Product comparison · 2 cpus

HP E5640 processor vs HP X5667 processor

Key differences

Processor model
- E5640 processor:E5640
- X5667 processor:X5667
Processor base frequency
- E5640 processor:2.66 GHz
- X5667 processor:3.06 GHz
System bus rate
- E5640 processor:5.86 GT/s
- X5667 processor:6.4 GT/s
Processor boost frequency
- E5640 processor:2.93 GHz
- X5667 processor:3.46 GHz
Thermal Design Power (TDP)
- E5640 processor:80 W
- X5667 processor:95 W
VID Voltage Range
- E5640 processor:0.750 - 1.350 V
- X5667 processor:0.75 - 1.35 V
CPU multiplier (bus/core ratio)
- E5640 processor:20
- X5667 processor:23
Memory bandwidth supported by processor (max)
- E5640 processor:25.6 GB/s
- X5667 processor:32 GB/s

Differences highlightedShow differences only

Comparison of E5640, X5667
27 specifications	A HP E5640 processor Model E5640 View product	B HP X5667 processor Model X5667 View product
Processor9 differ
Processor modelDiffers	E5640	X5667
Processor base frequencyDiffers	2.66 GHz	3.06 GHz
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor boost frequencyDiffers	2.93 GHz	3.46 GHz
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeDiffers	0.750 - 1.350 V	0.75 - 1.35 V
CPU multiplier (bus/core ratio)Differs	20	23
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
Processor codeDiffers	SLBVC	SLBVA
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	82.9 °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.