Product comparison · 2 cpus

Fujitsu Intel Xeon Processor E5-2603 vs NEC Intel Xeon E5-2620v2 6C 2.1GHz

41specifications compared
15differ
26identical
13known for one product only

Key differences

Processor family
- Intel Xeon Processor E5-2603:Intel® Xeon® E5 Family
- Intel Xeon E5-2620v2 6C 2.1GHz:Intel® Xeon® E5 V2 Family
Processor model
- Intel Xeon Processor E5-2603:E5-2603
- Intel Xeon E5-2620v2 6C 2.1GHz:E5-2620V2
Processor base frequency
- Intel Xeon Processor E5-2603:1.8 GHz
- Intel Xeon E5-2620v2 6C 2.1GHz:2.1 GHz
Processor cores
- Intel Xeon Processor E5-2603:4
- Intel Xeon E5-2620v2 6C 2.1GHz:6
Processor lithography
- Intel Xeon Processor E5-2603:32 nm
- Intel Xeon E5-2620v2 6C 2.1GHz:22 nm
Processor threads
- Intel Xeon Processor E5-2603:4
- Intel Xeon E5-2620v2 6C 2.1GHz:12
System bus rate
- Intel Xeon Processor E5-2603:6.4 GT/s
- Intel Xeon E5-2620v2 6C 2.1GHz:7.2 GT/s
Processor cache
- Intel Xeon Processor E5-2603:10 MB
- Intel Xeon E5-2620v2 6C 2.1GHz:15 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon Processor E5-2603, Intel Xeon E5-2620v2 6C 2.1GHz
54 specifications	A Fujitsu Intel Xeon Processor E5-2603 View product	B NEC Intel Xeon E5-2620v2 6C 2.1GHz View product
Processor10 differ
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-2603	E5-2620V2
Processor base frequencyDiffers	1.8 GHz	2.1 GHz
Processor coresDiffers	4	6
Processor lithographyDiffers	32 nm	22 nm
Processor threadsDiffers	4	12
System bus rateDiffers	6.4 GT/s	7.2 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Processor cacheDiffers	10 MB	15 MB
VID Voltage RangeDiffers	0.6 - 1.35 V	0.6 - 1.30 V
Memory bandwidth supported by processor (max)Differs	34.1 GB/s	51.2 GB/s
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Compatible chipsetsKnown for one	Intel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608	Unknown — not stated by the source
SteppingKnown for one	M1	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	750 GB	768 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333,1600 MHz
Featuresidentical
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
Embedded options availableKnown for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Processor special features2 differ
Intel Flex Memory AccessDiffers	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	70 °C	71 °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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