Product comparison · 2 cpus

Lenovo Intel Xeon E5640 vs Lenovo Xeon X5650

Key differences

Processor family
- Intel Xeon E5640:Intel® Xeon® 5000 Sequence
- Xeon X5650:Intel® Pentium® III
Processor model
- Intel Xeon E5640:E5640
- Xeon X5650:X5650
Processor cores
- Intel Xeon E5640:4
- Xeon X5650:6
Package type
- Intel Xeon E5640:Tray
- Xeon X5650:Box
System bus rate
- Intel Xeon E5640:5.86 GT/s
- Xeon X5650:6.4 GT/s
Processor cache type
- Intel Xeon E5640:L3
- Xeon X5650:L2
Thermal Design Power (TDP)
- Intel Xeon E5640:80 W
- Xeon X5650:95 W
VID Voltage Range
- Intel Xeon E5640:0.8 - 1.3 V
- Xeon X5650:0.800 - 1.300 V

Differences highlightedShow differences only

Comparison of Intel Xeon E5640, Xeon X5650
19 specifications	A Lenovo Intel Xeon E5640 View product	B Lenovo Xeon X5650 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Pentium® III
Processor modelDiffers	E5640	X5650
Processor base frequency	2.66 GHz	2.66 GHz
Processor coresDiffers	4	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Package typeDiffers	Tray	Box
Component for	Server/workstation	Server/workstation
Processor threadsKnown for one	8	Unknown — not stated by the source
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	12 MB	12 MB
Processor cache typeDiffers	L3	L2
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeDiffers	0.8 - 1.3 V	0.800 - 1.300 V
CPU multiplier (bus/core ratio)	20	20
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	77.6 °C	Unknown — not stated by the source

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.