Product comparison · 2 laptops

ASUS K551LB-XX277D laptop Intel® Core™ i7 i7-4500U vs ASUS K551LN-XX019D laptop Intel® Core™ i5 i5-4200U

146specifications compared
22differ
124identical
12known for one product only

Key differences

Product colour
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:Black, Silver
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:Grey, Silver
Processor family
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:Intel® Core™ i7
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:Intel® Core™ i5
Processor generation
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:4th gen Intel® Core™ i7
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:4th gen Intel® Core™ i5
Processor model
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:i7-4500U
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:i5-4200U
Processor boost frequency
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:3 GHz
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:2.6 GHz
Processor frequency
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:1.8 GHz
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:1.6 GHz
Processor cache
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:4 MB
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:3 MB
PCI Express configurations
- K551LB-XX277D laptop Intel® Core™ i7 i7-4500U:2x4
- K551LN-XX019D laptop Intel® Core™ i5 i5-4200U:1x4, 2x4

Side by side

Differences highlightedShow differences only

Comparison of K551LB-XX277D, K551LN-XX019D
158 specifications	A ASUS K551LB-XX277D laptop Intel® Core™ i7 i7-4500U Model K551LB-XX277D View product	B ASUS K551LN-XX019D laptop Intel® Core™ i5 i5-4200U Model K551LN-XX019D View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black, Silver	Grey, Silver
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
HD type	HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-4500U	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	2.6 GHz
Processor frequencyDiffers	1.8 GHz	1.6 GHz
Processor cacheDiffers	4 MB	3 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 seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i5-4200 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 configurationsDiffers	2x4	1x4, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	On-board + SO-DIMM	Unknown — not stated by the source
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
Storage2 differ
Total storage capacityDiffers	500 GB	524 GB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD speed	5400 RPM	5400 RPM
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	SD, SDHC	SD, SDHC
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
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	NVIDIA® GeForce® GT 840M
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 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)Differs	1100 MHz	1000 MHz
On-board graphics card DirectX version	12	12
On-board graphics card ID	0xA16	0xA16
Audioidentical
Audio system	SonicMaster Lite	SonicMaster Lite
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
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
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces2 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 quantity	0	0
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 connectors	4	4
Number of SATA III connectors	4	4
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	FreeDOS	FreeDOS
Processor special features5 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 Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
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® 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)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	75459
Processor codeDiffers	SR16Z	SR170
Processor package size	40 x 24 x 1.5 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
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cells	3	3
Battery capacity	50 Wh	50 Wh
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
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 slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection	Yes	Yes
Password protection typeDiffers	BIOS, HDD, User	HDD, User
Weight & dimensionsidentical
WeightKnown for one	2.4 kg	Unknown — not stated by the source
Width	380 mm	380 mm
Depth	258 mm	258 mm
Height	22.5 mm	22.5 mm
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.

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