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Thread: The Semi-Official AMD APU Overclocker's Corner

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    Default The Semi-Official AMD APU Overclocker's Corner

    Hey guys, Mike here! I have decided to start up a new thread on the site dedicated to discussing tuning and showing off overclocking results for the newest AMD APU chips that have come out. While I don't have any of my own stuff to post JUST yet (I'm at work presently), when I get home I'll kick things off with the overclocks that I have achieved and the difficulties I had when trying out the newest mighty-mite on the block. I encourage all of you out there who are current APU owners or people that any of you might know who own one or are interested in them to come here and discuss these new chips with the rest of us! There is a surprising lack of information out on how to properly tune these chips as of right now and we could certainly use a dedicated hub for people to go to when they need assistance with them.

    I'll start things off by first posting a long to a video from YouTube that helped me get started on overclocking this chip. The first bit of it is spoken in German, but by the time it gets to the good stuff it's all English so don't freak out. The video was shot during a press demo of the new APU's and details the overclocking process for these chips in a sort of roundabout way. Pay attention to the settings that are displayed as well, they really do make the difference when overclocking these chips and aren't directly discussed every time.


  2. The following users thank 3 For this above post:

    Smiki007 (01-02-2014), TeeBlack (01-02-2014), vinman (01-02-2014)

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Well as promised I here's what I have achieved with this chip so far:

    The Semi-Official AMD APU Overclocker's Corner-cpuzvalidation.jpgThe Semi-Official AMD APU Overclocker's Corner-gpuzvalidation.png

    At first I wasn't able to overclock whatsoever; even setting the multiplier to it's natural turbo frequency with this same voltage would result in instability. I found that this chip would only properly overclock with two memory DIMM's installed, since once I removed two of the ones I was using it shot right up to the multiplier present here. Main reason I can't go higher is my cooler: even though I performance-lapped it, a Seidon 120M only has so much cooling potential before it's tapped out. The iGPU clock came with a bump to about 1.225V on the VDDCNB voltage. I could probably go higher with the iGPU but for right now I'm happy with where it sits. Temps never go higher than 65 C, and that's only because of fan ramp-up time. after a minute or two it drops back down to about 55-57 C.

    I also found that not only does OCCT not register proper VCore or temperature at all, but that CoreTemp is now 100% accurate for temp readings... at least as they pertain to AMD OverDrive (see video above). The threshold remaining in OverDrive perfectly syncs up with the recorded temperature in CoreTemp, so you have up to 70C before temps start to get the chip wanting to potentially throttle.

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Very good OC and temps too. I think with better cooler you can go 4.8 easy.

    Always look beyond the limits...

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Possibly, but even if I can only get 100 MHz more out of it with a better cooler then I count it as a win. 1000 MHz over the base clock speed is still really damn good by anyone's standards, and the benchmark scores show excellent scaling on these cores in overclocked scenarios so far. Also I had a bit of a crash the other day so I had to bump up the VDDCNB to 1.3V just to be on the safe side since that's what I typically see people having to set their voltages to for a stable 1028 MHz iGPU clock. I'll probably wind up playing with it a bit more once I get some more free time.

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Very good stuff. Thank you.

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Not bad Mike, I had Sandy hit up MC for me. So he is going to have the chip shipped to me soon.
    I ended up just buying a chip for now. I can't wait to play around with the 7850K to see what it can do.

    Hopefully motherboards will start rolling in for reviews soon so we can put them to the test.

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Quote Originally Posted by Solara2xb View Post
    Not bad Mike, I had Sandy hit up MC for me. So he is going to have the chip shipped to me soon.
    I ended up just buying a chip for now. I can't wait to play around with the 7850K to see what it can do.

    Hopefully motherboards will start rolling in for reviews soon so we can put them to the test.
    I would LOVE to get my hands on some more of these A88X motherboards and test their capacities with discrete GPU's as well as Dual Graphics. thingsa might have gotten a bit more interesting too, since Asus is releasing an R7 250X model GPU. Haven't seen anything on the specs yet or heard if it differs all that much from the R7 250, but if it is much the same card at a hardware level just with better clock speeds then that might work in Dual Graphics mode with the iGPU.

    On a side note, I have had to shoot more juice into my iGPU overclock lol. Seems that it actually took another hundredth of a volt or so to get everything stable since we were encountering blue screens with Skyrim, though we're uncertain as to whether it's Skyrim's fault, the iGPU overclock's fault, or a driver issue since I haven't had time to examine the dump files.

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    I have been waiting to hear about that Chip and the boards there Kenny, I have been able to get my 5800k up to 4.5

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    tragedy: for thermal reasons I have been forced to bring the chip back to 4.5 GHz: seems that with the newest BIOS on my A88X-PRO it wants to protect the chips once they start to hit 61-63C, and if they go too much higher than that at load for extended periods of time it will shut down the computer as if it were just unplugged or the power went out. Not a huge loss though, and it feels like it runs a bit more smoothly now anyway. Also had to come down on the iGPU clock to 960 MHz on account of I was getting BSOD pretty frequently, and I don't want to increase iGPU voltage any higher than it is right now. Still, a jump to 960 fromt he OEM 720 is nothing to sneer at by anyone's standards.

    I have also gotten some of that Kingston RAM that I won during the Holiday giveaway installed in the system. It overclocked to 2133 MHz pretty readily and the iGPU LOVES it. Runs a bit better than it did at 1028 MHz with 1600 MHz memory. If I can remember to do so I'll try and get some screens up tonight when I get home. Also gonna try for 2400 MHz out of it sometime next week when i get some free time.

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Good info on the APU A10 7850K! Nice video definatly sparked my interest in the AMD A10 series chips, might have yo get me one!!!!

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    Default Re: The Semi-Official AMD APU Overclocker's Corner

    Quote Originally Posted by Mgutierrez33 View Post
    tragedy: for thermal reasons I have been forced to bring the chip back to 4.5 GHz: seems that with the newest BIOS on my A88X-PRO it wants to protect the chips once they start to hit 61-63C, and if they go too much higher than that at load for extended periods of time it will shut down the computer as if it were just unplugged or the power went out. Not a huge loss though, and it feels like it runs a bit more smoothly now anyway. Also had to come down on the iGPU clock to 960 MHz on account of I was getting BSOD pretty frequently, and I don't want to increase iGPU voltage any higher than it is right now. Still, a jump to 960 fromt he OEM 720 is nothing to sneer at by anyone's standards.

    I have also gotten some of that Kingston RAM that I won during the Holiday giveaway installed in the system. It overclocked to 2133 MHz pretty readily and the iGPU LOVES it. Runs a bit better than it did at 1028 MHz with 1600 MHz memory. If I can remember to do so I'll try and get some screens up tonight when I get home. Also gonna try for 2400 MHz out of it sometime next week when i get some free time.
    Since the Richland A10-6800K, the APU chips love the higher memory speeds. 2133MHz is now the native speed that the flagship chips like to be ran at for the best performance. When I tried to overclock the memory in the last review higher than 2133Mhz the system would get unstable, hopefully now they have fixed that issue, but the 7850k should native run any memory that is on the QVL list at 2133MHz. It would be cool to see if you can get the memory higher and stable to run benchmarks.

    Also you mentioned the R7 250x being able to run in dual graphics, from what I have researched so far on the 7850K, that is a big "IF". I know that dual graphics can be ran with a R7 240 and R7 250, I have a R7 240 here and the 7850K, but no motherboards as of yet. I won't be able to add on anymore reviews until after I come back from my vacation in mid march. But I know Sandy said he sent you a board for review. Looking forward to see that.

    I am waiting for MSI to release their APU boards, those are the ones I saw at MSI and look forward to reviewing and also ASUS.

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