Product comparison · 2 laptops

ASUS K551LB-XX277D laptop Intel® Core™ i7 i7-4500U vs ASUS Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U

131specifications compared
51differ
80identical
42known for one product only

Key differences

Display diagonal
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:39.6 cm (15.6")
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:35.6 cm (14")
Processor family
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:Intel® Core™ i7
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:Intel® Core™ i5
Processor generation
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:4th gen Intel® Core™ i7
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:3rd gen Intel® Core™ i5
Processor model
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:i7-4500U
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:i5-3317U
Processor boost frequency
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:3 GHz
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:2.6 GHz
Processor frequency
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:1.8 GHz
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:1.7 GHz
Processor cache
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:4 MB
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:3 MB
Processor socket
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:BGA 1168
- Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U:BGA 1023

Side by side

Differences highlightedShow differences only

Comparison of K551LB-XX277D, S400CA-MBTS2-H
173 specifications	A ASUS K551LB-XX277D laptop Intel® Core™ i7 i7-4500U Model K551LB-XX277D View product	B ASUS Vivobook S400CA-MBTS2-H laptop Intel® Core™ i5 i5-3317U Model S400CA-MBTS2-H View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black, Silver	Black, Silver
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
HD typeKnown for one	HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	3rd gen Intel® Core™ i5
Processor modelDiffers	i7-4500U	i5-3317U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	2.6 GHz
Processor frequencyDiffers	1.8 GHz	1.7 GHz
Processor cacheDiffers	4 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 i7-4500 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	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	17
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	On-board + SO-DIMM	On-board
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Storage2 differ
Total storage capacity	500 GB	500 GB
Storage mediaDiffers	HDD	Hybrid-HDD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC	SD
Hybrid-HDD cache typeKnown for one	Unknown — not stated by the source	SSD
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	24 GB
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 740M	Unknown — not stated by the source
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	1100 MHz	1050 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 Lite	SonicMaster
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
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
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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	0	1
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
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	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Full-size keyboard	Yes	Yes
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 8
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
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 Technology	Yes	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 TechnologyDiffers	Yes	No
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)Differs	Yes	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® Matrix Storage Technology (Intel® MST)Differs	Yes	No
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	75460	65707
Processor codeDiffers	SR16Z	SR0N8
Processor package sizeDiffers	40 x 24 x 1.5 mm	31.0 x 24.0 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	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® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3	4
Battery capacityDiffers	50 Wh	2950 mAh
Poweridentical
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 current	3.42 A	3.42 A
AC adapter output voltage	19 V	19 V
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	BIOS, HDD, User	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.4 kg	1.8 kg
WidthDiffers	380 mm	339 mm
DepthDiffers	258 mm	239 mm
HeightDiffers	22.5 mm	21 mm
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel HM76 Express
Packaging contentidentical
AC adapter includedKnown 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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