Product comparison · 2 cpus

Lenovo Intel Xeon E5-4620 vs Lenovo Intel Xeon E5-4640

Key differences

Processor model
- Intel Xeon E5-4620:E5-4620
- Intel Xeon E5-4640:E5-4640
Processor base frequency
- Intel Xeon E5-4620:2.2 GHz
- Intel Xeon E5-4640:2.4 GHz
System bus rate
- Intel Xeon E5-4620:7.2 GT/s
- Intel Xeon E5-4640:8 GT/s
Processor boost frequency
- Intel Xeon E5-4620:2.6 GHz
- Intel Xeon E5-4640:2.8 GHz
Processor cache
- Intel Xeon E5-4620:16 MB
- Intel Xeon E5-4640:20 MB
Memory bandwidth supported by processor (max)
- Intel Xeon E5-4620:42.6 GB/s
- Intel Xeon E5-4640:51.2 GB/s
Memory clock speeds supported by processor
- Intel Xeon E5-4620:800,1066,1333 MHz
- Intel Xeon E5-4640:800,1066,1333,1600 MHz
Intel® Turbo Boost Technology
- Intel Xeon E5-4620:2.0
- Intel Xeon E5-4640:Yes

Differences highlightedShow differences only

Comparison of Intel Xeon E5-4620, Intel Xeon E5-4640
48 specifications	A Lenovo Intel Xeon E5-4620 View product	B Lenovo Intel Xeon E5-4640 View product
Processor6 differ
Processor modelDiffers	E5-4620	E5-4640
Processor base frequencyDiffers	2.2 GHz	2.4 GHz
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor boost frequencyDiffers	2.6 GHz	2.8 GHz
Processor cacheDiffers	16 MB	20 MB
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Processor special features1 differ
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.