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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-9940X @ 3.30GHz vs Intel Core i9-9900X @ 3.50GHz

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 i9-9900X @ 3.50GHz+ ADD
Price$738.171$577.571
Socket TypeFCLGA2066FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.5 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.5 GHz
# of Physical Cores14 (Threads: 28)10 (Threads: 20)
Max TDP165W165W
Yearly Running Cost$30.11$30.11
First Seen on ChartQ4 2018Q4 2018
# of Samples96125
Cross-Platform Rating6147745941
Single Thread Rating26162602
CPU Mark2826821835
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Core i9-9940X @ 3.30GHz
28,268
Intel Core i9-9900X @ 3.50GHz
21,835
CPU Value (CPU Mark / $Price)
As of 27th of January 2021 - Higher results represent better value
Intel Core i9-9940X @ 3.30GHz
38.29
Intel Core i9-9900X @ 3.50GHz
37.80
CPU Single Thread Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Core i9-9940X @ 3.30GHz
2,616
Intel Core i9-9900X @ 3.50GHz
2,602

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 i9-9900X @ 3.50GHz
Max TDP165W165W
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.