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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 Athlon 64 FX-51×Intel Celeron 420 @ 1.60GHz+ ADD
PriceSearch Online$39.991
Socket Type940LGA775
CPU ClassDesktopDesktop
Clockspeed2.2 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores11
Max TDP89W35W
Yearly Running Cost$16.24$6.39
First Seen on ChartQ2 2009Q1 2009
# of Samples1100
Single Thread RatingNA5443
CPU Mark437451

CPU Mark Rating
As of 6th of December 2019 - Higher results represent better performance
AMD Athlon 64 FX-51
 437
Intel Celeron 420 @ 1.60GHz
 451
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 6th of December 2019 - Higher results represent better value
AMD Athlon 64 FX-51
 NA
Intel Celeron 420 @ 1.60GHz
 11.29
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 6th of December 2019 - Higher results represent better performance
AMD Athlon 64 FX-51
 NA
Intel Celeron 420 @ 1.60GHz
 544
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 Athlon 64 FX-51Intel Celeron 420 @ 1.60GHz
Max TDP89W35W
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.