Product comparison · 2 laptops

ASUS Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U vs Lenovo ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop

148specifications compared
21differ
127identical
33known for one product only

Key differences

Product colour
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:Grey, Stainless steel
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Black
Display resolution
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:1366 x 768 pixels
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:1920 x 1080 pixels
HD type
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:Not supported
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Full HD
Memory slots
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:1x SO-DIMM
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:2x SO-DIMM
Maximum internal memory
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:8 GB
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:16 GB
Total storage capacity
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:1 TB
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:256 GB
Storage media
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:HDD+SSD
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:SSD
SSD capacity
- Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U:24 GB
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:256 GB

Side by side

Differences highlightedShow differences only

Comparison of S551LB-CJ019H, S540T
181 specifications	A ASUS Vivobook S551LB-CJ019H laptop Intel® Core™ i7 i7-4500U Model S551LB-CJ019H View product	B Lenovo ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop Model S540T View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey, Stainless steel	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	Yes	Yes
HD typeDiffers	Not supported	Full HD
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	4th gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor model	i7-4500U	i7-4500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3 GHz	3 GHz
Processor frequency	1.8 GHz	1.8 GHz
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-4500 Mobile series	Intel Core i7-4500 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	2x4	2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Memory form factorKnown for one	On-board + SO-DIMM	Unknown — not stated by the source
Storage5 differ
Total storage capacityDiffers	1 TB	256 GB
Storage mediaDiffers	HDD+SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	24 GB	256 GB
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	AMD Radeon HD 8670M
Discrete graphics card memory	2 GB	2 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4400	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card DirectX version	12	12
On-board graphics card ID	0xA16	0xA16
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	SonicMaster Lite	Dolby Home Theater v4
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
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
LightScribeKnown for one	Unknown — not stated by the source	No
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
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 connectors	4	4
Number of SATA III connectors	4	4
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 8 Pro
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
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
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	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	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 TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
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)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
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)	Yes	Yes
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)	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	75460	75460
Processor code	SR16Z	SR16Z
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery1 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3	4
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Battery capacityKnown for one	50 Wh	Unknown — not stated by the source
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	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
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
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
Weight & dimensions4 differ
WeightDiffers	2.4 kg	2.11 kg
WidthDiffers	380 mm	379 mm
DepthDiffers	258 mm	253 mm
HeightDiffers	22.5 mm	22.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
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.

More laptop comparisons

All laptop comparisons