Product comparison · 2 laptops

ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U vs Dell 15R (5521)

138specifications compared
43differ
95identical
43known for one product only

Key differences

The ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U has 0.3 GHz more processor boost frequency than the Dell 15R (5521) (3 GHz vs 2.7 GHz). The ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U has 1 MB more processor cache than the Dell 15R (5521) (4 MB vs 3 MB). The Dell 15R (5521) has 2 W more thermal Design Power (TDP) than the ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U (17 W vs 15 W). Only the Dell 15R (5521) has Intel Dual Display Capable Technology. Only the Dell 15R (5521) has Intel Fast Memory Access.

Product colour
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:Grey, Stainless steel
- 15R (5521):Black, Silver
Processor family
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:Intel® Core™ i7
- 15R (5521):Intel® Core™ i5
Processor generation
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:4th gen Intel® Core™ i7
- 15R (5521):3rd gen Intel® Core™ i5
Processor model
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:i7-4500U
- 15R (5521):i5-3337U
Processor boost frequency
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:3 GHz
- 15R (5521):2.7 GHz
Processor cache
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:4 MB
- 15R (5521):3 MB
Processor socket
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:BGA 1168
- 15R (5521):BGA 1023
Processor codename
- Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U:Haswell
- 15R (5521):Ivy Bridge

Side by side

Differences highlightedShow differences only

Comparison of V551LB-DB71T, 15R (5521)
181 specifications	A ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U Model V551LB-DB71T View product	B Dell 15R (5521)View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey, Stainless steel	Black, 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
Touchscreen	Yes	Yes
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
HD typeKnown for one	HD	Unknown — not stated by the source
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	3rd gen Intel® Core™ i5
Processor modelDiffers	i7-4500U	i5-3337U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	2.7 GHz
Processor frequency	1.8 GHz	1.8 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i5-3300 Mobile series
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
FSB Parity	No	No
SteppingDiffers	C0	L1
Thermal Design Power (TDP)Differs	15 W	17 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	18
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	8 GB	6 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 + 1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	8 GB
Storage4 differ
Total storage capacityDiffers	1 TB	750 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	750 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	AMD Radeon HD 8730M
Discrete graphics card memory	2 GB	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	200 MHz	350 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card IDDiffers	0xA16	0x166
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	12	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	SonicMaster	Waves MaxxAudio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front cameraKnown for one	Yes	Unknown — not stated by the source
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 ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Data networkKnown for one	Not supported	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
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	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel HM76 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
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	Unknown — not stated by the source	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology version	1.00	1.00
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)	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® 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)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75460	72055
Processor codeDiffers	SR16Z	SR0XL
Processor package sizeDiffers	40 x 24 x 1.5 mm	31 x 24 (BGA1023)
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
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-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for one	Yes	Unknown — not stated by the source
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	6
Battery capacityDiffers	50 Wh	65 Wh
Battery life (max)Known for one	5 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions4 differ
WeightDiffers	2.4 kg	2.32 kg
WidthDiffers	381 mm	376 mm
Depth	259 mm	259 mm
Height (front)Differs	2.03 cm	2.49 cm
Height (rear)Differs	2.29 cm	3.13 cm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown 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

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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