Product comparison · 2 cpus

Fujitsu Intel Xeon E5440 vs NEC Xeon E5-2650 v2 8C 2.6GHz

26specifications compared
16differ
10identical
32known for one product only

Key differences

Processor family
- Intel Xeon E5440:Intel® Xeon®
- Xeon E5-2650 v2 8C 2.6GHz:Intel® Xeon® E5 V2 Family
Processor model
- Intel Xeon E5440:E5440
- Xeon E5-2650 v2 8C 2.6GHz:E5-2650V2
Processor base frequency
- Intel Xeon E5440:2.83 GHz
- Xeon E5-2650 v2 8C 2.6GHz:2.6 GHz
Processor cores
- Intel Xeon E5440:4
- Xeon E5-2650 v2 8C 2.6GHz:8
Processor socket
- Intel Xeon E5440:LGA 771 (Socket J)
- Xeon E5-2650 v2 8C 2.6GHz:LGA 2011 (Socket R)
Processor lithography
- Intel Xeon E5440:45 nm
- Xeon E5-2650 v2 8C 2.6GHz:22 nm
Processor cache
- Intel Xeon E5440:12 MB
- Xeon E5-2650 v2 8C 2.6GHz:20 MB
Processor cache type
- Intel Xeon E5440:L2
- Xeon E5-2650 v2 8C 2.6GHz:L3

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5440, Xeon E5-2650 v2 8C 2.6GHz
58 specifications	A Fujitsu Intel Xeon E5440 View product	B NEC Xeon E5-2650 v2 8C 2.6GHz View product
Processor10 differ
Processor familyDiffers	Intel® Xeon®	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5440	E5-2650V2
Processor base frequencyDiffers	2.83 GHz	2.6 GHz
Processor coresDiffers	4	8
Processor socketDiffers	LGA 771 (Socket J)	LGA 2011 (Socket R)
Processor lithographyDiffers	45 nm	22 nm
Processor threadsKnown for one	Unknown — not stated by the source	16
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.4 GHz
Processor cacheDiffers	12 MB	20 MB
Processor cache typeDiffers	L2	L3
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeDiffers	0.85 - 1.35 V	0.6 - 1.30 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	59.7 GB/s
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
FSB ParityKnown for one	Yes	Unknown — not stated by the source
SteppingKnown for one	E0	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	768 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333,1600,1866 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Quad-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Features1 differ
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Embedded options availableDiffers	Yes	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
ScalabilityKnown for one	Unknown — not stated by the source	2S
Number of Processing Die TransistorsKnown for one	820 M	Unknown — not stated by the source
Processing Die sizeKnown for one	214 mm²	Unknown — not stated by the source
Processor special features4 differ
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	67 °C	75 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	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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