Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > Radeon HD4890 doesn't clock past 500 MhZ (core only)

Radeon HD4890 doesn't clock past 500 MhZ (core only)

Forum Graphic & Displays : Graphics Cards - Radeon HD4890 doesn't clock past 500 MhZ (core only)

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I figured my setup should pull this no problem - I got 36 amps on the 12v rails. When I use ATI's AutoTune feature on my card, I can't set the clock past 500 Mhz - it doesn't change no matter what I specify. I'm talking about the "Current Values" panel. Any idea?

Thanks...

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current values is your current clock... which is throttled down to save power... if you run a stress test and watch the clock at the same time... you will notice then number jump up

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http://www.speedtest.net/result/511560750.png

E6600 @ 3.6, 2 X HD4850(680/1150), OCZ 4Gigz
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Radeon HD4890 doesn't clock past 500 MhZ (core only)

Forum Graphic & Displays : Graphics Cards - Radeon HD4890 doesn't clock past 500 MhZ (core only)