Product comparison · 2 cpus

Dell Xeon E5-2440 vs Dell Xeon E5-2665

49specifications compared
17differ
32identical
7known for one product only

Key differences

Processor model
- Xeon E5-2440:E5-2440
- Xeon E5-2665:E5-2665
Processor cores
- Xeon E5-2440:6
- Xeon E5-2665:8
Processor socket
- Xeon E5-2440:LGA 1356 (Socket B2)
- Xeon E5-2665:LGA 2011 (Socket R)
Processor threads
- Xeon E5-2440:12
- Xeon E5-2665:16
System bus rate
- Xeon E5-2440:7.2 GT/s
- Xeon E5-2665:8 GT/s
Processor boost frequency
- Xeon E5-2440:2.9 GHz
- Xeon E5-2665:3.1 GHz
Processor cache
- Xeon E5-2440:15 MB
- Xeon E5-2665:20 MB
Thermal Design Power (TDP)
- Xeon E5-2440:95 W
- Xeon E5-2665:115 W

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5-2440, Xeon E5-2665
56 specifications	A Dell Xeon E5-2440 View product	B Dell Xeon E5-2665 View product
Processor11 differ
Processor modelDiffers	E5-2440	E5-2665
Processor coresDiffers	6	8
Processor socketDiffers	LGA 1356 (Socket B2)	LGA 2011 (Socket R)
Processor threadsDiffers	12	16
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor boost frequencyDiffers	2.9 GHz	3.1 GHz
Processor cacheDiffers	15 MB	20 MB
Thermal Design Power (TDP)Differs	95 W	115 W
VID Voltage RangeDiffers	0.6 - 1.35 V	0.60 - 1.35 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	31
Number of QPI linksDiffers	1	2
Memory bandwidth supported by processor (max)Differs	32 GB/s	51.2 GB/s
Compatible chipsetsKnown for one	Intel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608	Unknown — not stated by the source
Memory2 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Memory channelsDiffers	Triple-channel	Quad-channel
Features1 differ
Maximum number of PCI Express lanesDiffers	24	40
Processor special features1 differ
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	Yes	2.0
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel QuickPath InterconnectKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	81.8 °C
Weight & dimensions1 differ
Processor package sizeDiffers	45 mm	52.5 mm
Other features1 differ
CompatibilityDiffers	DELL PowerEdge R420, DX6104 CSN, DX6104 SN	DELL PowerEdge T620
Graphicsidentical
On-board graphics cardKnown for one	No	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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