Athlon II X4 610e & Phenom II X4 910e: 45W & 65W Quad Cores

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TEST METHODOLOGY

Common Test Platform:

Intel LGA1156:

AMD AM3:

  • AMD Phenom II X4 965 Black Edition processor - 3.4 GHz, 45nm, 125W
  • AMD Phenom II X4 955 Black Edition processor - 3.2 GHz, 45nm, 125W
  • AMD Phenom II X4 910e processor - 2.4 GHz, 45nm, 65W
  • AMD Phenom II X4 810 processor - 2.6 GHz, 45nm, 95W
  • AMD Athlon II X4 635 processor - 2.9 GHz, 45nm, 95W
  • AMD Athlon II X4 630 processor - 2.8 GHz, 45nm, 95W
  • AMD Athlon II X4 610e processor - 2.6 GHz, 45nm, 95W
  • Asus M4A78T-E motherboard - 790GX chipset

Measurement and Analysis Tools

  • CPU-Z to monitor CPU frequency and voltage.
  • SpeedFan to monitor CPU temperatures.
  • Real Temp to monitor CPU temperatures.
  • CPUBurn processor stress software.
  • Prime95 processor stress software.
  • Media Player Classic - Home Cinema to play x264/MKV video using DXVA.
  • Eset NOD32 as an anti-virus benchmark.
  • WinRAR as an archiving benchmark.
  • iTunes an audio encoding benchmark.
  • TMPGEnc Xpress as a video encoding benchmark.
  • HandBrake as a video encoding benchmark
  • Adobe Photoshop CS2 as an image manipulation benchmark.
  • PCMark05 as a general system benchmark.
  • Seasonic Power Angel AC power meter, used to measure the power consumption of the system.
  • Digital Multimeters used to measure the current and voltage across the AUX12V connector
  • Custom-built, four-channel variable DC power supply, used to power and regulate the CPU fan.

Timed Benchmark Test Details

  • NOD32: In-depth virus scan of a folder containing 32 files of varying size with many RAR and ZIP archives.
  • WinRAR: Archive creation with a folder containing 68 files of varying size (less than 50MB).
  • iTunes: Conversion of an MP3 file to AAC.
  • TMPGEnc: Encoding a XVID AVI file with VC-1.
  • HandBrake: Encoding a XVID AVI file with H.264.
  • Photoshop: Image manipulation using a variety of filters, a derivation of Driver Heaven's Photoshop Benchmark V3 (test image resized to 4500x3499).

Our first test procedure is designed to determine the overall system power consumption at various states (measured using a Seasonic Power Angel). To stress CPUs we use either Prime95 (large FFTs setting) or CPUBurn depending on which produces higher system power consumption. For video playback we use a x264-encoded 1080p clip played with Media Player Classic - Home Cinema.


1080p | 24fps | ~14mbps

x264 1080p: Spaceship is a 1080p x264 clip encoded from the Blu-ray version of an animated short film. It features a hapless robot trying to repair a lamp on a spaceship.

Secondly, we run a series of benchmarks, most of which are timed tests of real-world applications. During the first 10~15 seconds, AC system power is measured at the wall (and later converted to DC) and current/voltage measurements are taken at the AUX12V connector to determine how much power is drawn by the CPU and VRM circuitry alone.

Certain services and features like Superfetch and System Restore are disabled to prevent them from affecting our results. Aero glass is left enabled if supported. We also make note if energy saving features like Cool'n'Quiet and SpeedStep do not function properly.

Estimating DC Power

The following power efficiency figures were obtained for the Seasonic SS-400ET used in our test system:

Seasonic SS-400ET Test Results
DC Output (W)
21.2
41.6
60.2
81.9
104.7
124.1
145.2
AC Input (W)
32.0
58.0
78.0
102.0
128.0
150.0
175.0
Efficiency
66.3%
71.7%
77.1%
80.3%
81.8%
82.8%
83.0%

This data is enough to give us a very good estimate of DC demand in our test system. We extrapolate the DC power output from the measured AC power input based on this data. We won't go through the math; it's easy enough to figure out for yourself if you really want to.



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