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  1. #1
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    Which Stress test is more representive of real applications?

    So Im trying to OC my CPU and based on 3 different stress testers, I have found 3 different configurations all with the same system that keeps the CPU stable and "safe" temps

    My hardware setup is:
    i5 4690k
    midrange cooler (but my ambient temps are on the high end)
    16 gb DDR3 1600 RAM
    GTX 980ti
    750W PSU

    Stress tester 1:
    Prime95 v2.87 with small FFT
    Could only pull max 4.2ghz 1.04v before the temps went past what I call "safe"

    Stress tester 2:
    Prime95 v2.66 with blender
    Highest clock I could pull was 4.5ghz 1.20v, temps were still under my "safe" temp

    Stress tester 3:
    Asus Realbench
    Again, I could pull was 4.5ghz 1.20v. I tried 4.6ghz with 1.22v but the temps were slightly past my "safe" temp mark.

    From what I understand, eventhough all the testers jack the CPU to 100%, they do it differently.
    Tester 1 uses only small pieces of data therefore the CPU has almost no missed cache cycles and therefore has to run harder. Test 2 has a mix of small and large so there is missed cache cycles. Tester 3, idk what it is in terms of data size. Its rendering an image by testing how individual rays act so Im guessing its mixed?
    So my question is, which stress test is actually more representative of real applications like games and CAD software?
    The reason for me asking this is bc if normal programs dont actually use as much small cache data points as the FFT test, then the actual "use" of the data I got from the test is pretty useless. In which case, I would use the data I received from the other tests instead.
    Info I found on the cache size thing if you want to read more about it:
    http://superuser.com/questions/98146...-at-100-for-al
    Last edited by DaGengster; 02-17-2016 at 06:48 AM.

  2. #2
    ROG Guru: Brown Belt Array gupsterg PC Specs
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    gupsterg's Avatar
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    For OC in my sig but 4.3GHz cache I did 8hrs RB / 48 loops x264 v2.06 / 24hrs f@h and have had no issues in gaming / daily use.

    When I upped the cache to 4.4GHz I did 4hrs RB / 48 loops x264 v2.06 / 24hrs f@H, this was several months ago.

    With this 2nd chip I never used P95 (any version) TBH and don't think I'm missing a "stability test" angle.
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  3. #3
    ROG Guru: Grand Master Array Arne Saknussemm PC Specs
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    Quote Originally Posted by DaGengster View Post
    which stress test is actually more representative of real applications like games and CAD software?
    The clue is in the name RealBench for sure...tests your system holistically and non destructively....

    Stability at the end of the day is running what you need to run day to day day after day...only way to test is to do it...

    However RealBench is a good start point for that real world testing 15 min 1 hour and then stop and get on with the real testing....

  4. #4
    ROG Guru: Brown Belt Array gupsterg PC Specs
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    I agree that RealBench stress mode is a really good test, if you compare it with say P95 / AiDA64 / XTU the GPU is not in use. So logically in my mind it's clear that RealBench is using more of the PC.

    The only other thing that I do prefer over it is f@h, just because it's producing/contributing to a cause when being run. I set it to run on CPU & GPU, IIRC the loading can variate at times. So in my mind the yoyo effect of loading is also another type of stability test, which is similar to everyday use.
    Intel Defector AMD Rebel

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    R5 3600 - Custom WC - Asus Crosshair VII Hero Wifi - G.Skill Ripjaws V 3800MHz C16 - Sapphire HD 5850 Toxic

    24/7 OC: i5 4690K @ 4.9GHz CPU@1.255v 4.4GHz Cache@1.10v - Archon SB-E X2 - Asus Maximus VII Ranger
    Sapphire Fury X (1145/545 ~17.7K GS 3DM FS)

  5. #5
    ROG Enthusiast Array
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    If you are overclocking, the standard that most people go by is running Prime95 for 24 hours without crashes. The "Prime95 v2.66 with blender" is probably representative of real programs more than the small FFT version.

  6. #6
    Rockford
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    realbench+prime95+intelburntest+vampire diaries (season 2)

    running them simultaneously (all at once) , a single stress testing software just isnt enough

  7. #7
    ROG Guru: Orange Belt Array
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    RealBench should definitely be your pick!

  8. #8
    ROG Guru: Brown Belt Array Vlada011 PC Specs
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    Now RealBench and AIDA64, before Prime95.


  9. #9
    ROG Guru: Grand Master Array Arne Saknussemm PC Specs
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    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 970/960/950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB/Samsung 1TBSSDs
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    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
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    Accessory #1 Umm...nice tie?
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    Quote Originally Posted by WhitePaw View Post
    realbench+prime95+intelburntest+vampire diaries (season 2)
    Really season 2! damn it I will have to run that all again! I thought I passed too easily...

    Click image for larger version. 

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    Last edited by Arne Saknussemm; 02-22-2016 at 11:15 AM.

  10. #10
    ROG Guru: Gold Belt Array Menthol PC Specs
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    Quote Originally Posted by WhitePaw View Post
    realbench+prime95+intelburntest+vampire diaries (season 2)

    running them simultaneously (all at once) , a single stress testing software just isnt enough
    WhitePaw good to see you, how's life been treating you

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