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Prime95 verion 25 or 26 ???

post #1 of 7
Thread Starter 
I wasn't to sure what section to post this question. I've been trying to OC my system at 4.0Ghz and seem to only get a stable OC at 3.8/3.9Ghz, sometimes the 3.9Ghz will fails.

However, until very recently I was testing using Prime95 version 26, today I re-imaged my system and installed Prime95 version 25, unknowinly.

I realized that my 3.9Ghz OC is a lot more stable with Prime95, I'm actualy even thinking o attemping 4.0Ghz.

Is any one aware of any differences between the two versions that might explain why my OC is more stable with version 25?
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post #2 of 7
i believe 25.11 is the most widely used version (i use it) so i would stick with v25.
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post #3 of 7
25.11 is the 64 bit one you find at extreme overclocking IIRC.

Everyone use 25.11 to be honest.
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post #4 of 7
Ive had OC stress's pass a quick 2hr blend with 25 but fail with 26 in under a hr
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CONSTITUTION
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Optical DriveOSPowerCase
ASUS DVD-RW  Windows 10 Home Corsair RM650 Black NZXT Source 210  
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Intel Core i7 2600k ASUS P8P67 WS Revolution  EVGA GTX 680 4GB w/Backplate G.SKILL Ripjaws X 8GB DDR3 1600MHz 
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post #5 of 7
prime 26 is harder on your cpu.
post #6 of 7
Quote:
Originally Posted by konspiracy View Post
prime 26 is harder on your cpu.
or less stable?

that's the thing with stress tests, newer versions may have bugs or stability problems leading you to false results even if they are official "stable"

i'm not saying that v26 is unstable, just that if mostly everyone uses v25, i'd stick with that for testing
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320GB WD Caviar Blue Sony Optiarc DVD RW AD-7260S ATA XSPC Rasa 750 RS240 [Backplate Mod] [MX-2] Windows 7 Ultimate 64-Bit 
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Acer H236HLbid  Logitech K120 OCZ ModXStream Pro 600W Modular NZXT M59 [5 x 120mm Fans + Rheobus Fan Controller] 
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Old Reliable
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Hard DriveOptical DriveCoolingOS
320GB WD Caviar Blue Sony Optiarc DVD RW AD-7260S ATA XSPC Rasa 750 RS240 [Backplate Mod] [MX-2] Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer H236HLbid  Logitech K120 OCZ ModXStream Pro 600W Modular NZXT M59 [5 x 120mm Fans + Rheobus Fan Controller] 
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post #7 of 7
I use 26.4, since that's the most stable version of the 26's; I also like how the stress testing is optimized for your CPU architecture. Last time I checked, there were like only 4 known bugs/issues with it, none of them pertaining to me (or my CPU architecture, rather).
 
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Mushkin Callisto 120GB SSD + WD 7200RPM 500GB Who cares? Windows 7 Home Premuim 64bit Viewsonic vx2265wm 
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AZIO Levetron Mech4 CORSAIR CMPSU-750TX 750W NZXT M59 Logitech G9x 
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Razer Goliathus (Speed Edition) ASUS Xonar D1 
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A4-3300 APU BIOSTAR TA75M+ AMD Radeon HD 6450 G.SKILL Ripjaws 
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Corsair Nova Series 2 CSSD-V60GB2 SSD Ultra ChillTec Black I-Inc iP-192ABB 19" Class Widescreen LCD Monitor Mushkin Enhanced Volta MKNPSVT500 PSU 
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