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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X3 420e vs AMD Athlon II X3 455

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

×AMD Athlon II X3 420e×AMD Athlon II X3 455+ ADD
Price$116.151$39.991
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.6 GHz3.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)3 (Threads: 3)
Max TDP45W95W
Yearly Running Cost$8.21$17.34
First Seen on ChartQ2 2011Q4 2010
# of Samples8363
Single Thread Rating10581343
CPU Mark15571832
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 29th of May 2022 - Higher results represent better performance
AMD Athlon II X3 420e
1,557
AMD Athlon II X3 455
1,832
CPU Value (CPU Mark / $Price)
As of 29th of May 2022 - Higher results represent better value
AMD Athlon II X3 420e
13.40
AMD Athlon II X3 455
45.82
CPU Single Thread Rating
As of 29th of May 2022 - Higher results represent better performance
AMD Athlon II X3 420e
1,058
AMD Athlon II X3 455
1,343

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 420eAMD Athlon II X3 455
Max TDP45W95W
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.