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Topping out around 75c, and temps barely move with increased vcore....

post #1 of 5
Thread Starter 
I've passed a few rounds of Prime95 at 4.6Ghz, 4.7Ghz, and 4.8Ghz, with vcore up to 1.40, and always my temps seem to top out at 75c. Then around pass 8 it defaults to 3.5Ghz. I keep thinking I should (need) to get into the high 80c range to make it pass run 8, but regardless the vcore I add, I top out around 75c.


post #2 of 5
What kind of cooler do you have? It might be that the motherboard adjusts the fans speed to keep the temps under 75°C.
    
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CPUMotherboardGraphicsRAM
i7 920 OC 4.0 GHz 1.35v HT on Asus P6T 1366 SLI Gigabyte GTX 970 OCZ 12GB DDR3 GOLD/Platinum mix 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F1 1TB Western digital 300GB Western digital Caviar Blue 1TB Samsung 840 EVO 250Gb 
Optical DriveCoolingOSMonitor
generic LG DVD WC'd , Supreme LT, NexXxoS Xtreme III 360, Phob... Windows 7 x64 Samsung 27" LED S27A550B 
MonitorMonitorKeyboardPower
ACER 23" x233H Dell U3415W Logitech G11 Chieftec 850W 
CaseMouseMouse PadAudio
Phanteks enthoo luxe Razer deathAdder respawn steelseries Qck Yamaha HTR-6130 AV Receiver 
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post #3 of 5
Higher temperatures only decrease stability so it wouldn't help you at all if it reached 80°C. For proper results I'd start overclocking through bios.

Edit: What mobo are you using?
Edited by Ukkooh - 11/2/13 at 1:55pm
     
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post #4 of 5
Thread Starter 
Custom loop with a single 120 in push/pull, on bare mount. Still, I just wouldn't expect that good and consistent level of cooling performance. Plus I keep dropping to 3.5Ghz. regardless the vcore.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by Ukkooh View Post

Higher temperatures only decrease stability so it wouldn't help you at all if it reached 80°C. For proper results I'd start overclocking through bios.

Edit: What mobo are you using?

I actually am using the BIOS. The Intel utility is just for reference, and it shows me the default cpu cache ratio per increase in multiplier, and hopefully other useful things.

I'm on a Asus Z87i-Deluxe.

I'm trying to get past test 8 of Prime95 by adding vcore, which I expect to be reflected in the temps, and I think anything below 90c is fine, but I could be wrong. I'm really stumped on this. I don't know what explains suddenly defaulting to stock speeds, and vcore having little affect on temps. I know Haswell is very different and maybe that's it, but I haven't seen others experiencing this. Or is it the Haswell way to default to stock speeds instead of BSOD'n? I have had a few BSODs, but not with the current settings.
Edited by ooostephen - 11/2/13 at 2:31pm
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