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.

	AMD Athlon II X2 B28	Intel Pentium G640 @ 2.80GHz
Price	$49.05¹	$24.99 BUY NOW!
Socket Type	AM3	LGA1155
CPU Class	Desktop	Desktop
Clockspeed	3.4 GHz	2.8 GHz
Turbo Speed	Not Supported	Not Supported
# of Physical Cores	2	2
Max TDP	65W	65W
Yearly Running Cost	$11.86	$11.86
First Seen on Chart	Q2 2012	Q2 2012
# of Samples	43	164
Single Thread Rating	1171	1445
CPU Mark	2085	2531

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

CPU Mark Rating
As of 15th of February 2019 - Higher results represent better performance
AMD Athlon II X2 B28	2,085
Intel Pentium G640 @ 2.80GHz	2,531
AMD Ryzen 7 2700X	16,983
Intel Core i7-8700K @ 3.70GHz	15,967
Intel Core i7-8700 @ 3.20GHz	15,138
AMD Ryzen 7 1700	13,745
Intel Core i7-5820K @ 3.30GHz	12,987
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 15th of February 2019 - Higher results represent better value
AMD Athlon II X2 B28	42.52
Intel Pentium G640 @ 2.80GHz	101.32
AMD Ryzen 7 2700X	54.79
Intel Core i7-8700K @ 3.70GHz	44.35
Intel Core i7-8700 @ 3.20GHz	39.41
AMD Ryzen 7 1700	80.86
Intel Core i7-5820K @ 3.30GHz	43.29
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 15th of February 2019 - Higher results represent better performance
AMD Athlon II X2 B28	1,171
Intel Pentium G640 @ 2.80GHz	1,445
AMD Ryzen 7 2700X	2,195
Intel Core i7-8700K @ 3.70GHz	2,703
Intel Core i7-8700 @ 3.20GHz	2,628
AMD Ryzen 7 1700	1,775
Intel Core i7-5820K @ 3.30GHz	2,022
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.

	AMD Athlon II X2 B28	Intel Pentium G640 @ 2.80GHz
Max TDP	65W	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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