Product comparison · 2 cpus

HP 435282-B21 processor vs Lenovo Xeon E5640

10specifications compared
8differ
2identical
7known for one product only

Key differences

The HP 435282-B21 processor has 0.74 GHz more processor base frequency than the Lenovo Xeon E5640 (3.4 GHz vs 2.66 GHz). The Lenovo Xeon E5640 has 2 more processor cores than the HP 435282-B21 processor (4 vs 2). The HP 435282-B21 processor has 4 MB more processor cache than the Lenovo Xeon E5640 (16 MB vs 12 MB). Processor family: Intel® Xeon® 7000 Sequence on the HP 435282-B21 processor, Intel® Xeon® 5000 Sequence on the Lenovo Xeon E5640. Processor model: 7140M on the HP 435282-B21 processor, E5640 on the Lenovo Xeon E5640.

Processor family
- 435282-B21 processor:Intel® Xeon® 7000 Sequence
- Xeon E5640:Intel® Xeon® 5000 Sequence
Processor model
- 435282-B21 processor:7140M
- Xeon E5640:E5640
Processor base frequency
- 435282-B21 processor:3.4 GHz
- Xeon E5640:2.66 GHz
Processor cores
- 435282-B21 processor:2
- Xeon E5640:4
Processor socket
- 435282-B21 processor:Socket 604 (mPGA604)
- Xeon E5640:Socket B (LGA 1366)
Processor cache
- 435282-B21 processor:16 MB
- Xeon E5640:12 MB
Processor front side bus
- 435282-B21 processor:800 MHz
- Xeon E5640:1066 MHz
Thermal Design Power (TDP)
- 435282-B21 processor:150 W
- Xeon E5640:80 W

Side by side

Differences highlightedShow differences only

Comparison of 435282-B21, Xeon E5640
17 specifications	A HP 435282-B21 processor Model 435282-B21 View product	B Lenovo Xeon E5640 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 7000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	7140M	E5640
Processor base frequencyDiffers	3.4 GHz	2.66 GHz
Processor coresDiffers	2	4
Processor socketDiffers	Socket 604 (mPGA604)	Socket B (LGA 1366)
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Package typeKnown for one	Unknown — not stated by the source	Box
Component forKnown for one	Unknown — not stated by the source	Server/workstation
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	16 MB	12 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Thermal Design Power (TDP)Differs	150 W	80 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.800 - 1.300 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	20
Featuresidentical
Market segmentKnown for one	Unknown — not stated by the source	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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