Product comparison · 2 laptops

ASUS F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop vs ASUS N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop

144specifications compared
55differ
89identical
28known for one product only

Key differences

Display diagonal
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:43.9 cm (17.3")
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:39.6 cm (15.6")
Processor generation
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:5th gen Intel® Core™ i7
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:4th gen Intel® Core™ i7
Processor model
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:i7-5500U
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:i7-4720HQ
Processor cores
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:2
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:4
Processor threads
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:4
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:8
Processor boost frequency
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:3 GHz
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:3.6 GHz
Processor frequency
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:2.4 GHz
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:2.6 GHz
Processor cache
- F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop:4 MB
- N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop:6 MB

Side by side

Differences highlightedShow differences only

Comparison of F751LB-T4171T, N551JB-CN083T
172 specifications	A ASUS F751LB-T4171T Intel® Core™ i7 i7-5500U Laptop Model F751LB-T4171T View product	B ASUS N551JB-CN083T Intel® Core™ i7 i7-4720HQ Laptop Model N551JB-CN083T View product
Designidentical
Product type	Laptop	Laptop
Product colour	Grey, Stainless steel	Grey, Stainless steel
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Processor18 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generationDiffers	5th gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor modelDiffers	i7-5500U	i7-4720HQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3 GHz	3.6 GHz
Processor frequencyDiffers	2.4 GHz	2.6 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	6 MB
Processor cache type	L3	L3
Processor socketDiffers	BGA 1168	BGA 1364
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 i7-4700 Mobile series
Processor codenameDiffers	Broadwell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	F0	C0
Thermal Design Power (TDP)Differs	15 W	47 W
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
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	4x1, 2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	12 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Maximum internal memoryDiffers	12 GB	16 GB
Storage2 differ
Total storage capacity	1 TB	1 TB
Storage mediaDiffers	HDD	HDD+SSD
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	MMC, SD	MMC, Memory Stick (MS), MS PRO, SD, MS PRO Duo, SDHC, SDXC
HDD sizeKnown for one	Unknown — not stated by the source	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
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® 940M	NVIDIA® GeForce® GT 940M
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 5500	Intel® HD Graphics 4600
Maximum on-board graphics card memoryDiffers	16 GB	1.74 GB
On-board graphics card base frequencyDiffers	300 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	1200 MHz
On-board graphics card DirectX versionDiffers	11.2	11.2/12
On-board graphics card IDDiffers	0x1616	0x416
Graphics card Open GL support	Yes	Yes
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
Audio1 differ
Audio systemDiffers	SonicMaster Lite	SonicMaster Premium
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	Bang & Olufsen
Cameraidentical
Front camera	Yes	Yes
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11g, 802.11b, Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
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 & interfaces3 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3	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 quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	0	1
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Microphone inDiffers	No	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Processor special features9 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
Graphics & IMC lithographyKnown for one	14 nm	Unknown — not stated by the source
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 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 Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
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 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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	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® 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® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Virtualization Technology (Intel® VT)	VT-x, VT-d	VT-x, VT-d
Processor ARK IDDiffers	85214	78934
Processor codeDiffers	SR23W	SR1Q8
Processor package sizeDiffers	40 x 24 x 1.3 mm	37.5 x 32 x 1.6 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery2 differ
Number of battery cellsDiffers	4	6
Battery capacityDiffers	2600 mAh	56 Wh
Power2 differ
AC adapter powerDiffers	65 W	120 W
AC adapter output currentDiffers	1.73 A	6.3 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	BIOS, HDD, User
Certificates1 differ
CertificationDiffers	UL;KCC;CE Marking Compliance;FCC Compliance;BSMI;Australia C-TICK / NZ A-Tick Compliance;Japan VCCI Compliance;CCC;CB;EPEAT;EU Flower;E-standby;Energy star	UL, TUV, MIC, CE Marking Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EPEAT, EU Flower, Energy star, CECP, WEEE, Erp 2013, RoHS, JATE
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	2.8 kg	2.7 kg
WidthDiffers	415 mm	383 mm
DepthDiffers	272 mm	255 mm
Height (front)Differs	3 cm	2.8 cm
Height (rear)Differs	3.5 cm	3.15 cm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® HM86

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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