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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6700 @ 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 i7-6700 @ 3.40GHz×Intel Core i7-6700K @ 4.00GHz+ ADD
Price$389.951$305
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Socket TypeLGA 1151LGA1151
CPU ClassDesktopDesktop
Clockspeed3.4 GHz4.0 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.2 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ2 2015Q2 2015
# of Samples748913852
Cross-Platform Rating1539717004
Single Thread Rating23002532
CPU Mark80428969
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of April 2021 - Higher results represent better performance
Intel Core i7-6700 @ 3.40GHz
 8,042
Intel Core i7-6700K @ 4.00GHz
 8,969
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 14th of April 2021 - Higher results represent better value
Intel Core i7-6700 @ 3.40GHz
 20.62
Intel Core i7-6700K @ 4.00GHz
 29.41
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 14th of April 2021 - Higher results represent better performance
Intel Core i7-6700 @ 3.40GHz
 2,300
Intel Core i7-6700K @ 4.00GHz
 2,532
PassMark Software © 2008-2021

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 i7-6700 @ 3.40GHzIntel Core i7-6700K @ 4.00GHz
Max TDP65W95W
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.