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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-3840QM @ 2.80GHz vs Intel Core i7-3820QM @ 2.70GHz

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


×Intel Core i7-3840QM @ 2.80GHz×Intel Core i7-3820QM @ 2.70GHz+ ADD
Price$548.871$5491
Socket TyperPGA988BBGA1224
CPU ClassLaptopLaptop
Clockspeed2.8 GHz2.7 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.7 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP45W45W
Yearly Running Cost$8.21$8.21
First Seen on ChartQ3 2012Q2 2012
# of Samples707479
Single Thread Rating19591921
CPU Mark59645785
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of June 2022 - Higher results represent better performance
Intel Core i7-3840QM @ 2.80GHz
 5,964
Intel Core i7-3820QM @ 2.70GHz
 5,785
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 26th of June 2022 - Higher results represent better value
Intel Core i7-3840QM @ 2.80GHz
 10.87
Intel Core i7-3820QM @ 2.70GHz
 10.54
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 26th of June 2022 - Higher results represent better performance
Intel Core i7-3840QM @ 2.80GHz
 1,959
Intel Core i7-3820QM @ 2.70GHz
 1,921
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 i7-3840QM @ 2.80GHzIntel Core i7-3820QM @ 2.70GHz
Max TDP45W45W
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.