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RTX 2070 XC Ultra Overclocking troubles

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FlippityFlopp
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2020/07/23 20:23:31 (permalink)
Hi!
I hope that someone with more knowledge than me could help me with this issue because it has me completely puzzled… I have bought an RTX 2070 XC Ultra about 2 years ago but never bothered to try to overclock it, I have been playing around with it for 2 days now, but I can’t seem to get a stable overclock. I use MSI Afterburner and I did a stability test with +100Mhz (core) and +225mhz (memory) and got a 90% confidence level, tried it in a few games and they all crashed. I then tried a lower OC with + 70Mhz (core), + 150Mhz (memory) and got another 90% and more game crashes. I then tried a test with no OC (stock) and again got a 90% but games don’t crash. All the tests were done with Power Limit maxed out and temperatures were not an issue.
 
Has anyone experienced a similar issue with this card, or any other? Thanks

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    arestavo
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/23 21:19:56 (permalink)
    Try overclocking the GPU core only first. Start with +25.
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    FlippityFlopp
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/24 13:02:28 (permalink)
    At +25Mhz (core ), no memory OC, I still get a 90% confidence score but no game crashes.
     
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    jonkrmr
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/24 14:08:05 (permalink)
    Then push the core clock up a bit more (+5 more) and test again. Keep doing that until the overclock becomes unstable and then lower the overclock a bit and that should be at your max overclock for your card.
     
    After you find your max overclock on the GPU, then start overclocking the memory. Go in small steps, maybe +10-25 at a time testing after each bump until it becomes unstable, then lower the memory clock a tad and you should be good to go on max overclock on both GPU and memory.

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    FlippityFlopp
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/24 14:16:36 (permalink)
    I've been slowing seeking a higher OC and managed to get stable results with +60Mhz (core) and +300Mhz (memory). I haven't tried going any higher on memory as i don't know how much of an effect it would have on gameplay. I've been doing all my tests on RDR2 as it seems it the game that is the most picky or hard to run. I managed to get a stable +100Mhz (core) and +300Mhz (mem.) on R6 Siege but RDR2 crashes instantly.
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    jonkrmr
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/24 15:06:16 (permalink)
    Have you set the voltage % slider in afterburner to 100%?
     
    This allows the GPU to use the full 1.093v specified by Nvidia if it needs it and can keep within the temp\voltage\power limits of the GPU boost.
     
    It's really just time needed for trial and error finding your GPU and memory's sweet spot.
     
    No two GPUs or memory chips are exactly alike, the all behave different.

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    FlippityFlopp
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/24 17:41:06 (permalink)
    I have not touched the Core Voltage slider as it is locked by default, but my Power Limit slider is maxed out at 129%. I will try all my trial and error again to see if i'm able to push the card a bit further.
    I did some benchmarks with 3DMark and TimeSpy(DX12) allows me to use my +100Mhz(core) and +300Mhz(mem.) but FireStrike(DX11) crashes instantly and can't go above +50Mhz, +225Mhz. I'm confused...
    On another note, even on stock settings, when my card hits 100% usage, it runs at 1980Mhz, but the spec sheets say the boost clock is 1725Mhz. ???
    Thanks for you patience so far... xD
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    arestavo
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    Re: RTX 2070 XC Ultra Overclocking troubles 2020/07/25 16:53:23 (permalink)
    FlippityFlopp
    I did some benchmarks with 3DMark and TimeSpy(DX12) allows me to use my +100Mhz(core) and +300Mhz(mem.) but FireStrike(DX11) crashes instantly and can't go above +50Mhz, +225Mhz. I'm confused...
    On another note, even on stock settings, when my card hits 100% usage, it runs at 1980Mhz, but the spec sheets say the boost clock is 1725Mhz. ???
    Thanks for you patience so far... xD



    What is there to be confused about with overclocking a factory overclocked card (2070 XC Ultra, right?)? Every card, even factory overclocked cards, have some point that they cannot be pushed past. Yours appears to be +50 on the GPU core. If your GPU die were instead on a stock, non-factory overclocked card, you could have done +150 or so on the GPU core, but the GPU frequency would be the same - you just would have to overclock the stock card more to get to where you are at with the XC Ultra. Assuming the stock card could overclock the same, as there is a good deal of variance in overclock from GPU die to GPU die.
     
    As to running at 1980MHz instead of 1725MHz, that's GPU boost - Nvidia's auto overclock based on temperature, power and voltage limits.
    post edited by arestavo - 2020/07/25 16:59:23
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