Product comparison · 2 cpus

Dell Intel Xeon E3-1270 v3 vs Lenovo Intel Xeon E5-2643 v2

42specifications compared
18differ
24identical
16known for one product only

Key differences

Processor family
- Intel Xeon E3-1270 v3:Intel® Xeon® E3 V3 Family
- Intel Xeon E5-2643 v2:Intel® Xeon® E5 V2 Family
Processor model
- Intel Xeon E3-1270 v3:E3-1270V3
- Intel Xeon E5-2643 v2:E5-2643V2
Processor cores
- Intel Xeon E3-1270 v3:4
- Intel Xeon E5-2643 v2:6
Processor socket
- Intel Xeon E3-1270 v3:LGA 1150 (Socket H3)
- Intel Xeon E5-2643 v2:LGA 2011 (Socket R)
Processor lithography
- Intel Xeon E3-1270 v3:22 nm
- Intel Xeon E5-2643 v2:28 nm
Processor threads
- Intel Xeon E3-1270 v3:8
- Intel Xeon E5-2643 v2:12
Processor boost frequency
- Intel Xeon E3-1270 v3:3.9 GHz
- Intel Xeon E5-2643 v2:3.8 GHz
Processor cache
- Intel Xeon E3-1270 v3:8 MB
- Intel Xeon E5-2643 v2:25 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E3-1270 v3, Intel Xeon E5-2643 v2
58 specifications	A Dell Intel Xeon E3-1270 v3 View product	B Lenovo Intel Xeon E5-2643 v2 View product
Processor11 differ
Processor familyDiffers	Intel® Xeon® E3 V3 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E3-1270V3	E5-2643V2
Processor base frequency	3.5 GHz	3.5 GHz
Processor coresDiffers	4	6
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 2011 (Socket R)
Processor lithographyDiffers	22 nm	28 nm
Package typeKnown for one	Tray	Unknown — not stated by the source
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	12
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.9 GHz	3.8 GHz
Processor cacheDiffers	8 MB	25 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	80 W	130 W
SteppingKnown for one	C0	Unknown — not stated by the source
Bus type	QPI	QPI
Number of QPI linksDiffers	1	2
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	59.7 GB/s
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.65 - 1.30 V
Memory3 differ
Maximum internal memory supported by processorDiffers	32 GB	768 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333,1600 MHz	800,1066,1333,1600,1866 MHz
Memory channelsDiffers	Dual-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Features2 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Server	Server
Maximum number of PCI Express lanesDiffers	16	40
PCI Express slots version	3.0	3.0
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
CPU configuration (max)Differs	1	2
Embedded options available	No	No
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
ScalabilityKnown for one	Unknown — not stated by the source	2S
Processor special features2 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
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)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NIDiffers	Yes	No
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® Secure Key	Yes	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	78 °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.

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