E8500 Retail Q740A493T better of 2 cpus

[eva2000]

To make it brief, posting the results of the better of 2x E8500 Q740A493T retail cpus. Full results of both cpus at http://i4memory.com/showthread.php?t=5322


E8500
Q740A493T
Pack Date 12/19/07
2L7****
**0909 & **1808



System

• Intel Core 2 Duo E8500 Q740A493T 2L7**** / **0909
• CPU Cooling: Dtek Fuzion Rad Tower Box
• Asus Blitz Formula 1205 bios
• 128MB Gainward FX5200 PCI
• 2x1GB Crucial Ballistix Tracer PC2-8500 dual channel kit (white dimm slots)
• Memory cooling: 120x25mm Thermaltake 81cfm fan
• 80GB Hitachi 7K80 SATAII
• Pioneer DVD-RW
• 620W Corsair HX620 PSU supplied by Corsair
• WinXP Pro SP2 Nlite Fully Updated.

1hr Prime95 @4000Mhz at 1.28v load



Really liking this 2nd E8500 **0909 cpu just has that little bit extra over my 1st E8500 in nearly all departments, higher FSB 540-555FSB vs 535FSB, lower vcore for 4000Mhz at 1.28v vs 1.304v and now more stable 4.5Ghz at 1.504v load/1.512v idle.

Wprime v1.55 32M and 1024M @4503Mhz 1.512v idle/1.504v load





Systool Dual 32M PI @4503Mhz 1.512v idle/1.504v load





SetFSB my way to 4602Mhz at 1.504v load for Wprime v1.55 32M!

[eva2000]

CPUZ Validation @4651Mhz - 8.5 x 547FSB



Super Pi 1M = 10.000s exactly @4618Mhz - 8.5 x 543FSB



Super Pi 1M = 9.953s @4638Mhz - 8.5 x 545FSB



Super Pi 32M = 10m 13.625s @4547Mhz - 8.5 x 535FSB

This set of 2x1GB Crucial Ballistix Tracer PC2-8500 didn't like 32M with tigher than tRAS 9 much, so might try a different set later. But 32M time seems a bit slow heh.



Wprime v1.55 32M & 1024M @4547Mhz - 8.5 x 535FSB

[eva2000]

Finally, Super Pi 32M under 10min.. took some extra cpu mhz to do due to low cpu FSB only @496FSB.

All runs below done with 1.68125v bios set (1.648v idle / 1.640v load)

CPUZ Validation @4851Mhz at 1.648v idle



Super Pi 1M @4745Mhz at 1.648v idle



Super Pi 32M @4712Mhz at 1.648v idle

[eva2000]

Loosened memory timings and set vcore to 1.70v bios (1.664v idle) and using setFSB see how far I can get E8500 for max cpuz validation. Seems got to 4942Mhz before it froze, the last saved cpuz validation was at 4896Mhz

[S1mon-]

Impressive chips ! Hope most of the retail one will clock the same

[CoolZone]

but aren't these retail chips?

[Robilar]

EVA stated they are retail in his first post

[S1mon-]

Originally Posted by CoolZone

but aren't these retail chips?

I didn't say they were not retail, but I hope that kind of clock will be the norm for everybody.

[metro.cl]

nice resutls and good chp, all of this is with just watercooling right?

[Zeus]

Very nice CPU's!

I need one of these.

[Achill3uS]

I hate you eva
very nice results, and thanks for share
btw have you test max fsb on 6x multi?

[lukas69]

Great result Eva
i receive 2 e8500 retail mondayi hope like your is good

[RPGWiZaRD]

Yay so there's still hope that the 4GHz+ clocks are a reality even for retail chips on air/water for E8400 & E8500 as some earlier thread was telling different. Very nice cpus.

[ZoLKoRn]

Really nice chip and great results Eva

How max freq. on default Vcore with your chip ? Thanks

[Ozan Baseski]

Very good results Eva. Congratulations. I wonder when will these babies be out in stores?

[ante_ante]

Nice testing! Are u using 4,5mm nozzle ??

[eva2000]

Thanks guys...

Originally Posted by metro.cl

nice resutls and good chp, all of this is with just watercooling right?

yup all results done with cooling outlined in system specs in 1st post

Originally Posted by Achill3uS

I hate you eva
very nice results, and thanks for share
btw have you test max fsb on 6x multi?

didn't test at 6x, at 7x for better of the 2 E8500s, got max FSB validation at 555FSB, 547FSB for 1M, 540FSB for 4M and 535FSB is easy super pi 32M.. haven't tested beyond stock CPU PLL 1.5v. The first cpu was around 530-535FSB. Dinos has 2x E8500 Q740A493T same batch as mine both his do 530FSB as well... so a sameple of 4x E8500 Q740A493Ts, 3 do 530FSB and one does 535-555FSB.

Originally Posted by ZoLKoRn

Really nice chip and great results Eva

How max freq. on default Vcore with your chip ? Thanks

default AUTO vcore is around 1.192v for 2nd cpu and 1.186v for 1st cpu. But didn't test max at that vcore.. i know 1.208v gets me booting into memtest86+ at around 4113Mhz.

Originally Posted by Turbodream

Nice testing! Are u using 4,5mm nozzle ??

yup 4.5mm nozzle as per first post system specs link to Dtek Fuzion Rad Tower box as i like to call it http://i4memory.com/showthread.php?t=5133

[BNDMOD]

Any pic of system? jejeje nice watercooling? what ambient temp?

[eva2000]

haven't taken any recent pics just open desk bench system heh... ambient between 30-33C most of time - night time around 26-29C

[BNDMOD]

Originally Posted by eva2000

haven't taken any recent pics just open desk bench system heh... ambient between 30-33C most of time - night time around 26-29C

Nice :d ejejeje i tought that you have less temperature :s but more or les it's the same here....

[xwards]

nice chip, i want one too

[ziddey]

I was just looking through intel's spec sheets and it looks like abs max is 1.45v with max at 1.3625. since most people stuck to the max for conroes of 1.5v, would you or anyone else care to test how well these penryns scale from stock vcore up to 1.3625?

real impressive if currently good wolfdales can go 4ghz with < 1.3v. hopefully will mean the more runtier ones will be able to do 4ghz at or below 1.36

[PcCI2iminal]

George nice job as always, still benching with the Blitz Formula? I thought you would have a Blitz Extreme by now.

[JoeBar]

Congrats George on great clocks and posts...

[GLENBOY]

nice one eva it seems the e8500 is the new budget overclockers chip i think its available in uk around 20th of this month