Product comparison · 2 cpus

Dell Intel Xeon E5-2643 vs Fujitsu Intel Xeon E5-2440 v2

45specifications compared
16differ
29identical
6known for one product only

Key differences

Processor family
- Intel Xeon E5-2643:Intel® Xeon® E5 Family
- Intel Xeon E5-2440 v2:Intel® Xeon® E5 V2 Family
Processor model
- Intel Xeon E5-2643:E5-2643
- Intel Xeon E5-2440 v2:E5-2440V2
Processor base frequency
- Intel Xeon E5-2643:3.3 GHz
- Intel Xeon E5-2440 v2:1.9 GHz
Processor cores
- Intel Xeon E5-2643:4
- Intel Xeon E5-2440 v2:8
Processor socket
- Intel Xeon E5-2643:LGA 2011 (Socket R)
- Intel Xeon E5-2440 v2:LGA 1356 (Socket B2)
Processor lithography
- Intel Xeon E5-2643:32 nm
- Intel Xeon E5-2440 v2:22 nm
Processor threads
- Intel Xeon E5-2643:8
- Intel Xeon E5-2440 v2:16
System bus rate
- Intel Xeon E5-2643:8 GT/s
- Intel Xeon E5-2440 v2:7.2 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2643, Intel Xeon E5-2440 v2
51 specifications	A Dell Intel Xeon E5-2643 View product	B Fujitsu Intel Xeon E5-2440 v2 View product
Processor14 differ
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-2643	E5-2440V2
Processor base frequencyDiffers	3.3 GHz	1.9 GHz
Processor coresDiffers	4	8
Processor socketDiffers	LGA 2011 (Socket R)	LGA 1356 (Socket B2)
Processor lithographyDiffers	32 nm	22 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	16
System bus rateDiffers	8 GT/s	7.2 GT/s
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor boost frequencyDiffers	3.5 GHz	2.4 GHz
Processor cacheDiffers	10 MB	20 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	130 W	95 W
VID Voltage RangeDiffers	0.60 - 1.35 V	0.65 - 1.30 V
Bus type	QPI	QPI
Number of QPI linksDiffers	2	1
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	38.4 GB/s
Memory1 differ
Maximum internal memory supported by processor	384 GB	384 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333,1600 MHz	800,1066,1333,1600 MHz
Memory channelsDiffers	Quad-channel	Triple-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Server	Server
PCI Express slots version	3.0	3.0
Embedded options available	No	No
Scalability	2S	2S
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	24
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory Access	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel Demand Based Switching	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	73 °C	80 °C
Packaging dataidentical
Package widthKnown for one	52.5 mm	Unknown — not stated by the source
Package depthKnown for one	45 mm	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x

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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