Product comparison · 2 cpus

HP E5640 processor vs HP L5640 processor

Key differences

Processor model
- E5640 processor:E5640
- L5640 processor:L5640
Processor base frequency
- E5640 processor:2.66 GHz
- L5640 processor:2.26 GHz
Processor cores
- E5640 processor:4
- L5640 processor:6
Processor threads
- E5640 processor:8
- L5640 processor:12
Processor boost frequency
- E5640 processor:2.93 GHz
- L5640 processor:2.8 GHz
Thermal Design Power (TDP)
- E5640 processor:80 W
- L5640 processor:60 W
CPU multiplier (bus/core ratio)
- E5640 processor:20
- L5640 processor:17
Memory bandwidth supported by processor (max)
- E5640 processor:25.6 GB/s
- L5640 processor:32 GB/s

Differences highlightedShow differences only

Comparison of E5640, L5640
27 specifications	A HP E5640 processor Model E5640 View product	B HP L5640 processor Model L5640 View product
Processor9 differ
Processor modelDiffers	E5640	L5640
Processor base frequencyDiffers	2.66 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor threadsDiffers	8	12
Processor boost frequencyDiffers	2.93 GHz	2.8 GHz
Thermal Design Power (TDP)Differs	80 W	60 W
CPU multiplier (bus/core ratio)Differs	20	17
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
Processor codeDiffers	SLBVC	SLBV8
Package typeKnown for one	Unknown — not stated by the source	Tray
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Featuresidentical
BandwidthKnown for one	26214.4 MB/s	Unknown — not stated by the source
Operational conditions1 differ
Maximum operating temperatureDiffers	77.6 °C	69.4 °C

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.