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Thread: Help me choose please




  1. #81
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    Default Re: Help me choose please

    If your CPU is passively cooled you should not be overclocking to this extent. Respectfully, the quality of the cooler is irrelevant. There is no heat sink on earth that can keep a Core 2 Duo overclocked to 4GHz cool enough for every day use. Operating one with such an overclock without a fan is suicide. Passive CPU coolers suck for overclocking, your CPU reaching 80c is testiment to that. Don't use an extra fan pointing at the CPU, attach it to your cooler.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  2. #82
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    Default Re: Help me choose please

    But the 80c would NEVER happen during regular work. There's nothing that'd stress the CPU as much as this (and IBT, of course).
    I am not even sure I want to try for 4GHz, +750MHz above standard frequency is good enough for me.

    Anyway, I will work on getting VCORE even more down and see what the result will be. So far I am happy.

  3. #83
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    Default Re: Help me choose please

    Unless you constantly run RealTemp in the background, you'll never know if the CPU will get to those temps during normal use. It depends what you use the PC for. Gaming and video encoding could easily produce the same temps.

    You also didn't sat if the 80c was using the CPU socket sensor or using RealTemp to read actual core temps. If it's the CPU socket sensor, then the temps that count, ie the core temps could be 10-15c higher. the Thermal limit for your CPU is 71.4c, after which your warranty is void, and serious dammage to the component becomes much more likely. Like smoking kills a human slowly, excessive temps kill a CPU slowly.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  4. #84
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    Default Re: Help me choose please

    What do you mean by RealTemp? What's that? I've happily been using CoreTemp. It shows same temperatures as HWMonitor anyway. What sensor are you talking about? All I know is there are utilities that show you temperature of the CPU. Some suck and some are good and proven reliable. Those I use :)
    I AM going to work on the cooling somehow, but just not yet. Btw I ran the CPU at similar (just a bit lower) frequency before, and the temperature was quite low. And I did check it once in a while.
    Don't get me wrong, I appreciate your help, and you do have a point, but I know my PC at least a little, so I know what am I doing ;)

  5. #85
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    Default Re: Help me choose please

    Core Temp will do fine.

    It's not about knowing your computer. You're running a huge overclock on a heatsink that was designed to passively cool stock Core 2 and Phenom/Phenom 2's with a TDP of 65W. You've probably almost doubled the amount of power your CPU is consuming and the amount of heat a heatsink needs to dissipate will scale proportionally to power consumed.

    Silentpc.com reviewed your heatsink, and did so with it actively cooled (with a fan) because they conceded their CPU produced too much heat for passive cooling. It's also not a generation ahead of the Ultra 120 eXtreme. It is a generation ahead of the standard TrU, but the eXtreme version and your cooler are identical in regards to the base and heatpipes used. The only difference is the fin design. One isn't superior than the other, just different. Fins on your cooler are further apart and wider to aid convection.

    You're of course free to use what ever cooling you like, and I respect that. However at the moment you are putting your hardware in jeopardy with such temperatures. An increase in ambient temperatures on a hot day would probably be enough to put the CPU into thermal throttling.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  6. #86
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    Default Re: Help me choose please

    Ok I was a bit off with the generation newr thing. I remembered why I switched - because of the possibility not to attach a fan to the heatsink :P It might be that on the previous board I was running the CPU on default VCORE. I am not entirely sure. I gotta experiment more, that's for sure.
    Oh btw. How is it with EIST and the other power saving functions? I think I once read somewhere that they are to be disabled when overclocking. What do you think?

  7. #87
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    Default Re: Help me choose please

    Still stable at VCORE 1.28 :-O
    Gotta order this new Noctua fan NF-S12B-FLX soon. It seems a bit better than the one I currently have, NF-P12-1300.
    It will either gonna be another outtake or intake (a bit reluctant about this).
    Also managed to get static tRead value down from 11 to 10. 9 wouldn't boot at all though. There is still reserve on timings I am sure. I'd love to push the limit of memory a bit, but I don't think I can go through the hell of raising FSB again :D

  8. #88
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    Default Re: Help me choose please

    If you get that new fan, strap the old one to your heatsink.

    I can dig the advantages of passive if you want to eliminate case noise, but as you appear happy to add fans, the most effective place to add one right now is the heatsink. Even at 800-900RPM with the ULNA on, you'll see a 10c drop at least.

    That fan is nice. Same fin design as the older Noctua case fan, but with the vortex notches for increased static pressure.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  9. #89
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    Aug 2008
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    Default Re: Help me choose please

    I am not happy to add fans at all :) But I have to.
    Btw I don't get it, on my previous EP35-DS4 I know the CPU cooler was not even hot even while running Prime95. Weird weird... I am currently not too much above default VCORE. Oh well... At least I can get higher with a fan lol.
    And I am getting tempted to try for 500+. It's worse than drugs :D

  10. #90
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    Default Re: Help me choose please

    Vcore isn't the only thing that causes heat. CPU frequency heat is what causes the CPU to draw more power. More power drawn = more heat produced. For example, Stock volts and speed for me gives 48c in Prime Large FFT. Keeping my 1.43Vcore and setting stock speed I get 50c in Prime, ramping up to 3.9GHz at current ambient I'm at 61c. Overclocking produces much more heat, up to a certain point than just voltage. This is why passive CPU cooling and a high overclock are mutually exclusive.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

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