Product comparison · 2 cpus

HP Intel Xeon E5620, FI, Ref vs NEC Intel Xeon E5-2403

36specifications compared
14differ
22identical
12known for one product only

Key differences

The HP Intel Xeon E5620, FI, Ref has 0.6 GHz more processor base frequency than the NEC Intel Xeon E5-2403 (2.4 GHz vs 1.8 GHz). The HP Intel Xeon E5620, FI, Ref has 4 more processor threads than the NEC Intel Xeon E5-2403 (8 vs 4). The NEC Intel Xeon E5-2403 has 0.54 GT/s more system bus rate than the HP Intel Xeon E5620, FI, Ref (6.4 GT/s vs 5.86 GT/s). Processor family: Intel® Xeon® 5000 Sequence on the HP Intel Xeon E5620, FI, Ref, Intel® Xeon® E5 Family on the NEC Intel Xeon E5-2403. Processor model: E5620 on the HP Intel Xeon E5620, FI, Ref, E5-2403 on the NEC Intel Xeon E5-2403.

Processor family
- Intel Xeon E5620, FI, Ref:Intel® Xeon® 5000 Sequence
- Intel Xeon E5-2403:Intel® Xeon® E5 Family
Processor model
- Intel Xeon E5620, FI, Ref:E5620
- Intel Xeon E5-2403:E5-2403
Processor base frequency
- Intel Xeon E5620, FI, Ref:2.4 GHz
- Intel Xeon E5-2403:1.8 GHz
Processor socket
- Intel Xeon E5620, FI, Ref:Socket B (LGA 1366)
- Intel Xeon E5-2403:LGA 1356 (Socket B2)
Processor threads
- Intel Xeon E5620, FI, Ref:8
- Intel Xeon E5-2403:4
System bus rate
- Intel Xeon E5620, FI, Ref:5.86 GT/s
- Intel Xeon E5-2403:6.4 GT/s
Processor operating modes
- Intel Xeon E5620, FI, Ref:32-bit, 64-bit
- Intel Xeon E5-2403:64-bit
Processor cache
- Intel Xeon E5620, FI, Ref:12 MB
- Intel Xeon E5-2403:10 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5620, FI, Ref, Intel Xeon E5-2403
48 specifications	A HP Intel Xeon E5620, 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	E5620	E5-2403
Processor base frequencyDiffers	2.4 GHz	1.8 GHz
Processor cores	4	4
Processor socketDiffers	Socket B (LGA 1366)	LGA 1356 (Socket B2)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	4
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor cacheDiffers	12 MB	10 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	80 W	80 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.6 - 1.35 V
SteppingDiffers	B1	M1
Bus type	QPI	QPI
Number of QPI linksDiffers	2	1
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	25 GB/s
Processor boost frequencyKnown for one	2.66 GHz	Unknown — not stated by the source
Memory1 differ
Maximum internal memory supported by processorDiffers	288 GB	375 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory channels	Triple-channel	Triple-channel
ECC	Yes	Yes
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
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Market segment	Server	Server
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
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel Demand Based Switching	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	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
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	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.

More cpu comparisons

All cpu comparisons