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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.

Intel Core i7-640UM @ 1.20GHzAMD Phenom II P840 Triple-Core
PriceSearch OnlineSearch Online
Socket TypeBGA1288S1
CPU ClassLaptopLaptop
Clockspeed2.3 GHz1.9 GHz
Turbo SpeedUp to 2.3 GHzNot Supported
# of Physical Cores2 (2 logical cores per physical)3
Max TDP18W35W
Yearly Running Cost$3.29$6.39
First Seen on ChartQ2 2010Q4 2010
# of Samples5229
Single Thread Rating804631
CPU Mark16381709
CPU Mark Rating
As of 17th of October 2019 - Higher results represent better performance
Intel Core i7-640UM @ 1.20GHz
1,638
AMD Phenom II P840 Triple-Core
1,709
CPU Single Thread Rating
As of 17th of October 2019 - Higher results represent better performance
Intel Core i7-640UM @ 1.20GHz
804
AMD Phenom II P840 Triple-Core
631

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.
Intel Core i7-640UM @ 1.20GHzAMD Phenom II P840 Triple-Core
Max TDP18W35W
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.