Product comparison · 2 cpus

HP Intel Xeon E5-2640 2.5GHz vs HP Intel Xeon E5-2665 2.4GHz

39specifications compared
11differ
28identical
1known for one product only

Key differences

The HP Intel Xeon E5-2640 2.5GHz has 0.1 GHz more processor base frequency than the HP Intel Xeon E5-2665 2.4GHz (2.5 GHz vs 2.4 GHz). The HP Intel Xeon E5-2665 2.4GHz has 2 more processor cores than the HP Intel Xeon E5-2640 2.5GHz (8 vs 6). The HP Intel Xeon E5-2665 2.4GHz has 4 more processor threads than the HP Intel Xeon E5-2640 2.5GHz (16 vs 12). Processor model: E5-2640 on the HP Intel Xeon E5-2640 2.5GHz, E5-2665 on the HP Intel Xeon E5-2665 2.4GHz. Memory clock speeds supported by processor: 800,1066,1333 MHz on the HP Intel Xeon E5-2640 2.5GHz, 800,1066,1333,1600 MHz on the HP Intel Xeon E5-2665 2.4GHz.

Processor model
- Intel Xeon E5-2640 2.5GHz:E5-2640
- Intel Xeon E5-2665 2.4GHz:E5-2665
Processor base frequency
- Intel Xeon E5-2640 2.5GHz:2.5 GHz
- Intel Xeon E5-2665 2.4GHz:2.4 GHz
Processor cores
- Intel Xeon E5-2640 2.5GHz:6
- Intel Xeon E5-2665 2.4GHz:8
Processor threads
- Intel Xeon E5-2640 2.5GHz:12
- Intel Xeon E5-2665 2.4GHz:16
System bus rate
- Intel Xeon E5-2640 2.5GHz:7.2 GT/s
- Intel Xeon E5-2665 2.4GHz:8 GT/s
Processor boost frequency
- Intel Xeon E5-2640 2.5GHz:3 GHz
- Intel Xeon E5-2665 2.4GHz:3.1 GHz
Thermal Design Power (TDP)
- Intel Xeon E5-2640 2.5GHz:95 W
- Intel Xeon E5-2665 2.4GHz:115 W
Memory bandwidth supported by processor (max)
- Intel Xeon E5-2640 2.5GHz:42.6 GB/s
- Intel Xeon E5-2665 2.4GHz:51.2 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2640 2.5GHz, Intel Xeon E5-2665 2.4GHz
40 specifications	A HP Intel Xeon E5-2640 2.5GHz View product	B HP Intel Xeon E5-2665 2.4GHz View product
Processor8 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
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
Thermal Design Power (TDP)Differs	95 W	115 W
VID Voltage Range	0.60 - 1.35 V	0.60 - 1.35 V
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Memory1 differ
Maximum internal memory supported by processor	750 GB	750 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Supported instruction sets	AVX	AVX
CPU configuration (max)	2	2
Scalability	S2S	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
Operational conditions1 differ
TcaseDiffers	73 °C	81.8 °C
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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