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 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
Processor threadsDiffers	8	12
Processor boost frequencyDiffers	3.9 GHz	3.8 GHz
Processor cacheDiffers	8 MB	25 MB
Thermal Design Power (TDP)Differs	80 W	130 W
SteppingKnown for one	C0	Unknown — not stated by the source
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 clock speeds supported by processorDiffers	1333,1600 MHz	800,1066,1333,1600,1866 MHz
Memory channelsDiffers	Dual-channel	Quad-channel
Features2 differ
Maximum number of PCI Express lanesDiffers	16	40
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
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
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NIDiffers	Yes	No
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
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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