4870x2 CF - i7 920 @4.4+ Ghz Air Benching DFI Style!

[eva2000]

HD4870x2 CrossfireX with i7 920 still on TRUE120 air cooling

System specs

• Intel Core i7 920 3836A756
• Thermalright Ultra 120 Extreme + LGA1366 Bolt Thru kit + 2x 120x38mm Scythe UltraKaze 2000rpm 87cfm fans in push/pull
• DFI LP UT X58-T3EH8 R.A51 - 01/06 beta bios
• HIS HD4870x2 + Gigabyte HD4870x2 both flashed to Asus TOP bios - CAT 8.12 Official Drivers
• 3x1GB Samsung HCF0 based - 2x1GB Corsair DDR3-2133C9DF Dominator + 1GB G.Skill PC3-12800HZ
• Ram cooling: 3x 60x25mm Sunon 23.5cfm Maglev fans
• 750GB Samsung HD753LJ
• 4x32GB OCZ Core V1 SSD Raid 0 + Highpoint RR3520LF PCI-E Raid controller 256MB Cache
• Pioneer DVD-RW
• 1KW Corsair HX1000 psu
• Vista Ultimate SP2 Beta 64bit vLite'd

While my HIS HD4870x2 can do 850-860Mhz on GPU, my Gigabyte HD4870x2 hits a wall at <840Mhz, so settled for 837Mhz on GPU in CrossfireX. Weird GPUZ v0.31 isn't registering my ATI CCC set GPU/MEM clocks ??

System peak wattage draw = ~915 watts! (probably need a beefier psu ? )

• 3dmark06 @837/985 = 29,412
• 3dmark05 @837/995 = 37,175
• 3dmark2003 @837/1000 = 127,708 <- some reason I haven't been able to publish 3dmark2003 results with HD4870x2 lately ??
• 3dmark vantage = unable to bench keep getting create pixel shader failed message in cpu tests even at stock cpu/gpu settings ? Vista SP2 Beta 64bit related ?

[Amey]

Nice scores there Eva. Keep it up

[EnJoY]

Nice stuff George. How are you liking the new DFI X58? I know you love to tweak their BIOS probably more than anybody.

[Hazzan]

Nice result George....I will try soon my UT X58 with GTX 295 SLI later...

[TheKarmakazi]

Nice work as per usual! Always look forward to your threads

[miahallen]

06 CPU test at 1.552V on AIR!!!
You're going to kill that poor thing!

[eva2000]

Nice scores there Eva. Keep it up

thanks

Nice stuff George. How are you liking the new DFI X58? I know you love to tweak their BIOS probably more than anybody.

lovin' to bits - easiest oc'ing board I've ever had all the way back to P35 chipset hehe

Nice result George....I will try soon my UT X58 with GTX 295 SLI later...

nice.. looking forward to some GTX 295 SLI numbers on DFI X58 - gives me an idea of what I'm missing out on without the $$$ for GTX 295s

Nice work as per usual! Always look forward to your threads

thanks mate

06 CPU test at 1.552V on AIR!!!
You're going to kill that poor thing!

heh, seems to be handling it like a champ so far

[PcCI2iminal]

what to say George???


I'm jealous ..........


:P

[eva2000]

thanks.. your 920 ain't bad either

[fubarswe]

.., very impressive airruns.., congrats!!! :-)

[HDCHOPPER]

man that is 1 beautiful setup you got thier bro !!

killer clocks too

so how do you enable or get ati overdrive in ccc ? mine doesnt have it using 8.12

[eva2000]

.., very impressive airruns.., congrats!!! :-)

thanks more to come once I sort out my 228+ bclk stability voltages

man that is 1 beautiful setup you got thier bro !!

killer clocks too

so how do you enable or get ati overdrive in ccc ? mine doesnt have it using 8.12

thanks, i just hit the unlock padlock pictured in overdrive to get to adjust the sliders

[Solarfall]

sweet clocking there eva btw how much does that ocz sdd drive help in 3d (or does it help at all) ?? im starting my own 3d benchies with the dfi board today i just have to get my vmods on my evga 9800 GTX to work like they should

[eva2000]

thanks... ssd don't help much at all for 3d AFAIK... it's for when i do pcmark05

[Solarfall]

HOT DAMN !! that pc mark score sure is a sexy one

[Hondacity]

were you able to retest this with a bigger power supply?

[ZoLKoRn]

huh... nice result for all on air system eva

plz....pushing it under sub-zero

[perkam]

Whoa...Awesome stuff Eva....and when did you become Xtreme Legend Congrats

Hope your forums are going well, very good numbers there for air

Perkam

[eva2000]

were you able to retest this with a bigger power supply?

looking back I don't think it was the psu holding me back as 915W was draw from wall so at 80% efficiency means around 730W draw on system.

huh... nice result for all on air system eva

plz....pushing it under sub-zero

Thanks both my i7 920 3836A758 can do this on air cooling - one needs a bit more vcore but it also has better max bclk needing less cpu vtt Only have my Kayl Black Frozen SS 1/4HP here but it doesn't have LGA1366 mounting gear only LGA775 so will be a while.. H20 coming up next though as I just ordered a Fesser 480 rad which I'll pair up with Swiftech Apogee GTZ. Wonder if that is enough for 4.6+ HT enabled 3dmark ???

Whoa...Awesome stuff Eva....and when did you become Xtreme Legend Congrats

Hope your forums are going well, very good numbers there for air

Perkam

haha been an Xtreme Legend for years hehe

Been busy with memory clocking side of X58/i7 platform lately - figuring out the ins and outs

[SNiiPE_DoGG]

youknow, I always try to tell people this board is seriously one of the best boards around.... noone believes me

[eva2000]

Revisiting my 4870x2cf with same cpu but new Win7 RC OS

System:

• i7 920 3836A756
• EK Supreme LT 1366 / FESER 480 / MCP655
• DFI UT X58-T3EH8 04/28 beta
• 2x HD4870x2 Crossfire (Powercolor + Gigabyte flashed to Asus Top bios) with ATI Win7 9.4 (8.612 WHQL)
• 6GB Corsair Dominator GT DDR3-2000Mhz 7-8-7-20
• 750GB Samsung SATAII
• Silverstone OP1200 PSU
• Triple boot - WinXP Pro SP3 / Vista Ultimate 64Bit SP2 / Win7 Ultimate 64bit RC

First time using HD4870x2 CF on Win7 64bit RC OS and first time I've broken 30K mark in 3dmark06 and did it without even touching GPU/MEM clocks yet!



Personal best for 3D Vantage as well and with just stock GPU clocks!

[makaka]

i am in love with the PCmark :-)

[George_o/c]

Eva great benching mate. I suppose that 4870X2s are still worth benching, mainly 'cause I just saw a kick-ass 2k6 30k score with 2 of 'em @ stock clocks

Keep us updated, I wanna see these hot ladies in red being harassed ... overclocking-wise

[eva2000]

i am in love with the PCmark :-)

yeah I was until folks started capping SSD powered component scores heh

Eva great benching mate. I suppose that 4870X2s are still worth benching, mainly 'cause I just saw a kick-ass 2k6 30k score with 2 of 'em @ stock clocks

Keep us updated, I wanna see these hot ladies in red being harassed ... overclocking-wise

Thanks.. i'm just glad the drivers work - wasn't too great driver wise with vista 64bit sp2 and previous drivers even for pulling off stock runs in vantage had app errors hehe.

[George_o/c]

Have you noticed as well "the boost" you get when benching Vantage on Windows 7 ?

@makaka: I don't want to start an off topic in eva's thread, but I wouldn't personally spend like 1200€ to buy 3 IRams and bench ONLY PCMark05 ... It's a shame that the breathtaking performance deriving from SSDs in Raid 0 is limited due to these stupid caps We want a new PCMark Futuremark ...