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 Xeon L5640 @ 2.27GHz	Intel Xeon E5640 @ 2.67GHz
Price	$29.97¹	$59.49¹
Socket Type	LGA1366	LGA1366
CPU Class	Server	Server
Clockspeed	2.8 GHz	2.7 GHz
Turbo Speed	Up to 2.8 GHz	Up to 2.9 GHz
# of Physical Cores	6 (2 logical cores per physical)	4 (2 logical cores per physical)
Max TDP	60W	80W
Yearly Running Cost	$10.95	$14.60
First Seen on Chart	Q2 2010	Q2 2010
# of Samples	31	36
Single Thread Rating	1113	1134
CPU Mark	6344	5256

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

CPU Mark Rating
As of 24th of April 2019 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz	6,344
Intel Xeon E5640 @ 2.67GHz	5,256
Intel Core i9-9900K @ 3.60GHz	20,165
AMD Ryzen 7 2700X	16,983
Intel Core i7-8700K @ 3.70GHz	15,964
Intel Core i7-8700 @ 3.20GHz	15,154
AMD Ryzen 7 1700	13,767
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 24th of April 2019 - Higher results represent better value
Intel Xeon L5640 @ 2.27GHz	211.71
Intel Xeon E5640 @ 2.67GHz	88.36
Intel Core i9-9900K @ 3.60GHz	41.15
AMD Ryzen 7 2700X	58.01
Intel Core i7-8700K @ 3.70GHz	44.35
Intel Core i7-8700 @ 3.20GHz	50.52
AMD Ryzen 7 1700	81.22
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 24th of April 2019 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz	1,113
Intel Xeon E5640 @ 2.67GHz	1,134
Intel Core i9-9900K @ 3.60GHz	2,899
AMD Ryzen 7 2700X	2,193
Intel Core i7-8700K @ 3.70GHz	2,702
Intel Core i7-8700 @ 3.20GHz	2,630
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 Xeon L5640 @ 2.27GHz	Intel Xeon E5640 @ 2.67GHz
Max TDP	60W	80W
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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