Product comparison · 2 cpus

Lenovo Intel Xeon E5603 vs Lenovo Intel Xeon X5647

Key differences

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Comparison of Intel Xeon E5603, Intel Xeon X5647
19 specifications	A Lenovo Intel Xeon E5603 View product	B Lenovo Intel Xeon X5647 View product
Processor6 differ
Processor modelDiffers	E5603	X5647
Processor base frequencyDiffers	1.6 GHz	2.93 GHz
System bus rateDiffers	4.8 GT/s	5.86 GT/s
Processor cacheDiffers	4 MB	12 MB
Thermal Design Power (TDP)Differs	80 W	130 W
CPU multiplier (bus/core ratio)Differs	12	22
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	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.