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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-940XM @ 2.13GHz 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 i7-940XM @ 2.13GHz×Intel Core i5-580M @ 2.67GHz+ ADD
PriceSearch Online$99.951
Socket TypePGA988BGA1288
CPU ClassLaptopLaptop
Clockspeed2.1 GHz3.3 GHz
Turbo SpeedUp to 3.3 GHzUp to 3.3 GHz
# of Physical Cores4 (Threads: 8)2 (Threads: 4)
Max TDP55W35W
Yearly Running Cost$10.04$6.39
First Seen on ChartQ2 2010Q2 2010
# of Samples97168
Cross-Platform Rating80173997
Single Thread Rating12681228
CPU Mark23671905
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of May 2021 - Higher results represent better performance
Intel Core i7-940XM @ 2.13GHz
2,367
Intel Core i5-580M @ 2.67GHz
1,905
CPU Value (CPU Mark / $Price)
As of 15th of May 2021 - Higher results represent better value
Intel Core i7-940XM @ 2.13GHz
NA
Intel Core i5-580M @ 2.67GHz
19.06
CPU Single Thread Rating
As of 15th of May 2021 - Higher results represent better performance
Intel Core i7-940XM @ 2.13GHz
1,268
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 i7-940XM @ 2.13GHzIntel Core i5-580M @ 2.67GHz
Max TDP55W35W
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.