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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6800K @ 3.40GHz vs Intel Core i7-8700 @ 3.20GHz

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 i7-8700 @ 3.20GHz+ ADD
Price$389.79
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$299.99
BUY NOW!
Socket TypeLGA2011-v3FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.2 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.6 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP140W65W
Yearly Running Cost$25.55$11.86
First Seen on ChartQ2 2016Q4 2017
# of Samples14775232
Cross-Platform Rating2326125024
Single Thread Rating22672682
CPU Mark1053113106

CPU Mark Rating
As of 22nd of September 2020 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
10,531
Intel Core i7-8700 @ 3.20GHz
13,106
CPU Value (CPU Mark / $Price)
As of 22nd of September 2020 - Higher results represent better value
Intel Core i7-6800K @ 3.40GHz
27.02
Intel Core i7-8700 @ 3.20GHz
43.69
CPU Single Thread Rating
As of 22nd of September 2020 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
2,267
Intel Core i7-8700 @ 3.20GHz
2,682

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 i7-8700 @ 3.20GHz
Max TDP140W65W
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.