Product comparison · 2 cpus

Acer Intel Core i7-740QM vs HP Xeon E3-1280 processor

16specifications compared
12differ
4identical
37known for one product only

Key differences

Processor family
- Intel Core i7-740QM:Intel® Core™ i7
- Xeon E3-1280 processor:Intel® Xeon® E3 Family
Processor model
- Intel Core i7-740QM:i7-740QM
- Xeon E3-1280 processor:E3-1280
Processor base frequency
- Intel Core i7-740QM:1.73 GHz
- Xeon E3-1280 processor:3.5 GHz
Processor socket
- Intel Core i7-740QM:PGA988
- Xeon E3-1280 processor:LGA 1155 (Socket H2)
Processor lithography
- Intel Core i7-740QM:45 nm
- Xeon E3-1280 processor:32 nm
Package type
- Intel Core i7-740QM:Tray
- Xeon E3-1280 processor:Box
Component for
- Intel Core i7-740QM:Laptop
- Xeon E3-1280 processor:PC
System bus rate
- Intel Core i7-740QM:2.5 GT/s
- Xeon E3-1280 processor:5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i7-740QM, E3-1280
53 specifications	A Acer Intel Core i7-740QM View product	B HP Xeon E3-1280 processor Model E3-1280 View product
Processor11 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Xeon® E3 Family
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-740QM	E3-1280
Processor base frequencyDiffers	1.73 GHz	3.5 GHz
Processor socketDiffers	PGA988	LGA 1155 (Socket H2)
Processor lithographyDiffers	45 nm	32 nm
Package typeDiffers	Tray	Box
Component forDiffers	Laptop	PC
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor boost frequencyDiffers	2.93 GHz	3.9 GHz
Processor cacheDiffers	6 MB	8 MB
L3 cache speedKnown for one	1.73 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	45 W	95 W
Compatible chipsetsKnown for one	Intel® HM55 Express, Intel® PM55 Express, Intel® QM57 Express	Unknown — not stated by the source
SteppingKnown for one	B1	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Processor codeKnown for one	SLBQG	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	35
Memoryidentical
Maximum internal memory supported by processorKnown for one	8 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
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
ECCKnown for one	No	Unknown — not stated by the source
Features1 differ
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Market segmentDiffers	Mobile	Desktop
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	774 M	Unknown — not stated by the source
Processing Die sizeKnown for one	296 mm²	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
BandwidthKnown for one	Unknown — not stated by the source	21000 MB/s
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum operating temperatureKnown for one	Unknown — not stated by the source	73.6 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	37.5 mm	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	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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