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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-7700K @ 4.20GHz vs Intel Core i7-7740X @ 4.30GHz

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

×Intel Core i7-7700K @ 4.20GHz×Intel Core i7-7740X @ 4.30GHz+ ADD
Price$494.57
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$513.091
Socket Type LGA 1151FCLGA2066
CPU ClassDesktopDesktop
Clockspeed4.2 GHz4.3 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP95W112W
Yearly Running Cost$17.34$20.44
First Seen on ChartQ4 2016Q2 2017
# of Samples8828154
Cross-Platform Rating1789218403
Single Thread Rating27732843
CPU Mark97279940
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of September 2020 - Higher results represent better performance
Intel Core i7-7700K @ 4.20GHz
9,727
Intel Core i7-7740X @ 4.30GHz
9,940
CPU Value (CPU Mark / $Price)
As of 27th of September 2020 - Higher results represent better value
Intel Core i7-7700K @ 4.20GHz
19.67
Intel Core i7-7740X @ 4.30GHz
19.37
CPU Single Thread Rating
As of 27th of September 2020 - Higher results represent better performance
Intel Core i7-7700K @ 4.20GHz
2,773
Intel Core i7-7740X @ 4.30GHz
2,843

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 i7-7700K @ 4.20GHzIntel Core i7-7740X @ 4.30GHz
Max TDP95W112W
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.