Product comparison · 2 cpus

Acer Intel Xeon E3-1280 vs Acer Intel Xeon X5675

39specifications compared
20differ
19identical
15known for one product only

Key differences

Processor family
- Intel Xeon E3-1280:Intel® Xeon® E3 Family
- Intel Xeon X5675:Intel® Xeon® 5000 Sequence
Processor model
- Intel Xeon E3-1280:E3-1280
- Intel Xeon X5675:X5675
Processor base frequency
- Intel Xeon E3-1280:3.5 GHz
- Intel Xeon X5675:3.06 GHz
Processor cores
- Intel Xeon E3-1280:4
- Intel Xeon X5675:6
Processor socket
- Intel Xeon E3-1280:LGA 1155 (Socket H2)
- Intel Xeon X5675:Socket B (LGA 1366)
Processor threads
- Intel Xeon E3-1280:8
- Intel Xeon X5675:12
System bus rate
- Intel Xeon E3-1280:5 GT/s
- Intel Xeon X5675:6.4 GT/s
Processor boost frequency
- Intel Xeon E3-1280:3.9 GHz
- Intel Xeon X5675:3.46 GHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E3-1280, Intel Xeon X5675
54 specifications	A Acer Intel Xeon E3-1280 View product	B Acer Intel Xeon X5675 View product
Processor13 differ
Processor familyDiffers	Intel® Xeon® E3 Family	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E3-1280	X5675
Processor base frequencyDiffers	3.5 GHz	3.06 GHz
Processor coresDiffers	4	6
Processor socketDiffers	LGA 1155 (Socket H2)	Socket B (LGA 1366)
Processor threadsDiffers	8	12
System bus rateDiffers	5 GT/s	6.4 GT/s
Processor boost frequencyDiffers	3.9 GHz	3.46 GHz
Processor cacheDiffers	8 MB	12 MB
L3 cache speedDiffers	3.5 GHz	3.06 GHz
SteppingDiffers	D2	B1
Bus typeDiffers	DMI	QPI
CPU multiplier (bus/core ratio)Known for one	35	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	21 GB/s	32 GB/s
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.750 - 1.350 V
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Processor codeKnown for one	Unknown — not stated by the source	SLBYL
Memory3 differ
Maximum internal memory supported by processorDiffers	32 GB	288 GB
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Features1 differ
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	2	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU configuration (max)Differs	1	2
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	32 nm
Processor special features1 differ
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	Yes
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	73.6 °C	81.3 °C
Weight & dimensions1 differ
Processor package sizeDiffers	37.5 mm	42.5 mm

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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