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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 640 vs AMD Phenom II X4 B97

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×AMD Athlon II X4 640×AMD Phenom II X4 B97+ ADD
Price$14.98
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$79.951
Socket TypeAM3AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2010Q2 2010
# of Samples1667104
Cross-Platform Rating46176046
Single Thread Rating12081326
CPU Mark21422467
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of October 2021 - Higher results represent better performance
AMD Athlon II X4 640
2,142
AMD Phenom II X4 B97
2,467
CPU Value (CPU Mark / $Price)
As of 25th of October 2021 - Higher results represent better value
AMD Athlon II X4 640
142.99
AMD Phenom II X4 B97
30.85
CPU Single Thread Rating
As of 25th of October 2021 - Higher results represent better performance
AMD Athlon II X4 640
1,208
AMD Phenom II X4 B97
1,326

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Athlon II X4 640AMD Phenom II X4 B97
Max TDP95W95W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.