Product comparison · 2 cpus

Dell Intel Xeon E5645 vs Dell Intel Xeon X5677

Key differences

Processor model
- Intel Xeon E5645:E5645
- Intel Xeon X5677:X5677
Processor base frequency
- Intel Xeon E5645:2.4 GHz
- Intel Xeon X5677:3.46 GHz
Processor cores
- Intel Xeon E5645:6
- Intel Xeon X5677:4
Processor threads
- Intel Xeon E5645:12
- Intel Xeon X5677:8
System bus rate
- Intel Xeon E5645:5.86 GT/s
- Intel Xeon X5677:6.4 GT/s
Processor boost frequency
- Intel Xeon E5645:2.67 GHz
- Intel Xeon X5677:3.73 GHz
Thermal Design Power (TDP)
- Intel Xeon E5645:80 W
- Intel Xeon X5677:130 W
Tcase
- Intel Xeon E5645:76.2 °C
- Intel Xeon X5677:80.4 °C

Differences highlightedShow differences only

Comparison of Intel Xeon E5645, Intel Xeon X5677
44 specifications	A Dell Intel Xeon E5645 View product	B Dell Intel Xeon X5677 View product
Processor7 differ
Processor modelDiffers	E5645	X5677
Processor base frequencyDiffers	2.4 GHz	3.46 GHz
Processor coresDiffers	6	4
Processor threadsDiffers	12	8
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor boost frequencyDiffers	2.67 GHz	3.73 GHz
Thermal Design Power (TDP)Differs	80 W	130 W
Featuresidentical
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Processor special featuresidentical
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	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.