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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
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$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
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
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

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
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.