Product comparison · 2 cpus

HP Intel Core i7-720QM vs Lenovo Xeon L5640

15specifications compared
13differ
2identical
13known for one product only

Key differences

Processor family
- Intel Core i7-720QM:Intel® Core™ i7
- Xeon L5640:Intel® Xeon® 5000 Sequence
Processor model
- Intel Core i7-720QM:i7-720QM
- Xeon L5640:L5640
Processor base frequency
- Intel Core i7-720QM:1.6 GHz
- Xeon L5640:2.26 GHz
Processor cores
- Intel Core i7-720QM:4
- Xeon L5640:6
Processor socket
- Intel Core i7-720QM:PGA988
- Xeon L5640:Socket B (LGA 1366)
Processor lithography
- Intel Core i7-720QM:45 nm
- Xeon L5640:32 nm
Component for
- Intel Core i7-720QM:Laptop
- Xeon L5640:Server/workstation
System bus rate
- Intel Core i7-720QM:2.5 GT/s
- Xeon L5640:5.86 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i7-720QM, Xeon L5640
28 specifications	A HP Intel Core i7-720QM View product	B Lenovo Xeon L5640 View product
Processor12 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Xeon® 5000 Sequence
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-720QM	L5640
Processor base frequencyDiffers	1.6 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor socketDiffers	PGA988	Socket B (LGA 1366)
Processor lithographyDiffers	45 nm	32 nm
Package type	Tray	Tray
Component forDiffers	Laptop	Server/workstation
Processor threadsKnown for one	8	Unknown — not stated by the source
System bus rateDiffers	2.5 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	2.8 GHz	Unknown — not stated by the source
Processor cacheDiffers	6 MB	12 MB
Processor cache typeDiffers	L3	L2
Thermal Design Power (TDP)Differs	45 W	60 W
CPU multiplier (bus/core ratio)Differs	12	17
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.800 - 1.300 V
Memoryidentical
Maximum internal memory supported by processorKnown for one	8 GB	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
ECCKnown for one	No	Unknown — not stated by the source
Features1 differ
Market segmentDiffers	Mobile	Server
Weight & dimensionsidentical
WidthKnown for one	37.5 mm	Unknown — not stated by the source
DepthKnown for one	37.5 mm	Unknown — not stated by the source
Other featuresidentical
Temperature (max)Known for one	100 °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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