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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II P840 Triple-Core vs AMD Phenom II P820 Triple-Core

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

×AMD Phenom II P840 Triple-Core×AMD Phenom II P820 Triple-Core+ ADD
PriceSearch OnlineSearch Online
Socket TypeS1S1
CPU ClassLaptopLaptop
Clockspeed1.9 GHz1.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores33
Max TDP35W25W
Yearly Running Cost$6.39$4.56
First Seen on ChartQ4 2010Q2 2010
# of Samples3039
Single Thread Rating630591
CPU Mark17131602

CPU Mark Rating
As of 18th of February 2020 - Higher results represent better performance
AMD Phenom II P840 Triple-Core
1,713
AMD Phenom II P820 Triple-Core
1,602
CPU Single Thread Rating
As of 18th of February 2020 - Higher results represent better performance
AMD Phenom II P840 Triple-Core
630
AMD Phenom II P820 Triple-Core
591

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 II P840 Triple-CoreAMD Phenom II P820 Triple-Core
Max TDP35W25W
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.