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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-7940X @ 3.10GHz vs Intel Core i9-7900X @ 3.30GHz

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

×Intel Core i9-7940X @ 3.10GHz×Intel Core i9-7900X @ 3.30GHz+ ADD
Price$1489.951$15971
Socket TypeFCLGA2066FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.3 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.5 GHz
# of Physical Cores14 (Threads: 28)10 (Threads: 20)
Max TDP165W140W
Yearly Running Cost$30.11$25.55
First Seen on ChartQ2 2017Q2 2017
# of Samples339895
Cross-Platform Rating5793243509
Single Thread Rating25122612
CPU Mark2689221502
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of May 2021 - Higher results represent better performance
Intel Core i9-7940X @ 3.10GHz
26,892
Intel Core i9-7900X @ 3.30GHz
21,502
CPU Value (CPU Mark / $Price)
As of 6th of May 2021 - Higher results represent better value
Intel Core i9-7940X @ 3.10GHz
18.05
Intel Core i9-7900X @ 3.30GHz
13.46
CPU Single Thread Rating
As of 6th of May 2021 - Higher results represent better performance
Intel Core i9-7940X @ 3.10GHz
2,512
Intel Core i9-7900X @ 3.30GHz
2,612

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 i9-7940X @ 3.10GHzIntel Core i9-7900X @ 3.30GHz
Max TDP165W140W
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.