Product comparison · 2 cpus

Dell Xeon E5-2603 vs Dell Xeon E5-2667

Key differences

Differences highlightedShow differences only

Comparison of Xeon E5-2603, Xeon E5-2667
52 specifications	A Dell Xeon E5-2603 View product	B Dell Xeon E5-2667 View product
Processor9 differ
Processor modelDiffers	E5-2603	E5-2667
Processor base frequencyDiffers	1.8 GHz	2.9 GHz
Processor coresDiffers	4	6
Processor threadsDiffers	4	12
System bus rateDiffers	6.4 GT/s	8 GT/s
Processor cacheDiffers	10 MB	15 MB
Thermal Design Power (TDP)Differs	80 W	130 W
SteppingKnown for one	M1	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	18	35
Memory bandwidth supported by processor (max)Differs	34.1 GB/s	51.2 GB/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory2 differ
Maximum internal memory supported by processorDiffers	384 GB	750 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333,1600 MHz
Featuresidentical
Maximum number of PCI Express lanesKnown for one	40	Unknown — not stated by the source
Processor special features2 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	No	Yes
Operational conditions1 differ
TcaseDiffers	70 °C	85 °C
Other featuresidentical
CompatibilityKnown for one	DELL PowerEdge T620	Unknown — not stated by the source

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.