Product comparison · 2 laptops

Lenovo ThinkPad S431 vs Lenovo U430 Touch

132specifications compared
46differ
86identical
71known for one product only

Key differences

Product colour
- ThinkPad S431:Black
- U430 Touch:Grey, Red
Display resolution
- ThinkPad S431:1366 x 768 pixels
- U430 Touch:1920 x 1080 pixels
Touchscreen
- ThinkPad S431:No
- U430 Touch:Yes
Processor family
- ThinkPad S431:Intel® Core™ i3
- U430 Touch:Intel® Core™ i5
Processor generation
- ThinkPad S431:3rd gen Intel® Core™ i3
- U430 Touch:4th gen Intel® Core™ i5
Processor model
- ThinkPad S431:i3-3227U
- U430 Touch:i5-4200U
Processor frequency
- ThinkPad S431:1.9 GHz
- U430 Touch:1.6 GHz
Processor socket
- ThinkPad S431:BGA 1023
- U430 Touch:BGA 1168

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad S431, U430 Touch
203 specifications	A Lenovo ThinkPad S431 View product	B Lenovo U430 Touch View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Grey, Red
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Aluminium	Unknown — not stated by the source
Market positioningKnown for one	Business	Unknown — not stated by the source
Display2 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	Unknown — not stated by the source	Full HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i3	4th gen Intel® Core™ i5
Processor modelDiffers	i3-3227U	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	1.9 GHz	1.6 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	3 MB	Unknown — not stated by the source
Processor socketDiffers	BGA 1023	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3200 Mobile Series	Intel Core i5-4200 Mobile series
Processor codenameDiffers	Ivy Bridge	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
SteppingDiffers	L1	C0
Thermal Design Power (TDP)Differs	17 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4, 2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Known for one	19	Unknown — not stated by the source
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slots	1x SO-DIMM	1x SO-DIMM
Maximum internal memory	8 GB	8 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	8 GB
Storage3 differ
Total storage capacityDiffers	524 GB	1 TB
Storage mediaDiffers	HDD+SSD	Hybrid-HDD
Number of HDDs installed	1	1
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	24 GB	Unknown — not stated by the source
SSD interfaceKnown for one	M.2	Unknown — not stated by the source
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, RS-MMC, SD, SDIO	MMC, SD
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	1 TB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	16 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers	350 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card IDDiffers	0x166	0xA16
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
Audioidentical
Audio system	Dolby Home Theater v4	Dolby Home Theater v4
Number of built-in speakers	2	2
Speaker powerKnown for one	1.5 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	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 WiMAXKnown for one	Yes	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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
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
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	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
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Performanceidentical
Motherboard chipsetKnown for one	Intel HM76 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features12 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 lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	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)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	72057	75459
Processor codeDiffers	SR0XF	SR170
Processor package sizeDiffers	31 x 24 (BGA1023)	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	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® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x
Battery1 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cells	4	4
Battery capacityKnown for one	46 Wh	Unknown — not stated by the source
Battery life (max)Differs	6 h	9 h
Poweridentical
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
Security2 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protection	Yes	Yes
Password protection typeDiffers	HDD, Power on, Supervisor	BIOS
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	1.78 kg	1.89 kg
WidthDiffers	333 mm	337 mm
DepthDiffers	224.8 mm	234 mm
HeightKnown for one	20.3 mm	Unknown — not stated by the source
Height (rear)Known for one	Unknown — not stated by the source	2.08 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
64-bit computingKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes

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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