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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$198.67
BUY NOW!		$210
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 2016Q3 2015
# of Samples161314672
Single Thread Rating(% diff. to max in group)2278(-9.6%)2521(0.0%)
CPU Mark(% diff. to max in group)10721(0.0%)8976(-16.3%)

CPU Mark Rating
As of 1st of July 2022 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
 10,721
Intel Core i7-6700K @ 4.00GHz
 8,976
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 1st of July 2022 - Higher results represent better value
Intel Core i7-6800K @ 3.40GHz
 53.96
Intel Core i7-6700K @ 4.00GHz
 42.74
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 1st of July 2022 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
 2,278
Intel Core i7-6700K @ 4.00GHz
 2,521
PassMark Software © 2008-2022

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)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.