Product comparison · 2 laptops

Acer B115-M-P121 Intel® Pentium® N3540 Laptop vs Acer Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop

107specifications compared
16differ
91identical
26known for one product only

Key differences

Display diagonal
- B115-M-P121 Intel® Pentium® N3540 Laptop:29.5 cm (11.6")
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:39.6 cm (15.6")
LED backlight
- B115-M-P121 Intel® Pentium® N3540 Laptop:Yes
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:No
Total storage capacity
- B115-M-P121 Intel® Pentium® N3540 Laptop:128 GB
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:1 TB
Storage media
- B115-M-P121 Intel® Pentium® N3540 Laptop:SSD
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:HDD
Optical drive type
- B115-M-P121 Intel® Pentium® N3540 Laptop:No
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:DVD±RW
Numeric keypad
- B115-M-P121 Intel® Pentium® N3540 Laptop:No
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:Yes
Operating system installed
- B115-M-P121 Intel® Pentium® N3540 Laptop:Windows 8.1 Pro
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:Windows 8.1
Battery technology
- B115-M-P121 Intel® Pentium® N3540 Laptop:Lithium-Ion (Li-Ion)
- Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop:Lithium Polymer (LiPo)

Side by side

Differences highlightedShow differences only

Comparison of B115-M-P121, EX2508-P3YS
133 specifications	A Acer B115-M-P121 Intel® Pentium® N3540 Laptop Model B115-M-P121 View product	B Acer Extensa 15 EX2508-P3YS Intel® Pentium® N3540 Laptop Model EX2508-P3YS View product
Designidentical
Market positioningKnown for one	Business	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	29.5 cm (11.6")	39.6 cm (15.6")
LED backlightDiffers	Yes	No
Memoryidentical
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Storage3 differ
Total storage capacityDiffers	128 GB	1 TB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD±RW
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphicsidentical
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Network1 differ
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfacesidentical
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Keyboard1 differ
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1 Pro	Windows 8.1
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	3
Battery capacityDiffers	3315 mAh	3270 mAh
Battery life (max)Known for one	7 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	40 W	45 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
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, Supervisor, User	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	ACPI 3.0	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.32 kg	2.4 kg
WidthDiffers	291 mm	381.6 mm
DepthDiffers	211 mm	258 mm
HeightDiffers	21.2 mm	26.1 mm
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Small Business	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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