Product comparison · 2 laptops

Acer Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop vs ASUS K455LA-WX070D laptop Intel® Core™ i5 i5-4210U

118specifications compared
45differ
73identical
39known for one product only

Key differences

Product colour
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:Black
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:White
Display diagonal
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:39.6 cm (15.6")
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:35.6 cm (14")
Processor family
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:Intel® Celeron®
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:Intel® Core™ i5
Processor model
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:N2940
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:i5-4210U
Processor cores
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:4
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:2
Processor boost frequency
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:2.25 GHz
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:2.7 GHz
Processor frequency
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:1.83 GHz
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:1.7 GHz
Processor cache
- Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop:2 MB
- K455LA-WX070D laptop Intel® Core™ i5 i5-4210U:3 MB

Side by side

Differences highlightedShow differences only

Comparison of 2508-C87J, K455LA-WX070D
157 specifications	A Acer Extensa 15 2508-C87J Intel® Celeron® N2940 Laptop Model 2508-C87J View product	B ASUS K455LA-WX070D laptop Intel® Core™ i5 i5-4210U Model K455LA-WX070D View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	White
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	Unknown — not stated by the source	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i5
Processor modelDiffers	N2940	i5-4210U
Processor coresDiffers	4	2
Processor threads	4	4
Processor boost frequencyDiffers	2.25 GHz	2.7 GHz
Processor frequencyDiffers	1.83 GHz	1.7 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 1170	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor N2000 Series for Mobile	Intel Core i5-4200 Mobile series
Processor codenameDiffers	Bay Trail	Haswell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB Parity	No	No
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	7.5 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	4	12
PCI Express configurationsDiffers	1x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
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
Optical drive typeDiffers	DVD±RW	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	SD, SDHC, SDXC
HDD speedKnown for one	5400 RPM	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 modelDiffers	Intel® HD Graphics	Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyDiffers	313 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	854 MHz	1000 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDKnown for one	Unknown — not stated by the source	0xA16
On-board graphics card burst frequencyKnown for one	854 MHz	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	SonicMaster
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network1 differ
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	Unknown — not stated by the source	10,100,1000 Mbit/s
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces2 differ
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	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectorsDiffers	2	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboardidentical
Pointing device	Touchpad	Touchpad
Windows keys	Yes	Yes
Numeric keypadKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features14 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
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	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 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 Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
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)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x
Processor ARK IDDiffers	82104	81016
Processor codeDiffers	SR1YV	SR1EF
Processor package sizeDiffers	25 x 27 mm	40 x 24 x 1.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel® Built-in Visuals TechnologyKnown for one	Yes	Unknown — not stated by the source
Poweridentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Securityidentical
Cable lock slot	No	No
Weight & dimensions5 differ
WeightDiffers	2.5 kg	2.1 kg
WidthDiffers	381.6 mm	348 mm
DepthDiffers	256 mm	241 mm
Height (front)Differs	2.53 cm	2.48 cm
Height (rear)Differs	3.04 cm	3.17 cm
HeightKnown for one	30.4 mm	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	2500 mAh	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	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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