Product comparison · 2 cpus

Lenovo Intel Xeon E7520 vs Lenovo Xeon L5638

13specifications compared
8differ
5identical
5known for one product only

Key differences

The Lenovo Xeon L5638 has 0.14 GHz more processor base frequency than the Lenovo Intel Xeon E7520 (2 GHz vs 1.86 GHz). The Lenovo Xeon L5638 has 2 more processor cores than the Lenovo Intel Xeon E7520 (6 vs 4). The Lenovo Xeon L5638 has 4 more processor threads than the Lenovo Intel Xeon E7520 (12 vs 8). Processor family: Intel® Xeon® 7000 Sequence on the Lenovo Intel Xeon E7520, Intel® Xeon® 5000 Sequence on the Lenovo Xeon L5638. Processor model: E7520 on the Lenovo Intel Xeon E7520, L5638 on the Lenovo Xeon L5638.

Processor family
- Intel Xeon E7520:Intel® Xeon® 7000 Sequence
- Xeon L5638:Intel® Xeon® 5000 Sequence
Processor model
- Intel Xeon E7520:E7520
- Xeon L5638:L5638
Processor base frequency
- Intel Xeon E7520:1.86 GHz
- Xeon L5638:2 GHz
Processor cores
- Intel Xeon E7520:4
- Xeon L5638:6
Processor threads
- Intel Xeon E7520:8
- Xeon L5638:12
System bus rate
- Intel Xeon E7520:4.8 GT/s
- Xeon L5638:5.86 GT/s
Processor cache
- Intel Xeon E7520:18 MB
- Xeon L5638:12 MB
Thermal Design Power (TDP)
- Intel Xeon E7520:95 W
- Xeon L5638:60 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E7520, Xeon L5638
18 specifications	A Lenovo Intel Xeon E7520 View product	B Lenovo Xeon L5638 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 7000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E7520	L5638
Processor base frequencyDiffers	1.86 GHz	2 GHz
Processor coresDiffers	4	6
Processor socketKnown for one	Unknown — not stated by the source	Socket B (LGA 1366)
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	12
System bus rateDiffers	4.8 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	18 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	95 W	60 W
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® 5520
VID Voltage RangeKnown for one	0.675 - 1.35 V	Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	70 °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.

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