Product comparison · 2 cpus

Dell Intel Xeon E5-2640 vs Dell Intel Xeon E5-2650

23specifications compared
10differ
13identical
27known for one product only

Key differences

Processor model
- Intel Xeon E5-2640:E5-2640
- Intel Xeon E5-2650:E5-2650
Processor base frequency
- Intel Xeon E5-2640:2.5 GHz
- Intel Xeon E5-2650:2 GHz
Processor cores
- Intel Xeon E5-2640:6
- Intel Xeon E5-2650:8
Processor threads
- Intel Xeon E5-2640:12
- Intel Xeon E5-2650:16
System bus rate
- Intel Xeon E5-2640:7.2 GT/s
- Intel Xeon E5-2650:8 GT/s
Processor boost frequency
- Intel Xeon E5-2640:3 GHz
- Intel Xeon E5-2650:2.8 GHz
Processor cache
- Intel Xeon E5-2640:15 MB
- Intel Xeon E5-2650:20 MB
CPU multiplier (bus/core ratio)
- Intel Xeon E5-2640:30
- Intel Xeon E5-2650:28

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2640, Intel Xeon E5-2650
50 specifications	A Dell Intel Xeon E5-2640 View product	B Dell Intel Xeon E5-2650 View product
Processor9 differ
Processor modelDiffers	E5-2640	E5-2650
Processor base frequencyDiffers	2.5 GHz	2 GHz
Processor coresDiffers	6	8
Processor threadsDiffers	12	16
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor boost frequencyDiffers	3 GHz	2.8 GHz
Processor cacheDiffers	15 MB	20 MB
Bus typeKnown for one	QPI	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	30	28
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Memory1 differ
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Featuresidentical
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	40	Unknown — not stated by the source
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
ScalabilityKnown for one	2S	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	73 °C	Unknown — not stated by the source
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77.4 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	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.

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