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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.


AMD Phenom 8400 Triple-CoreAMD Phenom 8450 Triple-Core
PriceSearch Online$29.951
Socket TypeAM2+AM2+
CPU ClassDesktopDesktop
Clockspeed2.1 GHz2.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores33
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ1 2009Q4 2008
# of Samples93239
Single Thread Rating718721
CPU Mark16321890
CPU Mark Rating
As of 20th of October 2019 - Higher results represent better performance
AMD Phenom 8400 Triple-Core
 1,632
AMD Phenom 8450 Triple-Core
 1,890
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 20th of October 2019 - Higher results represent better value
AMD Phenom 8400 Triple-Core
 NA
AMD Phenom 8450 Triple-Core
 63.11
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 20th of October 2019 - Higher results represent better performance
AMD Phenom 8400 Triple-Core
 718
AMD Phenom 8450 Triple-Core
 721
PassMark Software © 2008-2019

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 Phenom 8400 Triple-CoreAMD Phenom 8450 Triple-Core
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.