CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

	Intel Core i5-8600K @ 3.60GHz	Intel Core i5-8400 @ 2.80GHz
Price	$264.99¹	$199.99 BUY NOW!
Socket Type	FCLGA1151	FCLGA1151
CPU Class	Desktop	Desktop
Clockspeed	3.6 GHz	2.8 GHz
Turbo Speed	Up to 4.3 GHz	Up to 4.0 GHz
# of Physical Cores	6	6
Max TDP	95W	65W
Yearly Running Cost	$17.34	$11.86
First Seen on Chart	Q4 2017	Q4 2017
# of Samples	1330	2034
Single Thread Rating	2516	2336
CPU Mark	12768	11634

¹ - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of March 2019 - Higher results represent better performance
Intel Core i5-8600K @ 3.60GHz	12,768
Intel Core i5-8400 @ 2.80GHz	11,634
AMD Ryzen 7 2700X	16,988
Intel Core i7-8700K @ 3.70GHz	15,968
Intel Core i7-8700 @ 3.20GHz	15,143
AMD Ryzen 7 1700	13,754
AMD Ryzen 5 2600	13,551
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 21st of March 2019 - Higher results represent better value
Intel Core i5-8600K @ 3.60GHz	48.19
Intel Core i5-8400 @ 2.80GHz	58.17
AMD Ryzen 7 2700X	54.80
Intel Core i7-8700K @ 3.70GHz	42.02
Intel Core i7-8700 @ 3.20GHz	48.07
AMD Ryzen 7 1700	85.97
AMD Ryzen 5 2600	82.13
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 21st of March 2019 - Higher results represent better performance
Intel Core i5-8600K @ 3.60GHz	2,516
Intel Core i5-8400 @ 2.80GHz	2,336
AMD Ryzen 7 2700X	2,194
Intel Core i7-8700K @ 3.70GHz	2,703
Intel Core i7-8700 @ 3.20GHz	2,630
AMD Ryzen 7 1700	1,775
AMD Ryzen 5 2600	2,007
PassMark Software © 2008-2019

Show other common CPUs in charts

Estimated Energy Usage Cost

Estimated Energy Adjustable Values
Average hours of use per day
Average CPU Utilization (0-100%)¹
Power 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 i5-8600K @ 3.60GHz	Intel Core i5-8400 @ 2.80GHz
Max TDP	95W	65W
Power consumption per day (kWh)	abc	abc
Running cost per day	abc	abc
Power consumption per year (kWh)	abc	abc
Running cost per year	abc	abc

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

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