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 L5638 @ 2.00GHz	Intel Xeon E5645 @ 2.40GHz
Price	$69.9¹	$107.98¹
Socket Type	LGA1366	LGA1366
CPU Class	Server	Server
Clockspeed	2.0 GHz	2.4 GHz
Turbo Speed	Up to 2.4 GHz	Up to 2.7 GHz
# of Physical Cores	6 (2 logical cores per physical)	6 (2 logical cores per physical)
Max TDP	60W	80W
Yearly Running Cost	$10.95	$14.60
First Seen on Chart	Q2 2011	Q2 2011
# of Samples	10	49
Single Thread Rating	942	1097
CPU Mark	5556	6424

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

CPU Mark Rating
As of 23rd of August 2019 - Higher results represent better performance
Intel Xeon L5638 @ 2.00GHz	5,556
Intel Xeon E5645 @ 2.40GHz	6,424
Intel Core i9-9900K @ 3.60GHz	20,220
AMD Ryzen 7 2700X	16,960
Intel Core i7-8700K @ 3.70GHz	15,963
Intel Core i7-8700 @ 3.20GHz	15,160
AMD Ryzen 7 1700X	14,682
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 23rd of August 2019 - Higher results represent better value
Intel Xeon L5638 @ 2.00GHz	79.49
Intel Xeon E5645 @ 2.40GHz	59.49
Intel Core i9-9900K @ 3.60GHz	40.85
AMD Ryzen 7 2700X	68.15
Intel Core i7-8700K @ 3.70GHz	45.61
Intel Core i7-8700 @ 3.20GHz	44.59
AMD Ryzen 7 1700X	89.55
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 23rd of August 2019 - Higher results represent better performance
Intel Xeon L5638 @ 2.00GHz	942
Intel Xeon E5645 @ 2.40GHz	1,097
Intel Core i9-9900K @ 3.60GHz	2,898
AMD Ryzen 7 2700X	2,190
Intel Core i7-8700K @ 3.70GHz	2,701
Intel Core i7-8700 @ 3.20GHz	2,631
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 Xeon L5638 @ 2.00GHz	Intel Xeon E5645 @ 2.40GHz
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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