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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-7800X @ 3.50GHz vs Intel Core i7-6800K @ 3.40GHz

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

×Intel Core i7-7800X @ 3.50GHz×Intel Core i7-6800K @ 3.40GHz+ ADD
Price$384.99
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$524.041
Socket TypeFCLGA2066LGA2011-v3
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.4 GHz
Turbo SpeedUp to 4.0 GHzUp to 3.8 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP140W140W
Yearly Running Cost$25.55$25.55
First Seen on ChartQ2 2017Q2 2016
# of Samples4401511
Cross-Platform Rating2353623285
Single Thread Rating24182249
CPU Mark1266010485
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of January 2021 - Higher results represent better performance
Intel Core i7-7800X @ 3.50GHz
12,660
Intel Core i7-6800K @ 3.40GHz
10,485
CPU Value (CPU Mark / $Price)
As of 28th of January 2021 - Higher results represent better value
Intel Core i7-7800X @ 3.50GHz
32.88
Intel Core i7-6800K @ 3.40GHz
20.01
CPU Single Thread Rating
As of 28th of January 2021 - Higher results represent better performance
Intel Core i7-7800X @ 3.50GHz
2,418
Intel Core i7-6800K @ 3.40GHz
2,249

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 i7-7800X @ 3.50GHzIntel Core i7-6800K @ 3.40GHz
Max TDP140W140W
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.