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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X3 445 vs Intel Core2 Quad Q8400 @ 2.66GHz

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

×AMD Athlon II X3 445×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$145.91$128.881
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2010Q2 2009
# of Samples3011495
Cross-Platform Rating37954682
Single Thread Rating12811150
CPU Mark17712002
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of September 2021 - Higher results represent better performance
AMD Athlon II X3 445
1,771
Intel Core2 Quad Q8400 @ 2.66GHz
2,002
CPU Value (CPU Mark / $Price)
As of 28th of September 2021 - Higher results represent better value
AMD Athlon II X3 445
12.14
Intel Core2 Quad Q8400 @ 2.66GHz
15.53
CPU Single Thread Rating
As of 28th of September 2021 - Higher results represent better performance
AMD Athlon II X3 445
1,281
Intel Core2 Quad Q8400 @ 2.66GHz
1,150

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 X3 445Intel Core2 Quad Q8400 @ 2.66GHz
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.