Product comparison · 2 laptops

Acer B115-M-P121 Intel® Pentium® N3540 Laptop vs Acer TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop

102specifications compared
42differ
60identical
58known for one product only

Key differences

Display diagonal
- B115-M-P121 Intel® Pentium® N3540 Laptop:29.5 cm (11.6")
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:39.6 cm (15.6")
Processor model
- B115-M-P121 Intel® Pentium® N3540 Laptop:N3540
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:3805U
Processor cores
- B115-M-P121 Intel® Pentium® N3540 Laptop:4
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:2
Processor threads
- B115-M-P121 Intel® Pentium® N3540 Laptop:4
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:2
Processor frequency
- B115-M-P121 Intel® Pentium® N3540 Laptop:2.16 GHz
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:1.9 GHz
Processor cache type
- B115-M-P121 Intel® Pentium® N3540 Laptop:L2
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:L3
Processor socket
- B115-M-P121 Intel® Pentium® N3540 Laptop:BGA 1170
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:BGA 1168
Processor lithography
- B115-M-P121 Intel® Pentium® N3540 Laptop:22 nm
- TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop:14 nm

Side by side

Differences highlightedShow differences only

Comparison of B115-M-P121, P257-M-P47M
160 specifications	A Acer B115-M-P121 Intel® Pentium® N3540 Laptop Model B115-M-P121 View product	B Acer TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop Model P257-M-P47M 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
Display1 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 backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor14 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium®	Intel® Pentium®
Processor modelDiffers	N3540	3805U
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.16 GHz	1.9 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cache	2 MB	2 MB
Processor cache typeDiffers	L2	L3
Processor socketDiffers	BGA 1170	BGA 1168
Processor lithographyDiffers	22 nm	14 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel® Pentium N3000 Series for Mobile	Intel Pentium 3000 series for Mobile
Processor codenameDiffers	Bay Trail	Broadwell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
SteppingDiffers	C0	E0
Thermal Design Power (TDP)Differs	7.5 W	15 W
Configurable TDP-downKnown for one	Unknown — not stated by the source	10 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.6 GHz
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	4	12
PCI Express configurationsDiffers	1x4	2x4, 4x1
PCI Express slots version	2.0	2.0
Processor boost frequencyKnown for one	2.66 GHz	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
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
Storage4 differ
Total storage capacityDiffers	128 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Number of SSDs installedDiffers	1	0
Optical drive typeDiffers	No	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	SD	SD
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequencyDiffers	313 MHz	100 MHz
On-board graphics card dynamic frequency (max)Differs	896 MHz	800 MHz
On-board graphics card DirectX versionDiffers	11.2	11.2/12
On-board graphics card burst frequencyKnown for one	896 MHz	Unknown — not stated by the source
Audioidentical
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 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
BluetoothKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connector	No	No
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
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Windows keys	Yes	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1 Pro	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1 Pro
Processor special features7 differ
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 lithographyDiffers	22 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	0.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	0.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	82105	84813
Processor codeDiffers	SR1YW	SR210
Processor package sizeDiffers	25 x 27 mm	40 x 24 x 1.3 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	4	4
Battery capacityDiffers	3315 mAh	2520 mAh
Battery life (max)Known for one	7 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	40 W	45 W
DC-in jack	Yes	Yes
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
Fingerprint readerKnown for one	Unknown — not stated by the source	No
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
Weight & dimensions4 differ
WeightDiffers	1.32 kg	2.4 kg
WidthDiffers	291 mm	381.6 mm
DepthDiffers	211 mm	256 mm
HeightDiffers	21.2 mm	24.9 mm
Height (front)Known for one	Unknown — not stated by the source	2.49 cm
Height (rear)Known for one	Unknown — not stated by the source	2.49 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
Intel segment tagging	Enterprise, Small Business	Enterprise, Small Business
Certificatesidentical
CertificationKnown for one	ACPI 3.0	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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