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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 645 vs Intel Core2 Quad Q8300 @ 2.50GHz

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

×AMD Athlon II X4 645×Intel Core2 Quad Q8300 @ 2.50GHz+ ADD
Price$69.95
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$49.991
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.5 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 ChartQ4 2010Q1 2009
# of Samples5511935
Cross-Platform Rating43634330
Single Thread Rating12231044
CPU Mark21291790
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of July 2020 - Higher results represent better performance
AMD Athlon II X4 645
2,129
Intel Core2 Quad Q8300 @ 2.50GHz
1,790
CPU Value (CPU Mark / $Price)
As of 10th of July 2020 - Higher results represent better value
AMD Athlon II X4 645
30.43
Intel Core2 Quad Q8300 @ 2.50GHz
35.81
CPU Single Thread Rating
As of 10th of July 2020 - Higher results represent better performance
AMD Athlon II X4 645
1,223
Intel Core2 Quad Q8300 @ 2.50GHz
1,044

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 645Intel Core2 Quad Q8300 @ 2.50GHz
Max TDP95W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.