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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6700 @ 3.40GHz vs Intel Core i7-7700K @ 4.20GHz

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 i7-7700K @ 4.20GHz+ ADD
Price$340.99
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$409.99
BUY NOW!
Socket TypeLGA 1151 LGA 1151
CPU ClassDesktopDesktop
Clockspeed3.4 GHz4.2 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ2 2015Q4 2016
# of Samples74949311
Cross-Platform Rating1540018053
Single Thread Rating23002754
CPU Mark80439705

CPU Mark Rating
As of 19th of April 2021 - Higher results represent better performance
Intel Core i7-6700 @ 3.40GHz
8,043
Intel Core i7-7700K @ 4.20GHz
9,705
CPU Value (CPU Mark / $Price)
As of 19th of April 2021 - Higher results represent better value
Intel Core i7-6700 @ 3.40GHz
23.59
Intel Core i7-7700K @ 4.20GHz
23.67
CPU Single Thread Rating
As of 19th of April 2021 - Higher results represent better performance
Intel Core i7-6700 @ 3.40GHz
2,300
Intel Core i7-7700K @ 4.20GHz
2,754

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 i7-7700K @ 4.20GHz
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.