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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X3 455 vs AMD A8-3820 APU

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

×AMD Athlon II X3 455×AMD A8-3820 APU+ ADD
Price$39.991$44.951
Socket TypeAM3FM1
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.5 GHz
Turbo SpeedNot SupportedUp to 2.8 GHz
# of Physical Cores3 (Threads: 3)4 (Threads: 4)
Max TDP95W65W
Yearly Running Cost$17.34$11.86
First Seen on ChartQ4 2010Q1 2012
# of Samples364124
Single Thread Rating(% diff. to max in group)1343(0.0%)1153(-14.1%)
CPU Mark(% diff. to max in group)1841(-15.6%)2181(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 30th of June 2022 - Higher results represent better performance
AMD Athlon II X3 455
1,841
AMD A8-3820 APU
2,181
CPU Value (CPU Mark / $Price)
As of 30th of June 2022 - Higher results represent better value
AMD Athlon II X3 455
46.04
AMD A8-3820 APU
48.52
CPU Single Thread Rating
As of 30th of June 2022 - Higher results represent better performance
AMD Athlon II X3 455
1,343
AMD A8-3820 APU
1,153

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 455AMD A8-3820 APU
Max TDP95W65W
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.