Product comparison · 2 cpus

Lenovo Intel Xeon Processor E5640 vs Lenovo Xeon L5640

Key differences

Processor model
- Intel Xeon Processor E5640:E5640
- Xeon L5640:L5640
Processor base frequency
- Intel Xeon Processor E5640:2.66 GHz
- Xeon L5640:2.26 GHz
Processor cache type
- Intel Xeon Processor E5640:L3
- Xeon L5640:L2
Thermal Design Power (TDP)
- Intel Xeon Processor E5640:80 W
- Xeon L5640:60 W
VID Voltage Range
- Intel Xeon Processor E5640:0.8 - 1.3 V
- Xeon L5640:0.800 - 1.300 V
CPU multiplier (bus/core ratio)
- Intel Xeon Processor E5640:20
- Xeon L5640:17

Differences highlightedShow differences only

Comparison of Intel Xeon Processor E5640, Xeon L5640
21 specifications	A Lenovo Intel Xeon Processor E5640 View product	B Lenovo Xeon L5640 View product
Processor6 differ
Processor modelDiffers	E5640	L5640
Processor base frequencyDiffers	2.66 GHz	2.26 GHz
Processor cache typeDiffers	L3	L2
L3 cache speedKnown for one	2.66 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	80 W	60 W
VID Voltage RangeDiffers	0.8 - 1.3 V	0.800 - 1.300 V
SteppingKnown for one	B1	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	20	17
Processor codeKnown for one	SLBVC	Unknown — not stated by the source
Processor coresKnown for one	Unknown — not stated by the source	6
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
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.