Product comparison · 2 cpus

Lenovo Intel Xeon E5649 vs Lenovo Intel Xeon X5647

Key differences

Processor model
- Intel Xeon E5649:E5649
- Intel Xeon X5647:X5647
Processor base frequency
- Intel Xeon E5649:2.53 GHz
- Intel Xeon X5647:2.93 GHz
Processor cores
- Intel Xeon E5649:6
- Intel Xeon X5647:4
Processor front side bus
- Intel Xeon E5649:1333 MHz
- Intel Xeon X5647:1066 MHz
Thermal Design Power (TDP)
- Intel Xeon E5649:80 W
- Intel Xeon X5647:130 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5649:19
- Intel Xeon X5647:22
Maximum operating temperature
- Intel Xeon E5649:76.2 °C
- Intel Xeon X5647:80.4 °C

Differences highlightedShow differences only

Comparison of Intel Xeon E5649, Intel Xeon X5647
22 specifications	A Lenovo Intel Xeon E5649 View product	B Lenovo Intel Xeon X5647 View product
Processor6 differ
Processor modelDiffers	E5649	X5647
Processor base frequencyDiffers	2.53 GHz	2.93 GHz
Processor coresDiffers	6	4
Processor threadsKnown for one	12	Unknown — not stated by the source
Processor front side busDiffers	1333 MHz	1066 MHz
Thermal Design Power (TDP)Differs	80 W	130 W
SteppingKnown for one	B1	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	19	22
Processor codeKnown for one	SLBZ8	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Tray
Operational conditions1 differ
Maximum operating temperatureDiffers	76.2 °C	80.4 °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.