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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 i7-640M @ 2.80GHzIntel Core i5-580M @ 2.67GHz
Price$199.951$109.951
Socket TypeBGA1288BGA1288
CPU ClassLaptopLaptop
Clockspeed3.5 GHz3.3 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.3 GHz
# of Physical Cores2 (2 logical cores per physical)2 (2 logical cores per physical)
Max TDP35W35W
Yearly Running Cost$6.39$6.39
First Seen on ChartQ4 2010Q2 2010
# of Samples581151
Single Thread Rating13011222
CPU Mark28272581
CPU Mark Rating
As of 14th of October 2019 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
 2,827
Intel Core i5-580M @ 2.67GHz
 2,581
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 14th of October 2019 - Higher results represent better value
Intel Core i7-640M @ 2.80GHz
 14.14
Intel Core i5-580M @ 2.67GHz
 23.47
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 14th of October 2019 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
 1,301
Intel Core i5-580M @ 2.67GHz
 1,222
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.
Intel Core i7-640M @ 2.80GHzIntel Core i5-580M @ 2.67GHz
Max TDP35W35W
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.