Product comparison · 2 cpus

HP Intel Xeon E5-2640 vs HP Intel Xeon E5-2665

45specifications compared
13differ
32identical
8known for one product only

Key differences

Processor model
- Intel Xeon E5-2640:E5-2640
- Intel Xeon E5-2665:E5-2665
Processor base frequency
- Intel Xeon E5-2640:2.5 GHz
- Intel Xeon E5-2665:2.4 GHz
Processor cores
- Intel Xeon E5-2640:6
- Intel Xeon E5-2665:8
Processor threads
- Intel Xeon E5-2640:12
- Intel Xeon E5-2665:16
System bus rate
- Intel Xeon E5-2640:7.2 GT/s
- Intel Xeon E5-2665:8 GT/s
Processor boost frequency
- Intel Xeon E5-2640:3 GHz
- Intel Xeon E5-2665:3.1 GHz
Processor cache
- Intel Xeon E5-2640:15 MB
- Intel Xeon E5-2665:20 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2640:95 W
- Intel Xeon E5-2665:115 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2640, Intel Xeon E5-2665
53 specifications	A HP Intel Xeon E5-2640 View product	B HP Intel Xeon E5-2665 View product
Processor11 differ
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2640	E5-2665
Processor base frequencyDiffers	2.5 GHz	2.4 GHz
Processor coresDiffers	6	8
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor lithography	32 nm	32 nm
Package typeKnown for one	Box	Unknown — not stated by the source
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	12	16
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3 GHz	3.1 GHz
Processor cacheDiffers	15 MB	20 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	95 W	115 W
VID Voltage RangeDiffers	0.6 - 1.35 V	0.60 - 1.35 V
Stepping	C2	C2
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Differs	30	31
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Memoryidentical
Maximum internal memory supported by processor	750 GB	750 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333,1600 MHz	800,1066,1333,1600 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Server	Server
PCI Express slots version	3.0	3.0
Supported instruction sets	AVX	AVX
CPU configuration (max)	2	2
Embedded options availableKnown for one	No	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Processor special features1 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	Yes	2.0
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 Eligibility	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	73 °C	81.8 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source
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.

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