Power Consumption
Power consumption, like performance, isn't surprising here. I noticed I couldn't get Cool'n'Quiet to properly underclock the Phenom II X4 980 BE when idle, resulting in a constant 3.7GHz operating frequency and thus higher than expected idle power numbers. I updated our test platform to the latest public BIOS but I suspect this is something that'll be addressed in a future update.
I also measured power at the ATX12V connector to give you an idea of what actual CPU power consumption is like (excluding the motherboard, PSU loss, etc...):
Processor | Idle | Load (Cinebench R11.5) |
Intel Core i7 2600K @ 4.4GHz | 5W | 111W |
Intel Core i7 2600K (3.4GHz) | 5W | 86W |
AMD Phenom II X4 975 BE (3.6GHz) | 14W | 96W |
AMD Phenom II X4 980 BE (3.7GHz) | 35W | 104W |
AMD Phenom II X6 1100T (3.3GHz) | 20W | 109W |
Intel Core i5 661 (3.33GHz) | 4W | 33W |
Intel Core i7 880 (3.06GHz) | 3W | 106W |
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