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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-4940MX @ 3.10GHz vs Intel Core i7-8665U @ 1.90GHz

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

×Intel Core i7-4940MX @ 3.10GHz×Intel Core i7-8665U @ 1.90GHz+ ADD
Price$699.951$679.3
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Socket TypeFPGA946,FPGA947FCBGA1528
CPU ClassLaptopLaptop
Clockspeed3.1 GHz1.9 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP57W15W
Yearly Running Cost$10.40$2.74
First Seen on ChartQ1 2014Q2 2019
# of Samples102286
Cross-Platform Rating1483812994
Single Thread Rating21752360
CPU Mark67626625
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 20th of October 2020 - Higher results represent better performance
Intel Core i7-4940MX @ 3.10GHz
6,762
Intel Core i7-8665U @ 1.90GHz
6,625
CPU Value (CPU Mark / $Price)
As of 20th of October 2020 - Higher results represent better value
Intel Core i7-4940MX @ 3.10GHz
9.66
Intel Core i7-8665U @ 1.90GHz
9.75
CPU Single Thread Rating
As of 20th of October 2020 - Higher results represent better performance
Intel Core i7-4940MX @ 3.10GHz
2,175
Intel Core i7-8665U @ 1.90GHz
2,360

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 i7-4940MX @ 3.10GHzIntel Core i7-8665U @ 1.90GHz
Max TDP57W15W
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.