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  1. #81
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    You guys will laugh on how easy NVidia Inspector is. You actually move the Shader slider and the core clock follows since they're locked just like in Afterburner.

    You have way, way higher option on adjusting the memory with Inspector. Watch your Memory and your bandwidth Gb/s with GPU-Z.

    i.e. At 1674 memory you'll have 80.4 Gb/s bandwidth. Which kinda helps keeping the FPS steady and no/less dips, ..constant FPS.

    I have went as far as 833/1753 memory with TW2 (9.1 volts.) I just don't like my GPU getting too hot (80*C), so I opted for 828/1728 memory with bandwidth of 82 Gb/s (76*C GPU temp after 3 hrs.).
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  2. #82
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    I'm asking again , is it normal than i can't go more than 1500 ?

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  3. #83
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    lol select "unlock max" on the top right corner and smile

  4. #84
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Woo , nice

    DAMN I WANNA TRY BUT I'M SCARED.

    You're probably thinking i'm stupid x)
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  5. #85
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Quote Originally Posted by Catzoo View Post
    Woo , nice

    DAMN I WANNA TRY BUT I'M SCARED.

    You're probably thinking i'm stupid x)
    No man, i feel your pain. I know that feeling of being afraid when doing something new.

    Look at me: ive been into OC business with desktops since 6 years now, ive ranged from extreme air cooling to watercooling, but i was rather a noob in laptop OC'ing.

    Every laptop and every gpu released acts differently, while in desktops things are almost always the same (well excluding manual cpu overclocking in the old fashion way, when there was just a bios with a myriad of settings, getting my E8400 up to 4,3ghz was not easy, and totally AT AIR!).

    Ive began to look into vbios modding/overvoltage/ocing laptops starting with my m860tu which is still going strong, equipped with a vbios hand crafted fx3700m.

    Anyway back on topic, raise your memory to the current limit (1500) and see if it is stable. If it is, simply click on Unlock Max and keep doing 50mhz steps increase and do some more tests.

    By tests, if you want to speed up the process, everytime you want to game for a long session just oc the memory with additional 50mhz. If your favorite game still stable after some hours, raise a bit more, until the driver crashes, or artifacts (most likely).

    I guess youll be fine at 1500-1550 range, that will give you a niiiice boost in bandwitdth and performance.

  6. #86
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Thanks for your advices

    I read a few time ago that overclocking was not that dangerous , but while you're testing for the stability / artifacts , you can break your card when thoses artifacts are coming , it may be to late. May be something wrong , but i was a bit scared.
    Alienware M11X R1 | 11.6" 1366*768 | SU 7300 @ 1.73 GHz | GT 335M 1GB DDR3 | 4GB RAM DDR3 | 320 GB HDD |
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  7. #87
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Well artifacts technically are caused by the corrupt data stored in the VRAM, which happens when the clocks reach their max potential coupled with the physical limitations of the chips itself.
    As long as the drivers recover or you shutdown the system when it happens you'll be fine.
    Issues of a long term damage is when you repeatedly hammer the VRAM chips with extreme voltages or clocks to gain performance when OCing.
    Long story short, just push it but stay on the conservative state of things.
    Tbh I've seen people's pushing their VRAM beyond 1700mhz which is way above the physical limit of the VRAM chips on the gpu, at least on gtx460m.
    I can go above 1620 as an example but since I'm core limited to 835 I see no point of having 80gbs bandwidth with that core clock.
    For 20/20.1 pixel fillrate,76.5/77gbs is more than enough.

    Remember that ocing is all about balance: pixel fillrate needs to be feed by a good bandwidth. Too much bandwidth actually makes performance worse, same happens with high core clocks with low bandwidth.
    I'd say for 825-30-35 core clock 1600/1650 VRAM clocks is the sweet spot. Badically is the same performance as 850-870 @ 1450-1500.

  8. #88
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Really interesting @Kingpinzero it sounds you know a lot about o/c !

    I finally pushed my gtx460m into its limits that means : 878/1756 (core/shader) and 1680 memory max temp is 77 after 3dmark 2011, BF3...

    What do you think about this o/c ?
    I also performed 860/1720/1720 but the temp was rising to 82 degrees and I was startn sweating lol

    That looks good ?

  9. #89
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Yep you're in thermal range, but limit those clocks for benchmarking, as I stated 1650 should be crash-proof in gaming sessions.

  10. #90
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    Default Re: G74SX 560m (192 Bit) Overclocking results & Temps

    Quote Originally Posted by Kingpinzero View Post
    Yep you're in thermal range, but limit those clocks for benchmarking, as I stated 1650 should be crash-proof in gaming sessions.
    Crazy how the tempeture rises when I push the memory clock to 1720 instead of 1680, +5 degrees !

    Anyway, 3dmark2006 gives 14606 and 3dmark2011 2411 which is not too bad for gtx460+i5 - will get the 2820qm qs soon tho !

    MSI Barebone 16F2 - i5-2410m - GTX460m@878/1680 - M4 128go - 4go@1333

 

 
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