AMD Phenom II X6 1100T Black Edition Review

Written by Paul Goodhead

December 7, 2010 | 07:56

Tags: #6-core #920 #930 #athlon #best #cheapest #cpu #dual-core #fastest #mhz #overclocking #phenom #processorintel #quad-core #quickest #revision #x4 #x6

Companies: #amd

Power Consumption

For all of the performance tests, we disable all power-saving technology in order to give us a consistent set of results, and also best-case performance numbers - even though technologies such as Intel's SpeedStep might only take microseconds to kick in, that can make a difference in some tests.

However, for the power consumption tests we re-enable everything in order to get a real-world power draw. The power draw is measured via a power meter at the wall, so the numbers below are of total system power draw from the mains, not the power consumption of a CPU itself. Measuring the power draw of any individual component in a PC is tricky to impossible to acheive.

Idle Power Consumption

For this test, we leave the PC doing nothing but displaying the Windows 7 desktop (with Aero enabled) for a few minutes and record the wattage drawn from the wall via a power meter.

Idle System Power Consumption

Peak measurement at wall

  • Intel Pentium G6950 (2.8GHz)
  • AMD Athlon II X4 645 (3.1GHz)
  • Intel Core i5-760 (2.8GHz)
  • AMD Athlon II X3 455 (3.1GHz)
  • Phenom II X6 1090T BE (3.2GHz)
  • Phenom II X6 1100T BE (3.3GHz)
  • Intel Pentium G6950 (4.62GHz)
  • Intel Core i5-750 (2.66GHz)
  • AMD Athlon II X4 645 (3.7GHz)
  • Intel Core i7-950 (3.06GHz)
  • AMD Phenom II X4 970 (3.5GHz)
  • Intel Core i5-760 (4.1GHz)
  • Intel Core i7-930 (2.8GHz)
  • Phenom II X6 1090T BE (3.87GHz)
  • AMD Athlon II X3 455 (3.85GHz)
  • Phenom II X6 1100T BE (4.2GHz)
  • Intel Core i5-750 (4.0GHz)
  • Intel Core i7-950 (4.3GHz)
  • Intel Core i7-930 (4.3GHz)
  • AMD Phenom II X4 970 (4.1GHz)
  • 68
  • 84
  • 93
  • 96
  • 104
  • 108
  • 112
  • 113
  • 113
  • 117
  • 122
  • 124
  • 124
  • 127
  • 131
  • 146
  • 170
  • 174
  • 176
  • 176
0
50
100
150
200
Watts, lower is better

Load Power Consumption

For this test, we want to only stress the CPU, so use the smallfft stress test of Prime95 to fully load all available processors (logical as well as physical). We leave Aero enabled, and wait a few minutes for any power saving technology to kick in and for the power consumption to level out before taking our reading.

Load System Power Consumption

Peak measurement at wall

  • Intel Pentium G6950 (2.8GHz)
  • Intel Core i5-760 (2.8GHz)
  • AMD Athlon II X3 455 (3.1GHz)
  • AMD Athlon II X4 645 (3.1GHz)
  • Intel Pentium G6950 (4.62GHz)
  • AMD Phenom II X4 970 (3.5GHz)
  • Phenom II X6 1090T BE (3.2GHz)
  • Intel Core i5-750 (2.66GHz)
  • Phenom II X6 1100T BE (3.3GHz)
  • Intel Core i7-930 (2.8GHz)
  • Intel Core i7-950 (3.06GHz)
  • AMD Athlon II X3 455 (3.85GHz)
  • Intel Core i5-760 (4.1GHz)
  • AMD Athlon II X4 645 (3.7GHz)
  • Intel Core i7-930 (4.3GHz)
  • Intel Core i5-750 (4.0GHz)
  • AMD Phenom II X4 970 (4.1GHz)
  • Phenom II X6 1090T BE (3.87GHz)
  • Phenom II X6 1100T BE (4.2GHz)
  • Intel Core i7-950 (4.3GHz)
  • 100
  • 146
  • 146
  • 163
  • 163
  • 186
  • 195
  • 198
  • 207
  • 216
  • 233
  • 245
  • 246
  • 255
  • 296
  • 309
  • 332
  • 338
  • 369
  • 383
0
100
200
300
400
Watts, lower is better

Note: the AMD chips were tested in an ATX motherboard, while the Intel chips were tested in a micro-ATX board. This difference can account for up to 20W, as we found in our Energy Efficient Hardware feature.

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