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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 i7-4940MX @ 3.10GHzIntel Core i7-3940XM @ 3.00GHz
Price$609.95 BUY NOW!$539 BUY NOW!
Socket TypeFPGA946,FPGA947rPGA988B
CPU ClassLaptopLaptop
Clockspeed3.1 GHz3.0 GHz
Turbo SpeedUp to 4.0 GHzUp to 3.9 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP57W55W
Yearly Running Cost$10.40$10.04
First Seen on ChartQ1 2014Q4 2012
# of Samples78100
Single Thread Rating22632022
CPU Mark98959308


CPU Mark Rating
As of 25th of September 2018 - Higher results represent better performance
Intel Core i7-4940MX @ 3.10GHz
9,895
Intel Core i7-3940XM @ 3.00GHz
9,308
Intel Core i7-8700K @ 3.70GHz
15,972
AMD Ryzen 7 1700
13,747
Intel Core i7-5820K @ 3.30GHz
12,994
AMD Ryzen 5 1600
12,272
Intel Core i7-7700K @ 4.20GHz
12,045
PassMark Software © 2008-2018

CPU Value (CPU Mark / $Price)
As of 25th of September 2018 - Higher results represent better value
Intel Core i7-4940MX @ 3.10GHz
16.22
Intel Core i7-3940XM @ 3.00GHz
17.27
Intel Core i7-8700K @ 3.70GHz
43.17
AMD Ryzen 7 1700
65.47
Intel Core i7-5820K @ 3.30GHz
43.31
AMD Ryzen 5 1600
81.82
Intel Core i7-7700K @ 4.20GHz
35.96
PassMark Software © 2008-2018

CPU Single Thread Rating
As of 25th of September 2018 - Higher results represent better performance
Intel Core i7-4940MX @ 3.10GHz
2,263
Intel Core i7-3940XM @ 3.00GHz
2,022
Intel Core i7-8700K @ 3.70GHz
2,704
AMD Ryzen 7 1700
1,775
Intel Core i7-5820K @ 3.30GHz
2,021
AMD Ryzen 5 1600
1,822
Intel Core i7-7700K @ 4.20GHz
2,583
PassMark Software © 2008-2018





Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day
Average CPU Utilization (0-100%)1
Power 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 i7-3940XM @ 3.00GHz
Max TDP57W55W
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.


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