I have found that the XU4 throttles down to 1.9ghz (of a max of 2.0ghz) almost all the time. Even with the cooler on the board, plus another fan, plus 22C ambient room temperatures.
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I have found that the XU4 throttles down to 1.9ghz (of a max of 2.0ghz) almost all the time. Even with the cooler on the board, plus another fan, plus 22C ambient room temperatures.
Did some research on the throttling down to 1.9GHz, and it seems the stock cooler simply isn't good enough to handle all cores on full load. I'm experimenting with some water-cooling at the moment, I'll post my results when I'm done testing. Might even try to OC the bastards if temps look good :P
Cool, I look forward to seeing what you discover!
I haven't noticed that, but we also don't monitor the clock speed that closely so I could easily have overlooked it. It's not too bad, but a little annoying if it's consistent though.