Product comparison · 2 cpus

Lenovo Intel Xeon E5603 vs Lenovo Intel Xeon X5647

Key differences

Differences highlightedShow differences only

Comparison of Intel Xeon E5603, Intel Xeon X5647
19 specifications	A Lenovo Intel Xeon E5603 View product	B Lenovo Intel Xeon X5647 View product
Processor6 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5603	X5647
Processor base frequencyDiffers	1.6 GHz	2.93 GHz
Processor cores	4	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
System bus rateDiffers	4.8 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	4 MB	12 MB
Processor cache type	L3	L3
Processor front side bus	1066 MHz	1066 MHz
Thermal Design Power (TDP)Differs	80 W	130 W
VID Voltage Range	0.750 - 1.350 V	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Differs	12	22
Featuresidentical
Market segment	Server	Server
Bandwidth	26214.4 MB/s	26214.4 MB/s
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	80.4 °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.