Product comparison · 2 laptops

ASUS K55A-XB71 laptop Intel® Core™ i7 i7-3632QM vs ASUS Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U

140specifications compared
54differ
86identical
46known for one product only

Key differences

Product colour
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:Black, Brown
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:Grey, Stainless steel
Touchscreen
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:No
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:Yes
Processor generation
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:3rd gen Intel® Core™ i7
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:4th gen Intel® Core™ i7
Processor model
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:i7-3632QM
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:i7-4500U
Processor cores
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:4
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:2
Processor threads
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:8
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:4
Processor boost frequency
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:3.2 GHz
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:3 GHz
Processor frequency
- K55A-XB71 laptop Intel® Core™ i7 i7-3632QM:2.2 GHz
- Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U:1.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of K55A-XB71, S551LB-DB71T-CA
186 specifications	A ASUS K55A-XB71 laptop Intel® Core™ i7 i7-3632QM Model K55A-XB71 View product	B ASUS Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U Model S551LB-DB71T-CA View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black, Brown	Grey, Stainless steel
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenDiffers	No	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Native aspect ratio	16:9	16:9
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor16 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor modelDiffers	i7-3632QM	i7-4500U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.2 GHz	3 GHz
Processor frequencyDiffers	2.2 GHz	1.8 GHz
Processor cacheDiffers	6 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 1224	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i7-4500 Mobile series
Processor codenameDiffers	Ivy Bridge	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
SteppingKnown for one	Unknown — not stated by the source	C0
Thermal Design Power (TDP)Differs	35 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	2x4
PCI Express slots versionDiffers	3.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	22	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	6 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	750 GB	1 TB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacityDiffers	750 GB	1 TB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
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
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	SD, SDHC
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 740M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4000	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	650 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDDiffers	0x166	0xA16
Audio1 differ
Audio systemDiffers	Sonic Master	SonicMaster Lite
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	Altec Lansing	Unknown — not stated by the source
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionDiffers	3.0+HS	4.0
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	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 quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	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 connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
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 features11 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	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology version	1.00	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 TechnologyDiffers	No	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 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® 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)Differs	No	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)Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyDiffers	No	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	71458	75460
Processor codeKnown for one	Unknown — not stated by the source	SR16Z
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Number of battery cellsDiffers	6	3
Battery capacity	50 Wh	50 Wh
Power1 differ
AC adapter power	65 W	65 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	4.74 A	3.42 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection typeDiffers	BIOS, HDD	HDD, User
Password protectionKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.52 kg	2.4 kg
WidthDiffers	378 mm	380 mm
DepthDiffers	251 mm	258 mm
HeightKnown for one	Unknown — not stated by the source	22.5 mm
Height (front)Known for one	2.55 cm	Unknown — not stated by the source
Height (rear)Known for one	3.19 cm	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel HM76 Express	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
Warranty cardKnown 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.

More laptop comparisons

All laptop comparisons