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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-920XM @ 2.00GHz vs Intel Core i7-840QM @ 1.87GHz

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


×Intel Core i7-920XM @ 2.00GHz×Intel Core i7-840QM @ 1.87GHz+ ADD
Price$398.951$338.91
Socket TypePGA988BPGA988A
CPU ClassLaptopLaptop
Clockspeed2.0 GHz1.9 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.2 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP55W45W
Yearly Running Cost$10.04$8.21
First Seen on ChartQ4 2009Q3 2010
# of Samples202226
Single Thread Rating(% diff. to max in group)1003(-9.5%)1108(0.0%)
CPU Mark(% diff. to max in group)1999(0.0%)1938(-3.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 4th of July 2022 - Higher results represent better performance
Intel Core i7-920XM @ 2.00GHz
 1,999
Intel Core i7-840QM @ 1.87GHz
 1,938
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 4th of July 2022 - Higher results represent better value
Intel Core i7-920XM @ 2.00GHz
 5.01
Intel Core i7-840QM @ 1.87GHz
 5.72
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 4th of July 2022 - Higher results represent better performance
Intel Core i7-920XM @ 2.00GHz
 1,003
Intel Core i7-840QM @ 1.87GHz
 1,108
PassMark Software © 2008-2022

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 i7-920XM @ 2.00GHzIntel Core i7-840QM @ 1.87GHz
Max TDP55W45W
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.