Product comparison · 2 laptops

ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop vs Lenovo IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1)

138specifications compared
42differ
96identical
44known for one product only

Key differences

Product type
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:Laptop
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):Hybrid (2-in-1)
Product colour
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:Black
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):Black, Orange
Display diagonal
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:39.6 cm (15.6")
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):35.6 cm (14")
Touchscreen
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:No
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):Yes
Processor family
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:Intel® Core™ i7
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):Intel® Core™ i5
Processor generation
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:4th gen Intel® Core™ i7
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):4th gen Intel® Core™ i5
Processor model
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:i7-4500U
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):i5-4200U
Processor boost frequency
- ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop:3 GHz
- IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1):2.6 GHz

Side by side

Differences highlightedShow differences only

Comparison of B551LG-XO044G, 14AP-IFI
182 specifications	A ASUS ASUSPRO B551LG-XO044G Intel® Core™ i7 i7-4500U Laptop Model B551LG-XO044G View product	B Lenovo IdeaPad Flex 14AP-IFI Intel® Core™ i5 i5-4200U Hybrid (2-in-1) Model 14AP-IFI View product
Design3 differ
Product typeDiffers	Laptop	Hybrid (2-in-1)
Product colourDiffers	Black	Black, Orange
Form factorDiffers	Clamshell	Convertible (Fold-back screen)
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenDiffers	No	Yes
HD typeKnown for one	HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
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
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	16 GB	8 GB
Storage4 differ
Total storage capacityDiffers	750 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	750 GB	500 GB
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, SD
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 820M
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
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
Audio1 differ
Audio systemDiffers	SonicMaster	HD
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.92 MP
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Swivel webcamKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
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 ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
BluetoothDiffers	No	Yes
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	300 Mbit/s
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	Yes	Unknown — not stated by the source
Docking connectorDiffers	Yes	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Total number of SATA connectors	4	4
Number of SATA III connectors	4	4
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Keyboard1 differ
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8.1
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8 Pro	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
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® Active Management Technology (Intel® AMT)	No	No
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® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart Response Technology	No	No
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
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 voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output currentKnown for one	3.42 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, User	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	UL, TUV, MIC, CE, FCC, BSMI, C-TICK/NZ A-Tick, CCC, GOST-R, CB, IDA, CECP, WEEE, Erp 2013, FIPS 201, TCO4.0	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	383 mm	343.2 mm
DepthDiffers	259 mm	250.9 mm
HeightKnown for one	26 mm	Unknown — not stated by the source
WeightKnown for one	Unknown — not stated by the source	2 kg
Height (front)Known for one	Unknown — not stated by the source	6 mm
Height (rear)Known for one	Unknown — not stated by the source	2.15 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	4
Battery life (max)Known for one	Unknown — not stated by the source	9 h

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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