Product comparison · 2 cpus

HP Intel Xeon E5640 FIO Kit vs Lenovo Intel Xeon L5640

Key differences

Processor model
- Intel Xeon E5640 FIO Kit:E5640
- Intel Xeon L5640:L5640
Processor base frequency
- Intel Xeon E5640 FIO Kit:2.66 GHz
- Intel Xeon L5640:2.26 GHz
Processor cores
- Intel Xeon E5640 FIO Kit:4
- Intel Xeon L5640:6
Processor threads
- Intel Xeon E5640 FIO Kit:8
- Intel Xeon L5640:12
Thermal Design Power (TDP)
- Intel Xeon E5640 FIO Kit:80 W
- Intel Xeon L5640:60 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5640 FIO Kit:20
- Intel Xeon L5640:17
Maximum operating temperature
- Intel Xeon E5640 FIO Kit:77.6 °C
- Intel Xeon L5640:70 °C

Differences highlightedShow differences only

Comparison of Intel Xeon E5640 FIO Kit, Intel Xeon L5640
25 specifications	A HP Intel Xeon E5640 FIO Kit View product	B Lenovo Intel Xeon L5640 View product
Processor6 differ
Processor modelDiffers	E5640	L5640
Processor base frequencyDiffers	2.66 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor threadsDiffers	8	12
Thermal Design Power (TDP)Differs	80 W	60 W
CPU multiplier (bus/core ratio)Differs	20	17
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
L3 cache speedKnown for one	2.66 GHz	Unknown — not stated by the source
SteppingKnown for one	B1	Unknown — not stated by the source
Featuresidentical
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 conditions1 differ
Maximum operating temperatureDiffers	77.6 °C	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.