Product comparison · 2 cpus

Acer Intel Core i7-2640M vs Acer Intel Core i7-3520M

Key differences

Processor generation
- Intel Core i7-2640M:2nd gen Intel® Core™ i7
- Intel Core i7-3520M:3rd gen Intel® Core™ i7
Processor model
- Intel Core i7-2640M:i7-2640M
- Intel Core i7-3520M:i7-3520M
Processor base frequency
- Intel Core i7-2640M:2.8 GHz
- Intel Core i7-3520M:2.9 GHz
Processor lithography
- Intel Core i7-2640M:32 nm
- Intel Core i7-3520M:22 nm
Processor boost frequency
- Intel Core i7-2640M:3.5 GHz
- Intel Core i7-3520M:3.6 GHz
L3 cache speed
- Intel Core i7-2640M:2.8 GHz
- Intel Core i7-3520M:2.9 GHz
Stepping
- Intel Core i7-2640M:J1
- Intel Core i7-3520M:L1
Memory bandwidth supported by processor (max)
- Intel Core i7-2640M:21.3 GB/s
- Intel Core i7-3520M:25.6 GB/s

Differences highlightedShow differences only

Comparison of Intel Core i7-2640M, Intel Core i7-3520M
65 specifications	A Acer Intel Core i7-2640M View product	B Acer Intel Core i7-3520M View product
Processor9 differ
Processor generationDiffers	2nd gen Intel® Core™ i7	3rd gen Intel® Core™ i7
Processor modelDiffers	i7-2640M	i7-3520M
Processor base frequencyDiffers	2.8 GHz	2.9 GHz
Processor lithographyDiffers	32 nm	22 nm
Processor boost frequencyDiffers	3.5 GHz	3.6 GHz
L3 cache speedDiffers	2.8 GHz	2.9 GHz
Compatible chipsetsDiffers	Intel® HM65 Express, Intel HM67 Express, Intel® QM67 Express	Intel® HM75 Express, Intel HM76 Express, Intel HM77 Express, Intel® QM77 Express, Intel® QS77 Express
SteppingDiffers	J1	L1
Memory bandwidth supported by processor (max)Differs	21.3 GB/s	25.6 GB/s
Memory3 differ
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3L-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	1333,1600 MHz
Graphics2 differ
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics 4000
Number of displays supported (on-board graphics)Differs	2	3
Features2 differ
PCI Express slots versionDiffers	2.0	3.0
Graphics & IMC lithographyDiffers	32 nm	22 nm
Processor special featuresidentical
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TjunctionDiffers	100 °C	105 °C

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.