Product comparison · 2 cpus

HP Intel Xeon E5-2680 vs HP Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU

35specifications compared
14differ
21identical
12known for one product only

Key differences

Processor model
- Intel Xeon E5-2680:E5-2680
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:E5-2640
Processor base frequency
- Intel Xeon E5-2680:2.7 GHz
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:2.5 GHz
Processor cores
- Intel Xeon E5-2680:8
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:6
Processor threads
- Intel Xeon E5-2680:16
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:12
System bus rate
- Intel Xeon E5-2680:8 GT/s
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:7.2 GT/s
Processor boost frequency
- Intel Xeon E5-2680:3.5 GHz
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:3 GHz
Processor cache
- Intel Xeon E5-2680:20 MB
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:15 MB
Processor cache type
- Intel Xeon E5-2680:L3
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:L2

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2680, Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU
47 specifications	A HP Intel Xeon E5-2680 View product	B HP Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU View product
Processor11 differ
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2680	E5-2640
Processor base frequencyDiffers	2.7 GHz	2.5 GHz
Processor coresDiffers	8	6
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	16	12
System bus rateDiffers	8 GT/s	7.2 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.5 GHz	3 GHz
Processor cacheDiffers	20 MB	15 MB
Processor cache typeDiffers	L3	L2
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Thermal Design Power (TDP)Differs	130 W	95 W
VID Voltage RangeDiffers	0.60 - 1.35 V	0.6 - 1.35 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	30
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	42.6 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	800,1066,1333,1600 MHz	800,1066,1333 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Server	Server
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
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 features1 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	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	85 °C	73 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
CompatibilityKnown for one	Unknown — not stated by the source	HP Z820
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source

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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