Product comparison · 2 laptops

ASUS K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop vs ASUS X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U

142specifications compared
47differ
95identical
27known for one product only

Key differences

Product colour
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:Black, Stainless steel
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:Black
Display diagonal
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:39.6 cm (15.6")
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:43.9 cm (17.3")
Display resolution
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:1366 x 768 pixels
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:1600 x 900 pixels
HD type
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:Not supported
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:HD+
Processor generation
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:4th gen Intel® Core™ i7
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:5th gen Intel® Core™ i7
Processor model
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:i7-4510U
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:i7-5500U
Processor boost frequency
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:3.1 GHz
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:3 GHz
Processor frequency
- K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop:2 GHz
- X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of K555LA-QH72-CB, X751LB-DS71-CA
169 specifications	A ASUS K555LA-QH72-CB Intel® Core™ i7 i7-4510U Laptop Model K555LA-QH72-CB View product	B ASUS X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U Model X751LB-DS71-CA View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black, Stainless steel	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
Touchscreen	No	No
HD typeDiffers	Not supported	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i7	5th gen Intel® Core™ i7
Processor modelDiffers	i7-4510U	i7-5500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.1 GHz	3 GHz
Processor frequencyDiffers	2 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	4 MB	4 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socket	BGA 1168	BGA 1168
Processor lithographyDiffers	22 nm	14 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i7-5500 Mobile Series
Processor codenameDiffers	Haswell	Broadwell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	D0	F0
Thermal Design Power (TDP)	15 W	15 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	4x1, 2x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Configurable TDP-downKnown for one	Unknown — not stated by the source	7.5 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.6 GHz
Memory1 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	12 GB
Storage1 differ
Total storage capacity	1 TB	1 TB
Storage media	HDD	HDD
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	SD
Graphics8 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® 940M
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers	1.74 GB	16 GB
On-board graphics card base frequencyDiffers	200 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	950 MHz
On-board graphics card DirectX versionDiffers	11.2/12	11.2
On-board graphics card OpenGL version	4.3	4.3
On-board graphics card IDDiffers	0xA16	0x1616
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 standardsDiffers	802.11g, 802.11b, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,1000,100 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
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	1	1
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
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 8.1	Windows 8.1
Operating system architecture	64-bit	64-bit
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 TechnologyDiffers	No	Yes
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 AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel HD Graphics	Yes	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 TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
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	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
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	No	Yes
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
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® My WiFi Technology (Intel® MWT)	No	No
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
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-x, VT-d
Processor ARK IDDiffers	81015	85214
Processor codeDiffers	SR1EB	SR23W
Processor package sizeDiffers	40 x 24 x 1.5 mm	40 x 24 x 1.3 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Battery2 differ
Battery technologyKnown for one	Lithium Polymer (LiPo)	Unknown — not stated by the source
Number of battery cellsDiffers	2	4
Battery capacityDiffers	37 Wh	2600 mAh
Power2 differ
AC adapter powerDiffers	45 W	65 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output currentDiffers	1.74 A	1.73 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 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 & dimensions3 differ
WeightDiffers	2.3 kg	2.8 kg
WidthDiffers	382 mm	415 mm
DepthDiffers	256 mm	272 mm
HeightKnown for one	25.8 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3 cm
Height (rear)Known for one	Unknown — not stated by the source	3.5 cm
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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