Product comparison · 2 cpus

Fujitsu Intel Xeon E3-1271v3 vs Fujitsu Intel Xeon E5-2650Lv3

53specifications compared
26differ
27identical
10known for one product only

Key differences

The Fujitsu Intel Xeon E3-1271v3 has 1.8 GHz more processor base frequency than the Fujitsu Intel Xeon E5-2650Lv3 (3.6 GHz vs 1.8 GHz). The Fujitsu Intel Xeon E5-2650Lv3 has 8 more processor cores than the Fujitsu Intel Xeon E3-1271v3 (12 vs 4). The Fujitsu Intel Xeon E5-2650Lv3 has 16 more processor threads than the Fujitsu Intel Xeon E3-1271v3 (24 vs 8). Only the Fujitsu Intel Xeon E3-1271v3 has Intel Flex Memory Access. Only the Fujitsu Intel Xeon E3-1271v3 has Intel® Identity Protection Technology (Intel® IPT).

Processor family
- Intel Xeon E3-1271v3:Intel® Xeon® E3 V3 Family
- Intel Xeon E5-2650Lv3:Intel® Xeon® E5 Family
Processor model
- Intel Xeon E3-1271v3:E3-1271V3
- Intel Xeon E5-2650Lv3:E5-2650LV3
Processor base frequency
- Intel Xeon E3-1271v3:3.6 GHz
- Intel Xeon E5-2650Lv3:1.8 GHz
Processor cores
- Intel Xeon E3-1271v3:4
- Intel Xeon E5-2650Lv3:12
Processor socket
- Intel Xeon E3-1271v3:LGA 1150 (Socket H3)
- Intel Xeon E5-2650Lv3:LGA 2011-v3
Processor threads
- Intel Xeon E3-1271v3:8
- Intel Xeon E5-2650Lv3:24
System bus rate
- Intel Xeon E3-1271v3:5 GT/s
- Intel Xeon E5-2650Lv3:9.6 GT/s
Processor boost frequency
- Intel Xeon E3-1271v3:4 GHz
- Intel Xeon E5-2650Lv3:2.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E3-1271v3, Intel Xeon E5-2650Lv3
63 specifications	A Fujitsu Intel Xeon E3-1271v3 View product	B Fujitsu Intel Xeon E5-2650Lv3 View product
Processor15 differ
Processor familyDiffers	Intel® Xeon® E3 V3 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E3-1271V3	E5-2650LV3
Processor base frequencyDiffers	3.6 GHz	1.8 GHz
Processor coresDiffers	4	12
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 2011-v3
Processor threadsDiffers	8	24
System bus rateDiffers	5 GT/s	9.6 GT/s
Processor boost frequencyDiffers	4 GHz	2.5 GHz
Processor cacheDiffers	8 MB	30 MB
Processor cache typeDiffers	L3	Smart Cache
Thermal Design Power (TDP)Differs	80 W	65 W
SteppingDiffers	C0	M1
Bus typeDiffers	DMI	QPI
Number of QPI linksDiffers	0	2
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	68 GB/s
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.65 - 1.3 V
Memory4 differ
Maximum internal memory supported by processorDiffers	32 GB	768 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processorDiffers	1333,1600 MHz	1600,1866,2133 MHz
Memory channelsDiffers	Dual-channel	Quad-channel
Features4 differ
Maximum number of PCI Express lanesDiffers	16	40
PCI Express configurationsKnown for one	1x16, 1x8+2x4, 2x8	Unknown — not stated by the source
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX
CPU configuration (max)Differs	1	2
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
ScalabilityDiffers	1S	2S
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor special features3 differ
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessDiffers	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel TSX-NIDiffers	Yes	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	63.6 °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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