Product comparison · 2 laptops

ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U vs Lenovo ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop

135specifications compared
51differ
84identical
56known for one product only

Key differences

Display diagonal
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:35.6 cm (14")
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:39.6 cm (15.6")
Display resolution
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:1366 x 768 pixels
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:1920 x 1080 pixels
Touchscreen
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:No
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Yes
HD type
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:Not supported
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Full HD
Processor family
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:Intel® Core™ i3
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Intel® Core™ i7
Processor generation
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:3rd gen Intel® Core™ i3
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:4th gen Intel® Core™ i7
Processor model
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:i3-3217U
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:i7-4500U
Processor cache
- ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:3 MB
- ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:4 MB

Side by side

Differences highlightedShow differences only

Comparison of BU400A-W3100X, S540T
191 specifications	A ASUS ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U Model BU400A-W3100X View product	B Lenovo ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop Model S540T View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Business	Unknown — not stated by the source
Display4 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	Not supported	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i3	4th gen Intel® Core™ i7
Processor modelDiffers	i3-3217U	i7-4500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3 GHz
Processor frequency	1.8 GHz	1.8 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1023	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3200 Mobile Series	Intel Core i7-4500 Mobile series
Processor codenameDiffers	Ivy Bridge	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
SteppingDiffers	L1	C0
Thermal Design Power (TDP)Differs	17 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	12 GB	16 GB
Memory form factorKnown for one	On-board + SO-DIMM	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	320 GB	256 GB
Storage mediaDiffers	HDD+SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	32 GB	256 GB
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA III	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon HD 8670M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyDiffers	350 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDDiffers	0x166	0xA16
Audio1 differ
Audio systemDiffers	SonicMaster Lite	Dolby Home Theater v4
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribe	No	No
Networkidentical
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	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
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	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	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8 Pro
Operating system architecture	64-bit	64-bit
Processor special features11 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 TechnologyDiffers	Yes	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 ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	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)Differs	No	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	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)Known for one	Unknown — not stated by the source	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)Known for one	Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	Yes	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	65697	75460
Processor codeDiffers	SR0N9	SR16Z
Processor package sizeDiffers	31 x 24 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Number of battery cells	4	4
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Battery capacityKnown for one	53 Wh	Unknown — not stated by the source
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Trusted Platform Module (TPM)Known 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	BIOS, HDD, User	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	1.64 kg	2.11 kg
WidthDiffers	339 mm	379 mm
DepthDiffers	234 mm	253 mm
HeightKnown for one	Unknown — not stated by the source	22.7 mm
Height (front)Known for one	1.98 cm	Unknown — not stated by the source
Height (rear)Known for one	2.05 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	UL, TUV, CE, FCC, BSMI, C-TICK / NZ A-Tick, CCC, GOST-R, CB, EPEAT, IDA, CECP, WEEE, Erp 2013, FIPS 201, TCO4.0, JATE	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Professional	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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