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 i3-2125 @ 3.30GHz	Intel Core2 Quad Q8400 @ 2.66GHz
Price	$207¹	$239.95¹
Socket Type	LGA1155	LGA775
CPU Class	Desktop	Desktop
Clockspeed	3.3 GHz	2.7 GHz
Turbo Speed	Not Supported	Not Supported
# of Physical Cores	2 (2 logical cores per physical)	4
Max TDP	65W	95W
Yearly Running Cost	$11.86	$17.34
First Seen on Chart	Q2 2011	Q2 2009
# of Samples	89	1302
Single Thread Rating	1698	1121
CPU Mark	4019	3164

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

CPU Mark Rating
As of 27th of March 2019 - Higher results represent better performance
Intel Core i3-2125 @ 3.30GHz	4,019
Intel Core2 Quad Q8400 @ 2.66GHz	3,164
Intel Core i9-9900K @ 3.60GHz	20,175
AMD Ryzen 7 2700X	16,990
Intel Core i7-8700K @ 3.70GHz	15,968
Intel Core i7-8700 @ 3.20GHz	15,140
AMD Ryzen 7 1700	13,762
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 27th of March 2019 - Higher results represent better value
Intel Core i3-2125 @ 3.30GHz	19.42
Intel Core2 Quad Q8400 @ 2.66GHz	13.19
Intel Core i9-9900K @ 3.60GHz	38.07
AMD Ryzen 7 2700X	57.60
Intel Core i7-8700K @ 3.70GHz	42.02
Intel Core i7-8700 @ 3.20GHz	48.07
AMD Ryzen 7 1700	86.02
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 27th of March 2019 - Higher results represent better performance
Intel Core i3-2125 @ 3.30GHz	1,698
Intel Core2 Quad Q8400 @ 2.66GHz	1,121
Intel Core i9-9900K @ 3.60GHz	2,899
AMD Ryzen 7 2700X	2,194
Intel Core i7-8700K @ 3.70GHz	2,703
Intel Core i7-8700 @ 3.20GHz	2,629
AMD Ryzen 7 1700	1,776
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 i3-2125 @ 3.30GHz	Intel Core2 Quad Q8400 @ 2.66GHz
Max TDP	65W	95W
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.

[Home] - [Common CPUs] - [Overclocked CPUs] - [Searchable CPU List] - [Graph Notes]

[High-End CPUs] - [High Mid-Range CPUs] - [Low Mid-Range CPUs] - [Low-End CPUs]

[CPU Mega Page - Detailed CPU List] - [Single Thread CPU Performance]

[CPU Mark by Socket Type] - [Manufacturer Market Share]