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Skylake (OP)
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June 15, 2016, 04:53:49 AM
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i have R9 390 i want to Overclock for optimize my income from mining
any safe setting for R9 390 ? core, memory clock ? voltage ?
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June 15, 2016, 07:30:51 AM
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I believe the R9 390 was basically a rebadged R9 290 with an updated BIOS - try 1100 core / 1500 clock as a start point, *IF* you can keep the thing cool enough.
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June 15, 2016, 11:57:46 PM
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Quote from: Skylake on June 15, 2016, 04:53:49 AM
i have R9 390 i want to Overclock for optimize my income from mining
any safe setting for R9 390 ? core, memory clock ? voltage ?
My SAPPHIRE NITRO Radeon™ R9 390 8G with back plate
antantti
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June 16, 2016, 12:08:12 AM
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Overvolted 390 can't do better than that? Set your fan speed to 100%.
BtcCrazy1
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June 16, 2016, 02:58:08 AM
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Quote from: antantti on June 16, 2016, 12:08:12 AM
Overvolted 390 can't do better than that? Set your fan speed to 100%.

Depends on your card.

I have my gigabyte set to 1175/ 1550 and only a slite voltage increase. I have my fan set to 85% keeps it at 70-71℃ and I get 33-34mhs on ether.
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June 16, 2016, 11:19:06 AM
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Quote from: antantti on June 16, 2016, 12:08:12 AM
Overvolted 390 can't do better than that? Set your fan speed to 100%.
   Can be up to +100 mV, however at 1175 MHz for the  GPU white lines appear  at the monitor (max stable overclock is 1150 MHz at +20 power limit and 50 mV Core Voltage).That's why I use the 1140 MHz for the GPU and 0 power limit (can be a minimum Core Voltage at +6 mV).
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