Product comparison · 2 laptops

ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop vs ASUS X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop

142specifications compared
52differ
90identical
40known for one product only

Key differences

Product colour
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:Black
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:Grey, Stainless steel
Display diagonal
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:39.6 cm (15.6")
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:43.9 cm (17.3")
Display resolution
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:1366 x 768 pixels
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
HD type
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:Not supported
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:Full HD
Processor family
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:Intel® Core™ i3
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
Processor generation
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:4th gen Intel® Core™ i3
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:5th gen Intel® Core™ i7
Processor model
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:i3-4025U
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:i7-5500U
Processor frequency
- ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop:1.9 GHz
- X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of PU551LD-XO131G, X751LB-T4207T
182 specifications	A ASUS ASUSPRO PU551LD-XO131G Intel® Core™ i3 i3-4025U Laptop Model PU551LD-XO131G View product	B ASUS X751LB-T4207T Intel® Core™ i7 i7-5500U Laptop Model X751LB-T4207T View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Grey, Stainless steel
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Business	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	Not supported	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i3	5th gen Intel® Core™ i7
Processor modelDiffers	i3-4025U	i7-5500U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	1.9 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 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™ i3-4000 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 lanesDiffers	10	12
PCI Express configurationsDiffers	4x1, 1x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3 GHz
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
Memory2 differ
Internal memoryDiffers	4 GB	12 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	16 GB	12 GB
Storage3 differ
Total storage capacityDiffers	128 GB	1 TB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	MMC, SD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® 820M	NVIDIA® GeForce® 940M
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 4400	Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers	2 GB	16 GB
On-board graphics card base frequencyDiffers	200 MHz	300 MHz
On-board graphics card dynamic frequency (max)	950 MHz	950 MHz
On-board graphics card DirectX versionDiffers	12	11.2
On-board graphics card IDDiffers	0xA16	0x1616
Graphics card Open GL support	Yes	Yes
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Audioidentical
Audio system	SonicMaster Lite	SonicMaster Lite
Speakers manufacturerKnown for one	Altec Lansing	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 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	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	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
Total number of SATA connectorsKnown for one	2	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	2	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 10 Home
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Recovery operating systemKnown for one	Windows 8 Pro	Unknown — not stated by the source
Processor special features14 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 TechnologyDiffers	No	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 Small Business Advantage (SBA) versionDiffers	0.00	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 Smart Response 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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
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® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)	VT-x, VT-d	VT-x, VT-d
Processor ARK IDDiffers	81019	85214
Processor codeDiffers	R1EQ	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 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
Power1 differ
AC adapter power	65 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	3.42 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
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	HDD, User, BIOS	Unknown — not stated by the source
Certificates1 differ
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationDiffers	UL, TUV, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EPEAT, Energy star, IDA, CECP, WEEE, Erp 2013, RoHS	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
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions2 differ
WidthDiffers	380 mm	415 mm
DepthDiffers	256 mm	272 mm
HeightKnown for one	28.2 mm	Unknown — not stated by the source
WeightKnown for one	Unknown — not stated by the source	2.8 kg
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 included	Yes	Yes
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	2
Battery capacityKnown for one	Unknown — not stated by the source	2600 mAh

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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