Product comparison · 2 cpus

Dell Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI) vs Dell Xeon E5640

Key differences

Processor model
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):E5506
- Xeon E5640:E5640
Processor base frequency
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):2.13 GHz
- Xeon E5640:2.66 GHz
Processor lithography
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):45 nm
- Xeon E5640:32 nm
Processor threads
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):4
- Xeon E5640:8
System bus rate
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):4.8 GT/s
- Xeon E5640:5.86 GT/s
Processor cache
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):4 MB
- Xeon E5640:12 MB
Memory bandwidth supported by processor (max)
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):19.2 GB/s
- Xeon E5640:25.6 GB/s
Maximum internal memory supported by processor
- Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI):144 GB
- Xeon E5640:288 GB

Differences highlightedShow differences only

Comparison of Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI), Xeon E5640
40 specifications	A Dell Intel Xeon E5506 (2.13GHz, 4M Cache, 4.86 GT/s QPI)View product	B Dell Xeon E5640 View product
Processor7 differ
Processor modelDiffers	E5506	E5640
Processor base frequencyDiffers	2.13 GHz	2.66 GHz
Processor lithographyDiffers	45 nm	32 nm
Processor threadsDiffers	4	8
System bus rateDiffers	4.8 GT/s	5.86 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.93 GHz
Processor cacheDiffers	4 MB	12 MB
Memory bandwidth supported by processor (max)Differs	19.2 GB/s	25.6 GB/s
CPU multiplier (bus/core ratio)Known for one	16	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	144 GB	288 GB
Memory clock speeds supported by processorDiffers	800 MHz	800,1066 MHz
Featuresidentical
Supported instruction setsKnown for one	Unknown — not stated by the source	AES, SSE4.2
Processor special features1 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	76 °C	77.6 °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.