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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-640M @ 2.80GHz vs Intel Core i5-2520M @ 2.50GHz

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

×Intel Core i7-640M @ 2.80GHz×Intel Core i5-2520M @ 2.50GHz+ ADD
Price$99.99
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$42.1
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Socket TypeBGA1288PGA988B
CPU ClassLaptopLaptop
Clockspeed3.5 GHz2.5 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.2 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
Max TDP35W35W
Yearly Running Cost$6.39$6.39
First Seen on ChartQ4 2010Q1 2011
# of Samples6344499
Cross-Platform Rating43294651
Single Thread Rating13891387
CPU Mark20552258

CPU Mark Rating
As of 6th of March 2021 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
2,055
Intel Core i5-2520M @ 2.50GHz
2,258
CPU Value (CPU Mark / $Price)
As of 6th of March 2021 - Higher results represent better value
Intel Core i7-640M @ 2.80GHz
20.56
Intel Core i5-2520M @ 2.50GHz
53.63
CPU Single Thread Rating
As of 6th of March 2021 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
1,389
Intel Core i5-2520M @ 2.50GHz
1,387

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 i5-2520M @ 2.50GHz
Max TDP35W35W
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.