Product comparison · 2 cpus

Lenovo Intel Xeon L5609 vs Lenovo Intel Xeon L5640

Key differences

Processor model
- Intel Xeon L5609:L5609
- Intel Xeon L5640:L5640
Processor base frequency
- Intel Xeon L5609:1.86 GHz
- Intel Xeon L5640:2.26 GHz
Processor cores
- Intel Xeon L5609:4
- Intel Xeon L5640:6
Processor threads
- Intel Xeon L5609:4
- Intel Xeon L5640:12
System bus rate
- Intel Xeon L5609:4.8 GT/s
- Intel Xeon L5640:5.86 GT/s
Thermal Design Power (TDP)
- Intel Xeon L5609:40 W
- Intel Xeon L5640:60 W
VID Voltage Range
- Intel Xeon L5609:0.8 - 1.3 V
- Intel Xeon L5640:0.750 - 1.350 V
CPU multiplier (bus/core ratio)
- Intel Xeon L5609:14
- Intel Xeon L5640:17

Differences highlightedShow differences only

Comparison of Intel Xeon L5609, Intel Xeon L5640
22 specifications	A Lenovo Intel Xeon L5609 View product	B Lenovo Intel Xeon L5640 View product
Processor8 differ
Processor modelDiffers	L5609	L5640
Processor base frequencyDiffers	1.86 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Processor threadsDiffers	4	12
System bus rateDiffers	4.8 GT/s	5.86 GT/s
Thermal Design Power (TDP)Differs	40 W	60 W
VID Voltage RangeDiffers	0.8 - 1.3 V	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Differs	14	17
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 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.