Product comparison · 2 laptops

ASUS Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop vs Lenovo ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop

130specifications compared
47differ
83identical
51known for one product only

Key differences

Product colour
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:Black, Stainless steel
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:Black
Display resolution
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:1366 x 768 pixels
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:1600 x 900 pixels
HD type
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:Not supported
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:HD+
Processor generation
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:4th gen Intel® Core™ i5
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:3rd gen Intel® Core™ i5
Processor model
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:i5-4200U
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:i5-3337U
Processor boost frequency
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:2.6 GHz
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:2.7 GHz
Processor frequency
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:1.6 GHz
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:1.8 GHz
Processor socket
- Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop:BGA 1168
- ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop:BGA 1023

Side by side

Differences highlightedShow differences only

Comparison of S451LB-CA087H, S431
181 specifications	A ASUS Vivobook S451LB-CA087H Intel® Core™ i5 i5-4200U Laptop Model S451LB-CA087H View product	B Lenovo ThinkPad S431 Intel® Core™ i5 i5-3337U Laptop Model S431 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black, Stainless steel	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
Touchscreen	Yes	Yes
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
HD typeDiffers	Not supported	HD+
Touch technology	Multi-touch	Multi-touch
Native aspect ratio	16:9	16:9
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor13 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i5	3rd gen Intel® Core™ i5
Processor modelDiffers	i5-4200U	i5-3337U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.6 GHz	2.7 GHz
Processor frequencyDiffers	1.6 GHz	1.8 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-4200 Mobile series	Intel Core i5-3300 Mobile series
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
FSB Parity	No	No
SteppingDiffers	C0	L1
Thermal Design Power (TDP)Differs	15 W	17 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	1x4, 2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	18
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Storage5 differ
Total storage capacityDiffers	1 TB	500 GB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	500 GB
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC	MMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	24 GB
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR3	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 4400	Intel® HD Graphics 4000
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	200 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	12	Unknown — not stated by the source
On-board graphics card IDDiffers	0xA16	0x166
Audio1 differ
Audio systemDiffers	SonicMaster	Dolby Home Theaterv
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
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	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
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) ports	0	0
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
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Numeric keypad	No	No
Windows keys	Yes	Yes
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 8 Pro
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features10 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 TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology version	1.00	1.00
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 TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	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® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
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® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75459	72055
Processor codeDiffers	SR170	SR0XL
Processor package sizeDiffers	40 x 24 x 1.5 mm	31 x 24 (BGA1023)
Supported instruction setsDiffers	AVX 2.0	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Number of battery cells	4	4
Battery capacityKnown for one	46 Wh	Unknown — not stated by the source
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
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
AC adapter output currentKnown for one	3.42 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
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	HDD, User	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.2 kg	1.78 kg
WidthDiffers	348 mm	333 mm
DepthDiffers	241.8 mm	224.8 mm
HeightDiffers	24.8 mm	20.3 mm
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
64-bit computingKnown for one	Unknown — not stated by the source	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

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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