Product comparison · 2 cpus

Acer Intel Xeon X5550 vs HP Z620 Xeon E5-2643 4C 3.30GHz 10MB

35specifications compared
15differ
20identical
24known for one product only

Key differences

The HP Z620 Xeon E5-2643 4C 3.30GHz 10MB has 0.64 GHz more processor base frequency than the Acer Intel Xeon X5550 (3.3 GHz vs 2.66 GHz). The Acer Intel Xeon X5550 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 1.6 GT/s more system bus rate than the Acer Intel Xeon X5550 (8 GT/s vs 6.4 GT/s). Processor family: Intel® Xeon® 5000 Sequence on the Acer Intel Xeon X5550, Intel® Xeon® E5 Family on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB. Processor model: X5550 on the Acer Intel Xeon X5550, E5-2643 on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB.

Processor family
- Intel Xeon X5550:Intel® Xeon® 5000 Sequence
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:Intel® Xeon® E5 Family
Processor model
- Intel Xeon X5550:X5550
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:E5-2643
Processor base frequency
- Intel Xeon X5550:2.66 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.3 GHz
Processor socket
- Intel Xeon X5550:Socket B (LGA 1366)
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:LGA 2011 (Socket R)
Processor lithography
- Intel Xeon X5550:45 nm
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:32 nm
System bus rate
- Intel Xeon X5550:6.4 GT/s
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:8 GT/s
Processor boost frequency
- Intel Xeon X5550:3.06 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.5 GHz
Processor cache
- Intel Xeon X5550:8 MB
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:10 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon X5550, Z620 Xeon E5-2643 4C 3.30GHz 10MB
59 specifications	A Acer Intel Xeon X5550 View product	B HP Z620 Xeon E5-2643 4C 3.30GHz 10MB View product
Processor11 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® E5 Family
Processor modelDiffers	X5550	E5-2643
Processor base frequencyDiffers	2.66 GHz	3.3 GHz
Processor socketDiffers	Socket B (LGA 1366)	LGA 2011 (Socket R)
Processor lithographyDiffers	45 nm	32 nm
System bus rateDiffers	6.4 GT/s	8 GT/s
Processor boost frequencyDiffers	3.06 GHz	3.5 GHz
Processor cacheDiffers	8 MB	10 MB
Processor front side busKnown for one	Unknown — not stated by the source	1600 MHz
Thermal Design Power (TDP)Differs	95 W	130 W
VID Voltage RangeDiffers	0.75 - 1.35 V	0.6 - 1.35 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	35
Memory bandwidth supported by processor (max)Differs	32 GB/s	51.2 GB/s
Package typeKnown for one	Tray	Unknown — not stated by the source
L3 cache speedKnown for one	2.66 GHz	Unknown — not stated by the source
Compatible chipsetsKnown for one	Intel® 5500, Intel® 5520	Unknown — not stated by the source
SteppingKnown for one	D0	Unknown — not stated by the source
Processor codeKnown for one	SLBF5	Unknown — not stated by the source
Memory3 differ
Maximum internal memory supported by processorDiffers	144 GB	750 GB
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Memory channelsDiffers	Triple-channel	Quad-channel
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Featuresidentical
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
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
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor special featuresidentical
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® 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	75 °C	73 °C
Other featuresidentical
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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