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 Phenom II X4 B65	AMD Phenom II X4 840
Price	Search Online	$89.95¹
Socket Type	AM2+/AM3	AM2+/AM3
CPU Class	Desktop	Desktop
Clockspeed	3.4 GHz	3.2 GHz
Turbo Speed	Not Supported	Not Supported
# of Physical Cores	4	4
Max TDP	NA²	95W
Yearly Running Cost	NA	$17.34
First Seen on Chart	Q1 2011	Q1 2011
# of Samples	18	623
Single Thread Rating	1184	1099
CPU Mark	4172	3508

¹ - Last seen price from our affiliates NewEgg.com & Amazon.com.
² - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 22nd of May 2019 - Higher results represent better performance
AMD Phenom II X4 B65	4,172
AMD Phenom II X4 840	3,508
Intel Core i9-9900K @ 3.60GHz	20,209
AMD Ryzen 7 2700X	16,983
Intel Core i7-8700K @ 3.70GHz	15,963
Intel Core i7-8700 @ 3.20GHz	15,147
AMD Ryzen 7 1700	13,769
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 22nd of May 2019 - Higher results represent better value
AMD Phenom II X4 B65	NA
AMD Phenom II X4 840	39.00
Intel Core i9-9900K @ 3.60GHz	41.67
AMD Ryzen 7 2700X	60.87
Intel Core i7-8700K @ 3.70GHz	44.34
Intel Core i7-8700 @ 3.20GHz	50.49
AMD Ryzen 7 1700	75.24
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 22nd of May 2019 - Higher results represent better performance
AMD Phenom II X4 B65	1,184
AMD Phenom II X4 840	1,099
Intel Core i9-9900K @ 3.60GHz	2,901
AMD Ryzen 7 2700X	2,192
Intel Core i7-8700K @ 3.70GHz	2,702
Intel Core i7-8700 @ 3.20GHz	2,630
AMD Ryzen 7 1700	1,775
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 Phenom II X4 B65	AMD Phenom II X4 840
Max TDP	NA	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.

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