CPU Temps During Burn-In Test Acceptable?

Please see below image of my cpu burn it test. Are these results/settings acceptable for a 4.7 GHz overclock? The only changes made so far are 100MHz clock with 47 multiplier.



The system:

ASUS P8Z68 DELUXE/GEN3 LGA 1155 Intel Z68 SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS
Intel® Z68 chipset:
1 x SATA 6Gb/s port, gray: SSD (AHCI/RAID)
Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD)
1 x SATA 3Gb/s port, blue: HDD1 RAID 0 array (AHCI)
1 x SATA 3Gb/s port, blue: HDD2 RAID 0 array (AHCI)
Marvell® PCIe 9128 controller :
1 x SATA 6Gb/s port(s), navy blue: optical drive
WIN7 64 ULT and games on 120 GB Crucial M4 SSD
WD Caviar Black 1TB x2 RAID 0
Chenbro Gaming Bomb II case
Zotac ZT-50104-10P GeForce GTX 580 3 GB
G.SKILL Ripjaws X Series 16GB (4 x 4GB) DDR3 1866 (PC3 14900)
Intel i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost, overclocked to 4.6GHz)
Corsair H50 CPU Water Cooler with dual push/pull fans
ASUS VG236H 23-Inch 120 Hz 3D Ready Panel Monitor/nVidia 3D Vision Kit
Samsung 42" Multisystem TV LCD
Thermaltake Black Widow 850W PSU
14 answers Last reply
More about temps burn test acceptable
  1. You might want to reseat the heatsink against the CPU. That's a little high for a H50
  2. You might want to reseat the heatsink against the CPU. That's a little high for a H50
  3. 87C is quite high for any overclock
  4. The H50 is not that great a cooler to be honest and works about as well as a lower end air cooler. Those temps are way too high. Also you need to keep your CPU voltage under 1.4v. Many people have found that 1.4v and over degrades the Sandy Bridge chips over time. I am 100% stable at 4.5Ghz with hyperthreading on at 1.36v.
  5. Lower core voltage. And keep in mind the temp you see during that test will be much higher (20 degrees +) than what you would see in any real cpu intensive work. IE, overclocked my q9550 to 4 ghz, hit 72 on burn test, never see it get to 50 in real work when it's at 100% usage.
  6. Thanks for your help! I realized that the H50 radiator fan has to be installed so as to suck cold air from outside into the radiator per Corsair. With this change, also configured the top fan as an exhaust and not intake fan. Below are new numbers with modified fan configuration. Does it still seem that I need to reseat the heatsink against the CPU?



    Thanks in advance!

    Jackal
  7. Your CPU voltage is still 1.46v. After seeing all the articles about 1.4v and higher killing Sandy Bridge chips I would not run mine that high. You may get lucky and have a chip that does not happen to.
  8. Thanks, will lower the vcore voltage! Below are some screens of stress tests over time. Looks roughly like it stays at 40 and jumps to 70 during parts of the test.




    Here are the asus control panel settings.



    What should I lower my CPUVoltage setting from the 1.32 V presently set at? Looks like a 0.1 V difference between CPUVoltage reported from the asus control panel and Core Voltage reported from the monitors.

    Thanks in advance!

    Jackal
  9. Beeing an owner of the 2600k i would say that your temps are OK in the burn test. I have a titan Fenrir Evo 2 cooler (a socket 775 cooler) witch i mounted on the Asrock z68 pro 3 MB.
    My temps @ 4,4 Ghz - Idle - 29 - 30 degrees celsius
    - full load - 81 degrees celsius max /core 1,2,3 WHILE Core 0 never passes 68 degrees.
    The only thing that concerns me @ your OC is the voltage and the Gflops output of your CPU. I meen i get 101 Gflops @ 4,4 Ghz and you get only 71 -76 Gflops. That meens something is not working as intended even if you pass the test. Overclock meens more performance witch meens it should result in more Gflops.
  10. PS and yes i get 101 Gflops on the "High" setting in Burn test like you (forgot to mention that)
  11. Thanks! BTW, was running Netflix fullscreen at 1920x1200 on other monitor during the test, not sure if this changes Gflops. Any suggestions on the correct CPU Voltage setting currently at 1.32V?

    Cheers!

    Jackal
  12. My Core Voltage is fluctuating between 1.39 and 1.46 at idle. During prime95 test, voltage drops down to 1.39 and goes back up to 1.46 thereafter.

    All help appreciated!

    Jackal
  13. Manually set the voltage in BIOS. This is why I do not like auto overclock utilities. BIOS overclocking is much safer and more stable.
  14. Thanks, anort! Can you give me some basic conservative bios settings suggestions for my setup?:

    ASUS P8Z68 DELUXE/GEN3 LGA
    WIN7 64 ULT
    Zotac ZT-50104-10P GeForce GTX 580 3 GB
    G.SKILL Ripjaws X Series 16GB (4 x 4GB) DDR3 1866 (PC3 14900)
    Intel i7-2600K Sandy Bridge

    Cheers!

    Jackal
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