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 i7-640LM @ 2.13GHz	AMD Phenom II P920 Quad-Core
Price	Search Online	$75¹
Socket Type	BGA1288	S1
CPU Class	Laptop	Laptop
Clockspeed	2.1 GHz	1.6 GHz
Turbo Speed	Up to 2.9 GHz	Not Supported
# of Physical Cores	2 (2 logical cores per physical)	4
Max TDP	25W	25W
Yearly Running Cost	$4.56	$4.56
First Seen on Chart	Q1 2010	Q2 2010
# of Samples	137	45
Single Thread Rating	1070	509
CPU Mark	2249	1866

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

CPU Mark Rating
As of 26th of August 2019 - Higher results represent better performance
Intel Core i7-640LM @ 2.13GHz	2,249
AMD Phenom II P920 Quad-Core	1,866
Intel Core i9-9900K @ 3.60GHz	20,218
AMD Ryzen 7 2700X	16,956
Intel Core i7-8700K @ 3.70GHz	15,963
Intel Core i7-8700 @ 3.20GHz	15,159
AMD Ryzen 7 1700X	14,681
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 26th of August 2019 - Higher results represent better value
Intel Core i7-640LM @ 2.13GHz	NA
AMD Phenom II P920 Quad-Core	24.89
Intel Core i9-9900K @ 3.60GHz	40.85
AMD Ryzen 7 2700X	70.98
Intel Core i7-8700K @ 3.70GHz	45.61
Intel Core i7-8700 @ 3.20GHz	42.11
AMD Ryzen 7 1700X	89.55
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 26th of August 2019 - Higher results represent better performance
Intel Core i7-640LM @ 2.13GHz	1,070
AMD Phenom II P920 Quad-Core	509
Intel Core i9-9900K @ 3.60GHz	2,898
AMD Ryzen 7 2700X	2,189
Intel Core i7-8700K @ 3.70GHz	2,701
Intel Core i7-8700 @ 3.20GHz	2,630
AMD Ryzen 7 1700X	1,881
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 i7-640LM @ 2.13GHz	AMD Phenom II P920 Quad-Core
Max TDP	25W	25W
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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