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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6800K @ 3.40GHz vs Intel Core i7-6700K @ 4.00GHz

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


×Intel Core i7-6800K @ 3.40GHz×Intel Core i7-6700K @ 4.00GHz+ ADD
Price$419
BUY NOW!		$289.99
BUY NOW!
Socket TypeLGA2011-v3LGA1151
CPU ClassDesktopDesktop
Clockspeed3.4 GHz4.0 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.2 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
Max TDP140W95W
Yearly Running Cost$25.55$17.34
First Seen on ChartQ2 2016Q2 2015
# of Samples146313260
Cross-Platform Rating2323916694
Single Thread Rating22772533
CPU Mark105488973

CPU Mark Rating
As of 9th of August 2020 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
 10,548
Intel Core i7-6700K @ 4.00GHz
 8,973
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 9th of August 2020 - Higher results represent better value
Intel Core i7-6800K @ 3.40GHz
 25.18
Intel Core i7-6700K @ 4.00GHz
 30.94
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 9th of August 2020 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
 2,277
Intel Core i7-6700K @ 4.00GHz
 2,533
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 i7-6800K @ 3.40GHzIntel Core i7-6700K @ 4.00GHz
Max TDP140W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
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.