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
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
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")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD type	HD	HD
LED backlightDiffers	Yes	No
Native aspect ratio	16:9	16:9
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium®	Intel® Pentium®
Processor model	N3540	N3540
Processor cores	4	4
Processor threads	4	4
Processor boost frequency	2.66 GHz	2.66 GHz
Processor frequency	2.16 GHz	2.16 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor socket	BGA 1170	BGA 1170
Processor lithography	22 nm	22 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor series	Intel® Pentium N3000 Series for Mobile	Intel® Pentium N3000 Series for Mobile
Processor codename	Bay Trail	Bay Trail
Stepping	C0	C0
Thermal Design Power (TDP)	7.5 W	7.5 W
Scenario Design Power (SDP)	4.5 W	4.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	4	4
PCI Express configurations	1x4	1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory slots	1x SO-DIMM	1x SO-DIMM
Maximum internal memory	8 GB	8 GB
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
Card reader integrated	Yes	Yes
Compatible memory cards	SD	SD
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	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	313 MHz	313 MHz
On-board graphics card burst frequency	896 MHz	896 MHz
On-board graphics card dynamic frequency (max)	896 MHz	896 MHz
On-board graphics card DirectX version	11.2	11.2
Audioidentical
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
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)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Ports & interfacesidentical
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
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
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connector	No	No
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1 Pro	Windows 8.1
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	No	No
Processor ARK ID	82105	82105
Processor code	SR1YW	SR1YW
Processor package size	25 x 27 mm	25 x 27 mm
Conflict-Free processor	Yes	Yes
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
DC-in jack	Yes	Yes
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
AC adapter included	Yes	Yes
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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