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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 i7-4900MQ @ 2.80GHz×Intel Core i7-3940XM @ 3.00GHz+ ADD
Price$586.671$539 BUY NOW!
Socket TypeFCPGA946rPGA988B
CPU ClassLaptopLaptop
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.9 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP47W55W
Yearly Running Cost$8.58$10.04
First Seen on ChartQ1 2013Q4 2012
# of Samples579131
Single Thread Rating20761986
CPU Mark89869160

CPU Mark Rating
As of 14th of November 2019 - Higher results represent better performance
Intel Core i7-4900MQ @ 2.80GHz
8,986
Intel Core i7-3940XM @ 3.00GHz
9,160
CPU Value (CPU Mark / $Price)
As of 14th of November 2019 - Higher results represent better value
Intel Core i7-4900MQ @ 2.80GHz
15.32
Intel Core i7-3940XM @ 3.00GHz
17.00
CPU Single Thread Rating
As of 14th of November 2019 - Higher results represent better performance
Intel Core i7-4900MQ @ 2.80GHz
2,076
Intel Core i7-3940XM @ 3.00GHz
1,986

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 i7-4900MQ @ 2.80GHzIntel Core i7-3940XM @ 3.00GHz
Max TDP47W55W
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.