Product comparison · 2 cpus

HP Intel Xeon X5660, FI, Ref vs NEC Intel Xeon E5-2403

35specifications compared
15differ
20identical
14known for one product only

Key differences

The HP Intel Xeon X5660, FI, Ref has 1 GHz more processor base frequency than the NEC Intel Xeon E5-2403 (2.8 GHz vs 1.8 GHz). The HP Intel Xeon X5660, FI, Ref has 2 more processor cores than the NEC Intel Xeon E5-2403 (6 vs 4). The HP Intel Xeon X5660, FI, Ref has 8 more processor threads than the NEC Intel Xeon E5-2403 (12 vs 4). Processor family: Intel® Xeon® 5000 Sequence on the HP Intel Xeon X5660, FI, Ref, Intel® Xeon® E5 Family on the NEC Intel Xeon E5-2403. Processor model: X5660 on the HP Intel Xeon X5660, FI, Ref, E5-2403 on the NEC Intel Xeon E5-2403.

Processor family
- Intel Xeon X5660, FI, Ref:Intel® Xeon® 5000 Sequence
- Intel Xeon E5-2403:Intel® Xeon® E5 Family
Processor model
- Intel Xeon X5660, FI, Ref:X5660
- Intel Xeon E5-2403:E5-2403
Processor base frequency
- Intel Xeon X5660, FI, Ref:2.8 GHz
- Intel Xeon E5-2403:1.8 GHz
Processor cores
- Intel Xeon X5660, FI, Ref:6
- Intel Xeon E5-2403:4
Processor socket
- Intel Xeon X5660, FI, Ref:Socket B (LGA 1366)
- Intel Xeon E5-2403:LGA 1356 (Socket B2)
Processor threads
- Intel Xeon X5660, FI, Ref:12
- Intel Xeon E5-2403:4
Processor operating modes
- Intel Xeon X5660, FI, Ref:32-bit, 64-bit
- Intel Xeon E5-2403:64-bit
Processor cache
- Intel Xeon X5660, FI, Ref:12 MB
- Intel Xeon E5-2403:10 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon X5660, FI, Ref, Intel Xeon E5-2403
49 specifications	A HP Intel Xeon X5660, FI, Ref View product	B NEC Intel Xeon E5-2403 View product
Processor12 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® E5 Family
Processor modelDiffers	X5660	E5-2403
Processor base frequencyDiffers	2.8 GHz	1.8 GHz
Processor coresDiffers	6	4
Processor socketDiffers	Socket B (LGA 1366)	LGA 1356 (Socket B2)
Processor threadsDiffers	12	4
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor cacheDiffers	12 MB	10 MB
Thermal Design Power (TDP)Differs	95 W	80 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.6 - 1.35 V
SteppingKnown for one	Unknown — not stated by the source	M1
Number of QPI linksDiffers	2	1
Memory bandwidth supported by processor (max)Differs	32 GB/s	25 GB/s
Processor boost frequencyKnown for one	3.2 GHz	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	288 GB	375 GB
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
Graphicsidentical
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Features1 differ
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Supported instruction setsDiffers	SSE4.2	AVX
CPU configuration (max)Known for one	Unknown — not stated by the source	2
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Processor special featuresidentical
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
Processor package sizeKnown for one	Unknown — not stated by the source	45 mm
Operational conditionsidentical
TcaseKnown for one	81.3 °C	Unknown — not stated by the source

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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