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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-8700 @ 3.20GHz 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 i7-8700 @ 3.20GHz×Intel Core i7-5820K @ 3.30GHz+ ADD
Price$299.99
BUY NOW!		$199.991
Socket TypeFCLGA1151-2LGA2011-v3
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.3 GHz
Turbo SpeedUp to 4.6 GHzUp to 3.6 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP65W140W
Yearly Running Cost$11.86$25.55
First Seen on ChartQ4 2017Q2 2014
# of Samples51104188
Cross-Platform Rating2476421268
Single Thread Rating26852004
CPU Mark131189697
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of August 2020 - Higher results represent better performance
Intel Core i7-8700 @ 3.20GHz
 13,118
Intel Core i7-5820K @ 3.30GHz
 9,697
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 5th of August 2020 - Higher results represent better value
Intel Core i7-8700 @ 3.20GHz
 43.73
Intel Core i7-5820K @ 3.30GHz
 48.49
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 5th of August 2020 - Higher results represent better performance
Intel Core i7-8700 @ 3.20GHz
 2,685
Intel Core i7-5820K @ 3.30GHz
 2,004
PassMark Software © 2008-2020

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 i7-8700 @ 3.20GHzIntel Core i7-5820K @ 3.30GHz
Max TDP65W140W
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.