Product comparison · 2 cpus

Acer Intel Xeon E3-1280 vs Dell i7-740QM processor

29specifications compared
15differ
14identical
31known for one product only

Key differences

Processor family
- Intel Xeon E3-1280:Intel® Xeon® E3 Family
- i7-740QM processor:Intel® Core™ i7
Processor model
- Intel Xeon E3-1280:E3-1280
- i7-740QM processor:i7-740QM
Processor base frequency
- Intel Xeon E3-1280:3.5 GHz
- i7-740QM processor:1.73 GHz
Processor socket
- Intel Xeon E3-1280:LGA 1155 (Socket H2)
- i7-740QM processor:PGA988
Processor lithography
- Intel Xeon E3-1280:32 nm
- i7-740QM processor:45 nm
System bus rate
- Intel Xeon E3-1280:5 GT/s
- i7-740QM processor:2.5 GT/s
Processor boost frequency
- Intel Xeon E3-1280:3.9 GHz
- i7-740QM processor:2.93 GHz
Processor cache
- Intel Xeon E3-1280:8 MB
- i7-740QM processor:6 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E3-1280, i7-740QM
60 specifications	A Acer Intel Xeon E3-1280 View product	B Dell i7-740QM processor Model i7-740QM View product
Processor11 differ
Processor familyDiffers	Intel® Xeon® E3 Family	Intel® Core™ i7
Processor modelDiffers	E3-1280	i7-740QM
Processor base frequencyDiffers	3.5 GHz	1.73 GHz
Processor socketDiffers	LGA 1155 (Socket H2)	PGA988
Processor lithographyDiffers	32 nm	45 nm
Package typeKnown for one	Tray	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
System bus rateDiffers	5 GT/s	2.5 GT/s
Processor boost frequencyDiffers	3.9 GHz	2.93 GHz
Processor cacheDiffers	8 MB	6 MB
Processor cache typeDiffers	L3	Smart Cache
L3 cache speedKnown for one	3.5 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	95 W	45 W
SteppingKnown for one	D2	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	35	13
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i7
Memoryidentical
Maximum internal memory supported by processorKnown for one	32 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Features1 differ
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Market segmentKnown for one	Server	Unknown — not stated by the source
Maximum number of PCI Express lanesDiffers	2	16
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	774 M
Processing Die sizeKnown for one	Unknown — not stated by the source	296 mm²
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Embedded options availableKnown for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor special features2 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® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	1.0
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TcaseKnown for one	73.6 °C	Unknown — not stated by the source
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Weight & dimensions1 differ
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	Unknown — not stated by the source
Technical detailsidentical
Processor cacheKnown for one	Unknown — not stated by the source	6144 KB

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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