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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-640M @ 2.80GHz vs Intel Core i5-580M @ 2.67GHz

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 i5-580M @ 2.67GHz+ ADD
Price$99.99
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$99.951
Socket TypeBGA1288BGA1288
CPU ClassLaptopLaptop
Clockspeed3.5 GHz3.3 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.3 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
Max TDP35W35W
Yearly Running Cost$6.39$6.39
First Seen on ChartQ4 2010Q2 2010
# of Samples633168
Cross-Platform Rating43493997
Single Thread Rating13941228
CPU Mark20661905
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of February 2021 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
2,066
Intel Core i5-580M @ 2.67GHz
1,905
CPU Value (CPU Mark / $Price)
As of 27th of February 2021 - Higher results represent better value
Intel Core i7-640M @ 2.80GHz
20.66
Intel Core i5-580M @ 2.67GHz
19.06
CPU Single Thread Rating
As of 27th of February 2021 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
1,394
Intel Core i5-580M @ 2.67GHz
1,228

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)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.