Product comparison · 2 laptops

ASUS K55VD-SX771H laptop Intel® Pentium® B980 vs Lenovo Z400 Touch

120specifications compared
48differ
72identical
49known for one product only

Key differences

Product colour
- K55VD-SX771H laptop Intel® Pentium® B980:Pink
- Z400 Touch:Black
Display diagonal
- K55VD-SX771H laptop Intel® Pentium® B980:39.6 cm (15.6")
- Z400 Touch:35.6 cm (14")
Touchscreen
- K55VD-SX771H laptop Intel® Pentium® B980:No
- Z400 Touch:Yes
Processor family
- K55VD-SX771H laptop Intel® Pentium® B980:Intel® Pentium®
- Z400 Touch:Intel® Core™ i3
Processor model
- K55VD-SX771H laptop Intel® Pentium® B980:B980
- Z400 Touch:i3-3120M
Processor threads
- K55VD-SX771H laptop Intel® Pentium® B980:2
- Z400 Touch:4
Processor frequency
- K55VD-SX771H laptop Intel® Pentium® B980:2.4 GHz
- Z400 Touch:2.5 GHz
Processor cache
- K55VD-SX771H laptop Intel® Pentium® B980:2 MB
- Z400 Touch:3 MB

Side by side

Differences highlightedShow differences only

Comparison of K55VD-SX771H, Z400 Touch
169 specifications	A ASUS K55VD-SX771H laptop Intel® Pentium® B980 Model K55VD-SX771H View product	B Lenovo Z400 Touch View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Pink	Black
Form factor	Clamshell	Clamshell
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 type	HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor modelDiffers	B980	i3-3120M
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.4 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	PGA988	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium B900 Series for Mobile	Intel Core i3-3100 Mobile Series
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingKnown for one	Q0	Unknown — not stated by the source
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	85 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	24	25
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i3
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Storage3 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 interfaceKnown for one	SATA	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD	MMC, SD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® 610M	Unknown — not stated by the source
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	Intel® HD Graphics 4000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x166
Audio1 differ
Audio systemDiffers	SonicMaster Lite	Dolby Home Theatre v4
Speakers manufacturerKnown for one	Altec Lansing	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Camera1 differ
Front camera resolution (numeric)Differs	0.3 MP	1 MP
Network4 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
Bluetooth	Yes	Yes
Bluetooth versionDiffers	3.0+HS	4.0
Cabling technologyDiffers	10/100/1000Base-T(X)	10/100Base-T(X)
Integrated 4G WiMAXDiffers	No	Yes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Intel HM76 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 8	Windows 8
Drivers included	Yes	Yes
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features16 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyDiffers	32 nm	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 Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	69669	71465
Processor codeKnown for one	SR0J1	Unknown — not stated by the source
Processor package sizeDiffers	37.5x37.5 (rPGA988B)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	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
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	50 Wh	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	5 h
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	4.74 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
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection typeKnown for one	BIOS, HDD	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.52 kg	2.4 kg
WidthDiffers	378 mm	345 mm
DepthDiffers	251 mm	244 mm
Height (front)Known for one	2.55 cm	Unknown — not stated by the source
Height (rear)Known for one	3.19 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	29.1 mm
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	Unknown — not stated by the source	No
64-bit computingKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	No

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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