
CAUTION Registered User Join Date: Jan 2008 Location: Columbus, OH Posts: 134	Re: GTX280/260 Overclocking Results Nice REVS, and good luck with the new cards. __________________ Intel Core i7 940 2.9GHz OC @ 3.8 G.SKILL PI Black 3GB DDR3 2000MHZ Nvidia EVGA X58 SLI MotherBoard 2X BFG GTX295's in Quad SLI 9800GT for dedicated PhysX TOPOWER 1200 Watts Power Supply SLI Ready! Western Digital SATA-150GB-Raptor 2X Western Digital SATA-500GB-Caviar SE in RAID 0 CM COSMOS S Custom Case 2X Gateway XHD3000 30" Widescreen HD LCD Monitor Notebook: HP Pavilion dv9820us

06-25-08, 03:02 PM	#16
Uberpwnage Registered User Join Date: Feb 2006 Posts: 898	Re: GTX280/260 Overclocking Results That ram clock must be off right? 1500 is too low and 3000 is way too high... __________________ Core i7 980x @ 4.4GHz - EK Supreme HF - BlackIce GTX 360 - MCP655 - Rampage II Extreme BIOS 1639 - EVGA GTX 480 SLI - Corsair Dominator 3x2GB DDR3 1600 2 x 1TB Samsung F1 RAID 0 - Plextor PX-880SA DVD Burner - Dell 3008WFP - Silverstone Zeus 1200w PSU - Lian Li PC-P80 - Razer Mamba - Logitech G15 v2 Windows 7 x64, 3DMark06:30000, 3DMark Vantage: P38000 Eurocom M860TU: X9100 - 9800M GT - 2x2GB OCZ DDR3 1333 - 320GB 7200rpm - 15.4in 1920x1200

06-25-08, 03:39 PM	#18
spajdr Registered User Join Date: Apr 2004 Location: Czech Republic Posts: 347	Re: GTX280/260 Overclocking Results Doesnt matter how much you set GPU, its tied to shader clock, you can even type 850Mhz and it will run without problem, but not speed difference, so only linked mode makes a difference. __________________ ASUS Rampage II GENE + Intel i7-920 @ 3.8 GHz + Noctua NH-U12P SE1366 6GB RAM OCZ Intel Extreme XMP 1600MHz / Gainward Geforce GTX470 SLI 1x30GB SSD OCZ Vertex Turbo (system) / 2x30GB SSD OCZ Vertex RAID 0 (games) 23.6" Acer GD245HQBID + 3D Vision / PSU Nexus RX-8500 850W / Asus OC STATION

06-25-08, 03:39 PM	#19
Shocky Registered User Join Date: Jul 2004 Posts: 986	Re: GTX280/260 Overclocking Results Running memory at 1300(2600) now, 166.4GB/s of memory bandwidth.

06-25-08, 04:38 PM	#20
Blacklash 8^9^3 Join Date: Oct 2003 Location: Old Vizima Posts: 3,679	Re: GTX280/260 Overclocking Results Question for the OC experts- I can run 721\|2600 1552 linked, or I can unlink and raise the core further to 742. So it will be 742\|2600 1552. Is there any real benefit after you unlink the shaders, or should I just settle for 721\|2600 1552? Best Vantage GPU score I've seen so far is 11.7k for GPU alone. EDIT: ok Vantage linked 718\|2600 1545 = 11627 GPU, unlinked 742\|2600 1547 = 11706. __________________ Intel Core i7 920 @ 3.96GHz (1.36v)\|Mushkin 998681 XP3-12800 (3x2GB) ASUS TUF Sabertooth (X58)\|ASUS GTX 580 DirectCU II (980\|4604)\|ASUS PA246Q WD VelociRaptor 150GB HD (x2)\|Pioneer DVR-2920Q\|LG GH22LS30\|Klipsch PM20 2.0 SilverStone OP1000-E\|SilverStone TJ10-B\|Thermalright U-120 Extreme\|Win 7 HP x64

06-25-08, 05:08 PM	#21
Revs Registered User Join Date: May 2007 Location: UK Posts: 6,362	Re: GTX280/260 Overclocking Results I've gone for 700/1400/1200. Well within stable limits and the fans are at 55%. I've just had a blast on Crysis and they run at 60/70*C in game. I'd say the FPS have gone up about 70% (compared to my GT's) in Crysis64, with DX9 VH (all settings forced). Very playable now with 30-60 avg FPS at 1920x1080 . AA doesn't work though Just need to do a couple of benchies again.

06-25-08, 05:25 PM	#22
Blacklash 8^9^3 Join Date: Oct 2003 Location: Old Vizima Posts: 3,679	Re: GTX280/260 Overclocking Results Well that's it for my core/shader 742/1547 unlinked. Any higher = trouble. __________________ Intel Core i7 920 @ 3.96GHz (1.36v)\|Mushkin 998681 XP3-12800 (3x2GB) ASUS TUF Sabertooth (X58)\|ASUS GTX 580 DirectCU II (980\|4604)\|ASUS PA246Q WD VelociRaptor 150GB HD (x2)\|Pioneer DVR-2920Q\|LG GH22LS30\|Klipsch PM20 2.0 SilverStone OP1000-E\|SilverStone TJ10-B\|Thermalright U-120 Extreme\|Win 7 HP x64

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