Product comparison · 2 laptops

Acer TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop vs Acer TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop

Key differences

Processor model
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:N2840
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:N2940
Processor cores
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:4
Processor threads
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:4
Processor boost frequency
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2.58 GHz
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:2.25 GHz
Processor frequency
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2.16 GHz
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:1.83 GHz
Processor cache
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:1 MB
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:2 MB
On-board graphics card base frequency
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:311 MHz
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:313 MHz
On-board graphics card burst frequency
- TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:792 MHz
- TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop:854 MHz

Differences highlightedShow differences only

Comparison of B115-M-C1DU, B115-M-C5J9
147 specifications	A Acer TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop Model B115-M-C1DU View product	B Acer TravelMate B B115-M-C5J9 Intel® Celeron® N2940 Laptop Model B115-M-C5J9 View product
Processor6 differ
Processor modelDiffers	N2840	N2940
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.58 GHz	2.25 GHz
Processor frequencyDiffers	2.16 GHz	1.83 GHz
Processor cacheDiffers	1 MB	2 MB
Storageidentical
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics3 differ
On-board graphics card base frequencyDiffers	311 MHz	313 MHz
On-board graphics card burst frequencyDiffers	792 MHz	854 MHz
On-board graphics card dynamic frequency (max)Differs	792 MHz	854 MHz
Networkidentical
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Linux Linpus
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Processor special features2 differ
Processor ARK IDDiffers	82103	82104
Processor codeDiffers	SR1YJ	SR1YV
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, Supervisor, User	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.