Product comparison · 2 cpus

HP Intel Xeon E6540 vs Lenovo Intel Xeon X5660

Key differences

Processor family
- Intel Xeon E6540:Intel® Xeon® 6000 Sequence
- Intel Xeon X5660:Intel® Xeon® 5000 Sequence
Processor model
- Intel Xeon E6540:E6540
- Intel Xeon X5660:X5660
Processor base frequency
- Intel Xeon E6540:2 GHz
- Intel Xeon X5660:2.8 GHz
Processor socket
- Intel Xeon E6540:LGA 1567 (Socket LS)
- Intel Xeon X5660:Socket B (LGA 1366)
Processor lithography
- Intel Xeon E6540:45 nm
- Intel Xeon X5660:32 nm
Processor cache
- Intel Xeon E6540:18 MB
- Intel Xeon X5660:12 MB
Thermal Design Power (TDP)
- Intel Xeon E6540:105 W
- Intel Xeon X5660:95 W

Differences highlightedShow differences only

Comparison of Intel Xeon E6540, Intel Xeon X5660
20 specifications	A HP Intel Xeon E6540 View product	B Lenovo Intel Xeon X5660 View product
Processor7 differ
Processor familyDiffers	Intel® Xeon® 6000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E6540	X5660
Processor base frequencyDiffers	2 GHz	2.8 GHz
Processor cores	6	6
Processor socketDiffers	LGA 1567 (Socket LS)	Socket B (LGA 1366)
Processor lithographyDiffers	45 nm	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
Processor threads	12	12
System bus rate	6.4 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	18 MB	12 MB
Processor cache type	L3	L3
L3 cache speedKnown for one	Unknown — not stated by the source	2.80 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Thermal Design Power (TDP)Differs	105 W	95 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.800 - 1.300 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	21
Processor boost frequencyKnown for one	2.266 GHz	Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server

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.