Product comparison · 2 cpus

Lenovo Intel Xeon L5640 vs Lenovo Intel Xeon X5650

Key differences

Processor model
- Intel Xeon L5640:L5640
- Intel Xeon X5650:X5650
Processor base frequency
- Intel Xeon L5640:2.26 GHz
- Intel Xeon X5650:2.66 GHz
System bus rate
- Intel Xeon L5640:5.86 GT/s
- Intel Xeon X5650:6.4 GT/s
Thermal Design Power (TDP)
- Intel Xeon L5640:60 W
- Intel Xeon X5650:95 W
CPU multiplier (bus/core ratio)
- Intel Xeon L5640:17
- Intel Xeon X5650:20
Maximum operating temperature
- Intel Xeon L5640:70 °C
- Intel Xeon X5650:81.3 °C

Differences highlightedShow differences only

Comparison of Intel Xeon L5640, Intel Xeon X5650
22 specifications	A Lenovo Intel Xeon L5640 View product	B Lenovo Intel Xeon X5650 View product
Processor5 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L5640	X5650
Processor base frequencyDiffers	2.26 GHz	2.66 GHz
Processor cores	6	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
Processor threads	12	12
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	60 W	95 W
VID Voltage Range	0.750 - 1.350 V	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Differs	17	20
Featuresidentical
Market segment	Server	Server
Bandwidth	32768 MB/s	32768 MB/s
Processor special featuresidentical
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
Maximum operating temperatureDiffers	70 °C	81.3 °C
Other featuresidentical
Dimensions (WxDxH)	42.5 x 0 x 45 mm	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.