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 Pentium G645 @ 2.90GHz	Intel Pentium G2120 @ 3.10GHz
Price	$160¹	$159.55¹
Socket Type	LGA1155	FCLGA1155
CPU Class	Desktop	Desktop
Clockspeed	2.9 GHz	3.1 GHz
Turbo Speed	Not Supported	Not Supported
# of Physical Cores	2	2
Max TDP	65W	55W
Yearly Running Cost	$11.86	$10.04
First Seen on Chart	Q1 2012	Q4 2012
# of Samples	326	193
Single Thread Rating	1484	1649
CPU Mark	2587	3079

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

CPU Mark Rating
As of 23rd of September 2019 - Higher results represent better performance
Intel Pentium G645 @ 2.90GHz	2,587
Intel Pentium G2120 @ 3.10GHz	3,079
Intel Core i9-9900K @ 3.60GHz	20,195
Intel Core i7-9700K @ 3.60GHz	17,186
AMD Ryzen 7 2700X	16,980
Intel Core i7-8700K @ 3.70GHz	15,929
Intel Core i7-8700 @ 3.20GHz	15,142
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 23rd of September 2019 - Higher results represent better value
Intel Pentium G645 @ 2.90GHz	16.17
Intel Pentium G2120 @ 3.10GHz	19.30
Intel Core i9-9900K @ 3.60GHz	40.80
Intel Core i7-9700K @ 3.60GHz	47.09
AMD Ryzen 7 2700X	85.76
Intel Core i7-8700K @ 3.70GHz	45.51
Intel Core i7-8700 @ 3.20GHz	41.05
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 23rd of September 2019 - Higher results represent better performance
Intel Pentium G645 @ 2.90GHz	1,484
Intel Pentium G2120 @ 3.10GHz	1,649
Intel Core i9-9900K @ 3.60GHz	2,895
Intel Core i7-9700K @ 3.60GHz	2,819
AMD Ryzen 7 2700X	2,185
Intel Core i7-8700K @ 3.70GHz	2,698
Intel Core i7-8700 @ 3.20GHz	2,628
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 Pentium G645 @ 2.90GHz	Intel Pentium G2120 @ 3.10GHz
Max TDP	65W	55W
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]