Product comparison · 2 cpus

Acer Intel Core2 Quad Q9550 vs HP Z620 Xeon E5-2643 4C 3.30GHz 10MB

23specifications compared
13differ
10identical
33known for one product only

Key differences

The HP Z620 Xeon E5-2643 4C 3.30GHz 10MB has 0.47 GHz more processor base frequency than the Acer Intel Core2 Quad Q9550 (3.3 GHz vs 2.83 GHz). The Acer Intel Core2 Quad Q9550 has 13 nm more processor lithography than the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB (45 nm vs 32 nm). The Acer Intel Core2 Quad Q9550 has 2 MB more processor cache than the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB (12 MB vs 10 MB). Processor family: Intel® Core™2 Quad on the Acer Intel Core2 Quad Q9550, Intel® Xeon® E5 Family on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB. Processor model: Q9550 on the Acer Intel Core2 Quad Q9550, E5-2643 on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB.

Processor family
- Intel Core2 Quad Q9550:Intel® Core™2 Quad
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:Intel® Xeon® E5 Family
Processor model
- Intel Core2 Quad Q9550:Q9550
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:E5-2643
Processor base frequency
- Intel Core2 Quad Q9550:2.83 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.3 GHz
Processor socket
- Intel Core2 Quad Q9550:LGA 775 (Socket T)
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:LGA 2011 (Socket R)
Processor lithography
- Intel Core2 Quad Q9550:45 nm
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:32 nm
Component for
- Intel Core2 Quad Q9550:PC
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:Server/workstation
Processor cache
- Intel Core2 Quad Q9550:12 MB
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:10 MB
Processor cache type
- Intel Core2 Quad Q9550:L2
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:L3

Side by side

Differences highlightedShow differences only

Comparison of Intel Core2 Quad Q9550, Z620 Xeon E5-2643 4C 3.30GHz 10MB
56 specifications	A Acer Intel Core2 Quad Q9550 View product	B HP Z620 Xeon E5-2643 4C 3.30GHz 10MB View product
Processor11 differ
Processor familyDiffers	Intel® Core™2 Quad	Intel® Xeon® E5 Family
Processor modelDiffers	Q9550	E5-2643
Processor base frequencyDiffers	2.83 GHz	3.3 GHz
Processor socketDiffers	LGA 775 (Socket T)	LGA 2011 (Socket R)
Processor lithographyDiffers	45 nm	32 nm
Component forDiffers	PC	Server/workstation
Processor threadsKnown for one	Unknown — not stated by the source	8
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
Processor cacheDiffers	12 MB	10 MB
Processor cache typeDiffers	L2	L3
Processor front side busDiffers	1333 MHz	1600 MHz
Thermal Design Power (TDP)Differs	95 W	130 W
VID Voltage RangeDiffers	0.8500 - 1.3625 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	35
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	51.2 GB/s
Package typeKnown for one	Tray	Unknown — not stated by the source
L2 cache speedKnown for one	2.83 GHz	Unknown — not stated by the source
Compatible chipsetsKnown for one	Intel® G33 Express, Intel® G35 Express, Intel® G41 Express, Intel® G43 Express, Intel® G45 Express, Intel® P35 Express, Intel® P43 Express, Intel® P45 Express, Intel® Q33 Express, Intel® Q35 Express, Intel® Q43 Express, Intel® Q45 Express, Intel® X38 Express, Intel® X48 Express	Unknown — not stated by the source
FSB ParityKnown for one	Yes	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	750 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333,1600 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Quad-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Features1 differ
Market segmentDiffers	Desktop	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
Number of Processing Die TransistorsKnown for one	820 M	Unknown — not stated by the source
Processing Die sizeKnown for one	214 mm²	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® 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 SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	71.4 °C	73 °C
Other featuresidentical
CompatibilityKnown for one	Unknown — not stated by the source	HP Z620
Weight & dimensionsidentical
Processor package sizeKnown for one	37.5 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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