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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-9940X @ 3.30GHz vs Intel Core i7-8086K @ 4.00GHz

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

×Intel Core i9-9940X @ 3.30GHz×Intel Core i7-8086K @ 4.00GHz+ ADD
Price$738.17
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$691.76
BUY NOW!
Socket TypeFCLGA2066FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.3 GHz4.0 GHz
Turbo SpeedUp to 4.5 GHzUp to 5.0 GHz
# of Physical Cores14 (Threads: 28)6 (Threads: 12)
Max TDP165W95W
Yearly Running Cost$30.11$17.34
First Seen on ChartQ4 2018Q2 2018
# of Samples951041
Cross-Platform Rating6139228597
Single Thread Rating26152926
CPU Mark2823514660

CPU Mark Rating
As of 15th of January 2021 - Higher results represent better performance
Intel Core i9-9940X @ 3.30GHz
28,235
Intel Core i7-8086K @ 4.00GHz
14,660
CPU Value (CPU Mark / $Price)
As of 15th of January 2021 - Higher results represent better value
Intel Core i9-9940X @ 3.30GHz
38.25
Intel Core i7-8086K @ 4.00GHz
21.19
CPU Single Thread Rating
As of 15th of January 2021 - Higher results represent better performance
Intel Core i9-9940X @ 3.30GHz
2,615
Intel Core i7-8086K @ 4.00GHz
2,926

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 i9-9940X @ 3.30GHzIntel Core i7-8086K @ 4.00GHz
Max TDP165W95W
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.