Product comparison · 2 cpus

Fujitsu Intel Xeon E5645 vs Fujitsu Intel Xeon E5649

Key differences

Differences highlightedShow differences only

Comparison of Intel Xeon E5645, Intel Xeon E5649
22 specifications	A Fujitsu Intel Xeon E5645 View product	B Fujitsu Intel Xeon E5649 View product
Processor4 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5645	E5649
Processor base frequencyDiffers	2.4 GHz	2.53 GHz
Processor cores	6	6
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
Processor threads	12	12
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Processor front side bus	1333 MHz	1333 MHz
Thermal Design Power (TDP)	80 W	80 W
VID Voltage Range	0.750 - 1.350 V	0.750 - 1.350 V
Stepping	B1	B1
CPU multiplier (bus/core ratio)Differs	18	19
Processor codeDiffers	SLBWZ	SLBZ8
Featuresidentical
Market segment	Server	Server
Bandwidth	26214.4 MB/s	26214.4 MB/s
Operational conditionsidentical
Maximum operating temperature	76.2 °C	76.2 °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.