Product comparison · 2 cpus

Lenovo Xeon L5640 vs Lenovo Xeon X5550

16specifications compared
8differ
8identical
1known for one product only

Key differences

The Lenovo Xeon X5550 has 0.4 GHz more processor base frequency than the Lenovo Xeon L5640 (2.66 GHz vs 2.26 GHz). The Lenovo Xeon L5640 has 2 more processor cores than the Lenovo Xeon X5550 (6 vs 4). The Lenovo Xeon X5550 has 13 nm more processor lithography than the Lenovo Xeon L5640 (45 nm vs 32 nm). Processor model: L5640 on the Lenovo Xeon L5640, X5550 on the Lenovo Xeon X5550. VID Voltage Range: 0.800 - 1.300 V on the Lenovo Xeon L5640, 0.75 - 1.35 V on the Lenovo Xeon X5550.

Processor model
- Xeon L5640:L5640
- Xeon X5550:X5550
Processor base frequency
- Xeon L5640:2.26 GHz
- Xeon X5550:2.66 GHz
Processor cores
- Xeon L5640:6
- Xeon X5550:4
Processor lithography
- Xeon L5640:32 nm
- Xeon X5550:45 nm
System bus rate
- Xeon L5640:5.86 GT/s
- Xeon X5550:6.4 GT/s
Processor cache
- Xeon L5640:12 MB
- Xeon X5550:8 MB
Thermal Design Power (TDP)
- Xeon L5640:60 W
- Xeon X5550:95 W
VID Voltage Range
- Xeon L5640:0.800 - 1.300 V
- Xeon X5550:0.75 - 1.35 V

Side by side

Differences highlightedShow differences only

Comparison of Xeon L5640, Xeon X5550
17 specifications	A Lenovo Xeon L5640 View product	B Lenovo Xeon X5550 View product
Processor8 differ
Processor modelDiffers	L5640	X5550
Processor base frequencyDiffers	2.26 GHz	2.66 GHz
Processor coresDiffers	6	4
Processor lithographyDiffers	32 nm	45 nm
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor cacheDiffers	12 MB	8 MB
Thermal Design Power (TDP)Differs	60 W	95 W
VID Voltage RangeDiffers	0.800 - 1.300 V	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Known for one	17	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.

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