Product comparison · 2 laptops

Acer Aspire 431-2421 Intel® Celeron® 887 Laptop vs Lenovo ThinkPad T431s

125specifications compared
59differ
66identical
47known for one product only

Key differences

Product colour
- Aspire 431-2421 Intel® Celeron® 887 Laptop:Blue
- ThinkPad T431s:Black
Display resolution
- Aspire 431-2421 Intel® Celeron® 887 Laptop:1366 x 768 pixels
- ThinkPad T431s:1600 x 900 pixels
HD type
- Aspire 431-2421 Intel® Celeron® 887 Laptop:HD
- ThinkPad T431s:HD+
Processor family
- Aspire 431-2421 Intel® Celeron® 887 Laptop:Intel® Celeron®
- ThinkPad T431s:Intel® Core™ i5
Processor model
- Aspire 431-2421 Intel® Celeron® 887 Laptop:887
- ThinkPad T431s:i5-3337U
Processor threads
- Aspire 431-2421 Intel® Celeron® 887 Laptop:2
- ThinkPad T431s:4
Processor frequency
- Aspire 431-2421 Intel® Celeron® 887 Laptop:1.5 GHz
- ThinkPad T431s:1.8 GHz
Processor cache
- Aspire 431-2421 Intel® Celeron® 887 Laptop:2 MB
- ThinkPad T431s:3 MB

Side by side

Differences highlightedShow differences only

Comparison of 431-2421, ThinkPad T431s
172 specifications	A Acer Aspire 431-2421 Intel® Celeron® 887 Laptop Model 431-2421 View product	B Lenovo ThinkPad T431s View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Blue	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeDiffers	HD	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	400:1
TouchscreenKnown for one	No	Unknown — not stated by the source
Panel typeKnown for one	LCD	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i5
Processor modelDiffers	887	i5-3337U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
Processor frequencyDiffers	1.5 GHz	1.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor 800 Series for Mobile	Intel Core i5-3300 Mobile series
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	Q0	L1
Thermal Design Power (TDP)	17 W	17 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	15	18
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Maximum internal memoryDiffers	8 GB	12 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage6 differ
Total storage capacityDiffers	500 GB	524 GB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
Number of SSDs installedDiffers	0	1
SSD capacityKnown for one	Unknown — not stated by the source	24 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive typeDiffers	DVD Super Multi DL	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics2 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 4000
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x166
Audioidentical
Built-in microphone	Yes	Yes
Audio systemKnown for one	HD	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 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
Bluetooth version	4.0	4.0
Integrated 4G WiMAXDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypad	No	No
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows 8 Pro
Bundled softwareKnown for one	Unknown — not stated by the source	Lenovo® Message Center Plus, ThinkVantage Product Recovery, Access Connections ™, ThinkVantage Power Manager, Lenovo SimpleTap, Adobe Reader, Lenovo Solution Center, Password Manager, ThinkVantage System Update, Fingerprint Software, Lenovo Cloud Storage, Microsoft Office 2013 preloaded ( trial), No
Processor special features18 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	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	32 nm	22 nm
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
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)Differs	No	Yes
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® 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® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x
Processor ARK IDDiffers	69361	72055
Processor codeDiffers	SR0VA	SR0XL
Processor package sizeDiffers	31.0 x 24.0 (BGA1023)	31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Battery1 differ
Number of battery cellsDiffers	4	3
Battery capacityKnown for one	Unknown — not stated by the source	47 Wh
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Security2 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerDiffers	No	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	2.1 kg	1.63 kg
WidthDiffers	342 mm	331 mm
DepthDiffers	245 mm	226 mm
HeightKnown for one	Unknown — not stated by the source	20.6 mm
Height (front)Known for one	2 cm	Unknown — not stated by the source
Height (rear)Known for one	2.3 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Other featuresidentical
3D	No	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM70 Express	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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