Product comparison · 2 cpus

Lenovo Intel Xeon E5640 vs Lenovo Xeon L5640

15specifications compared
7differ
8identical
4known for one product only

Key differences

Processor model
- Intel Xeon E5640:E5640
- Xeon L5640:L5640
Processor base frequency
- Intel Xeon E5640:2.66 GHz
- Xeon L5640:2.26 GHz
Processor cores
- Intel Xeon E5640:4
- Xeon L5640:6
Processor cache type
- Intel Xeon E5640:L3
- Xeon L5640:L2
Thermal Design Power (TDP)
- Intel Xeon E5640:80 W
- Xeon L5640:60 W
VID Voltage Range
- Intel Xeon E5640:0.8 - 1.3 V
- Xeon L5640:0.800 - 1.300 V
CPU multiplier (bus/core ratio)
- Intel Xeon E5640:20
- Xeon L5640:17

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5640, Xeon L5640
19 specifications	A Lenovo Intel Xeon E5640 View product	B Lenovo Xeon L5640 View product
Processor7 differ
Processor modelDiffers	E5640	L5640
Processor base frequencyDiffers	2.66 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor threadsKnown for one	8	Unknown — not stated by the source
Processor cache typeDiffers	L3	L2
Thermal Design Power (TDP)Differs	80 W	60 W
VID Voltage RangeDiffers	0.8 - 1.3 V	0.800 - 1.300 V
CPU multiplier (bus/core ratio)Differs	20	17
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
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.

More cpu comparisons

All cpu comparisons