Product comparison · 2 laptops

ASUS K555LD-XX645D laptop Intel® Core™ i7 i7-5500U vs ASUS Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop

148specifications compared
48differ
100identical
27known for one product only

Key differences

Product colour
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:Blue, Silver
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:Grey, Silver
Touchscreen
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:No
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:Yes
Processor family
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:Intel® Core™ i7
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:Intel® Core™ i5
Processor generation
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:5th gen Intel® Core™ i7
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:4th gen Intel® Core™ i5
Processor model
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:i7-5500U
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:i5-4200U
Processor boost frequency
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:3 GHz
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:2.6 GHz
Processor frequency
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:2.4 GHz
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:1.6 GHz
Processor cache
- K555LD-XX645D laptop Intel® Core™ i7 i7-5500U:4 MB
- Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop:3 MB

Side by side

Differences highlightedShow differences only

Comparison of K555LD-XX645D, S551LB-CJ289H
175 specifications	A ASUS K555LD-XX645D laptop Intel® Core™ i7 i7-5500U Model K555LD-XX645D View product	B ASUS Vivobook S551LB-CJ289H Intel® Core™ i5 i5-4200U Laptop Model S551LB-CJ289H View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Blue, Silver	Grey, Silver
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
HD type	Not supported	Not supported
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
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	5th gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-5500U	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	2.6 GHz
Processor frequencyDiffers	2.4 GHz	1.6 GHz
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithographyDiffers	14 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Core i7-5500 Mobile Series	Intel Core i5-4200 Mobile series
Processor codenameDiffers	Broadwell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	F0	C0
Thermal Design Power (TDP)	15 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	4x1, 2x4	1x4, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Configurable TDP-downKnown for one	7.5 W	Unknown — not stated by the source
Configurable TDP-down frequencyKnown for one	0.6 GHz	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board + SO-DIMM
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage1 differ
Total storage capacity	1 TB	1 TB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD speed	5400 RPM	5400 RPM
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	SD, MMC
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® 820M	NVIDIA® GeForce® GT 740M
Discrete graphics card memory	2 GB	2 GB
Discrete graphics memory type	GDDR3	GDDR3
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 5500	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	16 GB	1.74 GB
On-board graphics card base frequencyDiffers	300 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	1000 MHz
On-board graphics card DirectX versionDiffers	11.2	12
On-board graphics card OpenGL version	4.3	4.3
On-board graphics card IDDiffers	0x1616	0xA16
Graphics card Open GL support	Yes	Yes
Audio1 differ
Audio systemDiffers	SonicMaster	SonicMaster Lite
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11g, 802.11b, Wi-Fi 4 (802.11n)	802.11g, 802.11b, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,1000,100 Mbit/s	10,1000,100 Mbit/s
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces1 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
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
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	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 keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 8.1
Processor special features13 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 TechnologyDiffers	Yes	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	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 HD Graphics	Yes	Yes
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 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-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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Built-in Visuals Technology	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	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)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	85214	75459
Processor codeDiffers	SR23W	SR170
Processor package sizeDiffers	40 x 24 x 1.3 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	14 nm	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	0.00	Unknown — not stated by the source
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	2	3
Battery capacityDiffers	37 Wh	50 Wh
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
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection	Yes	Yes
Password protection type	BIOS, HDD, User	BIOS, HDD, User
Weight & dimensions4 differ
WeightDiffers	2.3 kg	2.4 kg
WidthDiffers	382 mm	380 mm
DepthDiffers	256 mm	258 mm
HeightDiffers	25.8 mm	22.5 mm

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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