Product comparison · 2 laptops

Acer Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop vs Lenovo 305 15

106specifications compared
13differ
93identical
19known for one product only

Key differences

Product colour
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:Black
- 305 15:Blue
Internal memory
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:2 GB
- 305 15:4 GB
Memory slots
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:1x SO-DIMM
- 305 15:2x SO-DIMM
Maximum internal memory
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:8 GB
- 305 15:16 GB
Optical drive type
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:DVD Super Multi
- 305 15:DVD±RW
Compatible memory cards
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:SD
- 305 15:MMC, SD, SDHC, SDXC
Discrete graphics card
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:No
- 305 15:Yes
Discrete graphics card model
- Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop:Not available
- 305 15:NVIDIA® GeForce® 820M

Side by side

Differences highlightedShow differences only

Comparison of 2508-P4P3, 305 15
125 specifications	A Acer Extensa 2508-P4P3 Intel® Pentium® N3540 Laptop Model 2508-P4P3 View product	B Lenovo 305 15 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Blue
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	39.6 cm (15.6")	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
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
Memory3 differ
Internal memoryDiffers	2 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 clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Storage2 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® 820M
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 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
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Audioidentical
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	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 ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfacesidentical
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
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
Total number of SATA connectors	2	2
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1 with Bing	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
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	3	Unknown — not stated by the source
Battery capacityKnown for one	3220 mAh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Securityidentical
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.4 kg	2.3 kg
WidthDiffers	381.6 mm	380 mm
DepthDiffers	258 mm	262 mm
HeightDiffers	26.1 mm	24.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	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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