Product comparison · 2 cpus

Acer Intel Xeon E5506 vs HP Z620 Xeon E5-2643 4C 3.30GHz 10MB

34specifications compared
16differ
18identical
21known for one product only

Key differences

The HP Z620 Xeon E5-2643 4C 3.30GHz 10MB has 1.17 GHz more processor base frequency than the Acer Intel Xeon E5506 (3.3 GHz vs 2.13 GHz). The Acer Intel Xeon E5506 has 13 nm more processor lithography than the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB (45 nm vs 32 nm). The HP Z620 Xeon E5-2643 4C 3.30GHz 10MB has 4 more processor threads than the Acer Intel Xeon E5506 (8 vs 4). Processor family: Intel® Xeon® 5000 Sequence on the Acer Intel Xeon E5506, Intel® Xeon® E5 Family on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB. Processor model: E5506 on the Acer Intel Xeon E5506, E5-2643 on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB.

Processor family
- Intel Xeon E5506:Intel® Xeon® 5000 Sequence
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:Intel® Xeon® E5 Family
Processor model
- Intel Xeon E5506:E5506
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:E5-2643
Processor base frequency
- Intel Xeon E5506:2.13 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.3 GHz
Processor socket
- Intel Xeon E5506:Socket B (LGA 1366)
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:LGA 2011 (Socket R)
Processor lithography
- Intel Xeon E5506:45 nm
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:32 nm
Processor threads
- Intel Xeon E5506:4
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:8
System bus rate
- Intel Xeon E5506:4.8 GT/s
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:8 GT/s
Processor cache
- Intel Xeon E5506:4 MB
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:10 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5506, Z620 Xeon E5-2643 4C 3.30GHz 10MB
55 specifications	A Acer Intel Xeon E5506 View product	B HP Z620 Xeon E5-2643 4C 3.30GHz 10MB View product
Processor12 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® E5 Family
Processor modelDiffers	E5506	E5-2643
Processor base frequencyDiffers	2.13 GHz	3.3 GHz
Processor cores	4	4
Processor socketDiffers	Socket B (LGA 1366)	LGA 2011 (Socket R)
Processor lithographyDiffers	45 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	4	8
System bus rateDiffers	4.8 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
Processor cacheDiffers	4 MB	10 MB
Processor cache type	L3	L3
Processor front side busKnown for one	Unknown — not stated by the source	1600 MHz
Thermal Design Power (TDP)Differs	80 W	130 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.6 - 1.35 V
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Differs	16	35
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	19.2 GB/s	51.2 GB/s
Package typeKnown for one	Tray	Unknown — not stated by the source
L3 cache speedKnown for one	2.13 GHz	Unknown — not stated by the source
SteppingKnown for one	D0	Unknown — not stated by the source
Memory3 differ
Maximum internal memory supported by processorDiffers	144 GB	750 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800 MHz	800,1066,1333,1600 MHz
Memory channelsDiffers	Triple-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 TechnologiesKnown for one	Unknown — not stated by the source	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
Embedded options availableKnown for one	Unknown — not stated by the source	No
ScalabilityKnown for one	Unknown — not stated by the source	S2S
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
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 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)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	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® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	76 °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 Z620
Weight & dimensionsidentical
Processor package sizeKnown for one	42.5 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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