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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-840QM @ 1.87GHz vs Intel Core i7-820QM @ 1.73GHz

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

×Intel Core i7-840QM @ 1.87GHz×Intel Core i7-820QM @ 1.73GHz+ ADD
Price$289.971$239.951
Socket TypePGA988APGA988A
CPU ClassLaptopLaptop
Clockspeed1.9 GHz1.7 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.1 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP45W45W
Yearly Running Cost$8.21$8.21
First Seen on ChartQ2 2010Q4 2009
# of Samples209391
Cross-Platform Rating63226362
Single Thread Rating9431139
CPU Mark19521869

CPU Mark Rating
As of 27th of May 2020 - Higher results represent better performance
Intel Core i7-840QM @ 1.87GHz
1,952
Intel Core i7-820QM @ 1.73GHz
1,869
CPU Value (CPU Mark / $Price)
As of 27th of May 2020 - Higher results represent better value
Intel Core i7-840QM @ 1.87GHz
6.73
Intel Core i7-820QM @ 1.73GHz
7.79
CPU Single Thread Rating
As of 27th of May 2020 - Higher results represent better performance
Intel Core i7-840QM @ 1.87GHz
943
Intel Core i7-820QM @ 1.73GHz
1,139

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 i7-840QM @ 1.87GHzIntel Core i7-820QM @ 1.73GHz
Max TDP45W45W
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.