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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6700K @ 4.00GHz vs Intel Core i7-5820K @ 3.30GHz

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

×Intel Core i7-6700K @ 4.00GHz×Intel Core i7-5820K @ 3.30GHz+ ADD
Price$249.31
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$246.19
BUY NOW!
Socket TypeLGA1151LGA2011-v3
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.3 GHz
Turbo SpeedUp to 4.2 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 12)
Max TDP95W140W
Yearly Running Cost$17.34$25.55
First Seen on ChartQ3 2015Q3 2014
# of Samples146664497
Single Thread Rating25212005
CPU Mark89769827

CPU Mark Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i7-6700K @ 4.00GHz
8,976
Intel Core i7-5820K @ 3.30GHz
9,827
CPU Value (CPU Mark / $Price)
As of 25th of June 2022 - Higher results represent better value
Intel Core i7-6700K @ 4.00GHz
36.00
Intel Core i7-5820K @ 3.30GHz
39.92
CPU Single Thread Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i7-6700K @ 4.00GHz
2,521
Intel Core i7-5820K @ 3.30GHz
2,005

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 i7-6700K @ 4.00GHzIntel Core i7-5820K @ 3.30GHz
Max TDP95W140W
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.