Product comparison · 2 cpus

Lenovo Intel Xeon E5-2665 vs Lenovo Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W

42specifications compared
16differ
26identical
13known for one product only

Key differences

Processor model
- Intel Xeon E5-2665:E5-2665
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:E5-2403
Processor base frequency
- Intel Xeon E5-2665:2.4 GHz
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:1.8 GHz
Processor cores
- Intel Xeon E5-2665:8
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:4
Processor socket
- Intel Xeon E5-2665:LGA 2011 (Socket R)
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:LGA 1356 (Socket B2)
Processor threads
- Intel Xeon E5-2665:16
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:4
System bus rate
- Intel Xeon E5-2665:8 GT/s
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:6.4 GT/s
Processor cache
- Intel Xeon E5-2665:20 MB
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:10 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2665:115 W
- Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W:80 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2665, Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W
55 specifications	A Lenovo Intel Xeon E5-2665 View product	B Lenovo Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W View product
Processor11 differ
Processor modelDiffers	E5-2665	E5-2403
Processor base frequencyDiffers	2.4 GHz	1.8 GHz
Processor coresDiffers	8	4
Processor socketDiffers	LGA 2011 (Socket R)	LGA 1356 (Socket B2)
Processor threadsDiffers	16	4
System bus rateDiffers	8 GT/s	6.4 GT/s
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor cacheDiffers	20 MB	10 MB
Thermal Design Power (TDP)Differs	115 W	80 W
VID Voltage RangeDiffers	0.60 - 1.35 V	0.6 - 1.35 V
SteppingKnown for one	C2	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	31	Unknown — not stated by the source
Number of QPI linksDiffers	2	1
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	25 GB/s
Processor codeKnown for one	SR0L1	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Memory3 differ
Maximum internal memory supported by processorDiffers	750 GB	375 GB
Memory clock speeds supported by processorDiffers	800,1066,1333,1600 MHz	800,1066 MHz
Memory channelsDiffers	Quad-channel	Triple-channel
Featuresidentical
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	24
Embedded options availableKnown for one	Unknown — not stated by the source	No
Processor special features2 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	81.8 °C	Unknown — not stated by the source
Other featuresidentical
Height (imperial)Known for one	5.59 mm (0.22")	Unknown — not stated by the source
CompatibilityKnown for one	Unknown — not stated by the source	IBM System x3300 M4 (7382)

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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