Product comparison · 2 cpus

HP 587500-L21 processor vs Lenovo Intel Xeon L5640

Key differences

Processor model
- 587500-L21 processor:E5503
- Intel Xeon L5640:L5640
Processor base frequency
- 587500-L21 processor:2 GHz
- Intel Xeon L5640:2.26 GHz
Processor cores
- 587500-L21 processor:2
- Intel Xeon L5640:6
System bus rate
- 587500-L21 processor:4.8 GT/s
- Intel Xeon L5640:5.86 GT/s
Processor cache
- 587500-L21 processor:4 MB
- Intel Xeon L5640:12 MB
Thermal Design Power (TDP)
- 587500-L21 processor:80 W
- Intel Xeon L5640:60 W
VID Voltage Range
- 587500-L21 processor:0.75 - 1.35 V
- Intel Xeon L5640:0.750 - 1.350 V

Differences highlightedShow differences only

Comparison of 587500-L21, Intel Xeon L5640
22 specifications	A HP 587500-L21 processor Model 587500-L21 View product	B Lenovo Intel Xeon L5640 View product
Processor7 differ
Processor modelDiffers	E5503	L5640
Processor base frequencyDiffers	2 GHz	2.26 GHz
Processor coresDiffers	2	6
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Package typeKnown for one	Unknown — not stated by the source	Tray
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Processor threadsKnown for one	Unknown — not stated by the source	12
System bus rateDiffers	4.8 GT/s	5.86 GT/s
Processor cacheDiffers	4 MB	12 MB
Thermal Design Power (TDP)Differs	80 W	60 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
Featuresidentical
Market segmentKnown for one	Unknown — not stated by the source	Server
BandwidthKnown for one	Unknown — not stated by the source	32768 MB/s
Processor special featuresidentical
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	70 °C
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	42.5 x 0 x 45 mm

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.