Product comparison · 2 cpus

Lenovo Xeon L5640 vs Lenovo Xeon X5660

17specifications compared
5differ
12identical
0known for one product only

Key differences

The Lenovo Xeon X5660 has 0.54 GHz more processor base frequency than the Lenovo Xeon L5640 (2.8 GHz vs 2.26 GHz). The Lenovo Xeon X5660 has 0.54 GT/s more system bus rate than the Lenovo Xeon L5640 (6.4 GT/s vs 5.86 GT/s). The Lenovo Xeon X5660 has 35 W more thermal Design Power (TDP) than the Lenovo Xeon L5640 (95 W vs 60 W). Processor model: L5640 on the Lenovo Xeon L5640, X5660 on the Lenovo Xeon X5660.

Processor model
- Xeon L5640:L5640
- Xeon X5660:X5660
Processor base frequency
- Xeon L5640:2.26 GHz
- Xeon X5660:2.8 GHz
System bus rate
- Xeon L5640:5.86 GT/s
- Xeon X5660:6.4 GT/s
Thermal Design Power (TDP)
- Xeon L5640:60 W
- Xeon X5660:95 W
CPU multiplier (bus/core ratio)
- Xeon L5640:17
- Xeon X5660:21

Side by side

Differences highlightedShow differences only

Comparison of Xeon L5640, Xeon X5660
17 specifications	A Lenovo Xeon L5640 View product	B Lenovo Xeon X5660 View product
Processor5 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L5640	X5660
Processor base frequencyDiffers	2.26 GHz	2.8 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
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 type	L2	L2
Processor front side bus	1333 MHz	1333 MHz
Thermal Design Power (TDP)Differs	60 W	95 W
VID Voltage Range	0.800 - 1.300 V	0.800 - 1.300 V
CPU multiplier (bus/core ratio)Differs	17	21
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.

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