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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-7700K @ 4.20GHz vs Intel Core i7-6800K @ 3.40GHz

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 i7-6800K @ 3.40GHz+ ADD
Price$472.98
BUY NOW!		$398.33
BUY NOW!
Socket Type LGA 1151LGA2011-v3
CPU ClassDesktopDesktop
Clockspeed4.2 GHz3.4 GHz
Turbo SpeedUp to 4.5 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 12)
Max TDP95W140W
Yearly Running Cost$17.34$25.55
First Seen on ChartQ4 2016Q2 2016
# of Samples86991466
Cross-Platform Rating1774423245
Single Thread Rating27762277
CPU Mark974310557

CPU Mark Rating
As of 13th of August 2020 - Higher results represent better performance
Intel Core i7-7700K @ 4.20GHz
 9,743
Intel Core i7-6800K @ 3.40GHz
 10,557
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 13th of August 2020 - Higher results represent better value
Intel Core i7-7700K @ 4.20GHz
 20.60
Intel Core i7-6800K @ 3.40GHz
 26.50
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 13th of August 2020 - Higher results represent better performance
Intel Core i7-7700K @ 4.20GHz
 2,776
Intel Core i7-6800K @ 3.40GHz
 2,277
PassMark Software © 2008-2020

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 i7-6800K @ 3.40GHz
Max TDP95W140W
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Power consumption per year (kWh)abcabc
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.