Product comparison · 2 cpus

Lenovo Intel Xeon E5649 vs Lenovo Intel Xeon E7-4870

Key differences

Processor family
- Intel Xeon E5649:Intel® Xeon® 5000 Sequence
- Intel Xeon E7-4870:Intel® Xeon® E7 Family
Processor model
- Intel Xeon E5649:E5649
- Intel Xeon E7-4870:E7-4870
Processor base frequency
- Intel Xeon E5649:2.53 GHz
- Intel Xeon E7-4870:2.4 GHz
Processor cores
- Intel Xeon E5649:6
- Intel Xeon E7-4870:10
Processor socket
- Intel Xeon E5649:Socket B (LGA 1366)
- Intel Xeon E7-4870:LGA 1567 (Socket LS)
Processor threads
- Intel Xeon E5649:12
- Intel Xeon E7-4870:20
System bus rate
- Intel Xeon E5649:5.86 GT/s
- Intel Xeon E7-4870:6.4 GT/s
Processor cache
- Intel Xeon E5649:12 MB
- Intel Xeon E7-4870:30 MB

Differences highlightedShow differences only

Comparison of Intel Xeon E5649, Intel Xeon E7-4870
22 specifications	A Lenovo Intel Xeon E5649 View product	B Lenovo Intel Xeon E7-4870 View product
Processor12 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® E7 Family
Processor modelDiffers	E5649	E7-4870
Processor base frequencyDiffers	2.53 GHz	2.4 GHz
Processor coresDiffers	6	10
Processor socketDiffers	Socket B (LGA 1366)	LGA 1567 (Socket LS)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	12	20
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	12 MB	30 MB
Processor cache type	L3	L3
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	80 W	130 W
VID Voltage RangeKnown for one	0.750 - 1.350 V	Unknown — not stated by the source
SteppingDiffers	B1	A2
CPU multiplier (bus/core ratio)Differs	19	18
Processor codeDiffers	SLBZ8	SLC3T
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.8 GHz
Featuresidentical
Market segment	Server	Server
BandwidthKnown for one	26214.4 MB/s	Unknown — not stated by the source
Operational conditions1 differ
Maximum operating temperatureDiffers	76.2 °C	69 °C

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.