Product comparison · 2 laptops

Lenovo Edge S440 + ThinkPad OneLink Dock vs Lenovo ThinkPad W540

131specifications compared
47differ
84identical
53known for one product only

Key differences

Display diagonal
- Edge S440 + ThinkPad OneLink Dock:35.6 cm (14")
- ThinkPad W540:39.6 cm (15.6")
Display resolution
- Edge S440 + ThinkPad OneLink Dock:1600 x 900 pixels
- ThinkPad W540:1920 x 1080 pixels
HD type
- Edge S440 + ThinkPad OneLink Dock:HD+
- ThinkPad W540:Full HD
Processor model
- Edge S440 + ThinkPad OneLink Dock:i7-4500U
- ThinkPad W540:i7-4800MQ
Processor cores
- Edge S440 + ThinkPad OneLink Dock:2
- ThinkPad W540:4
Processor threads
- Edge S440 + ThinkPad OneLink Dock:4
- ThinkPad W540:8
Processor boost frequency
- Edge S440 + ThinkPad OneLink Dock:3 GHz
- ThinkPad W540:3.7 GHz
Processor frequency
- Edge S440 + ThinkPad OneLink Dock:1.8 GHz
- ThinkPad W540:2.7 GHz

Side by side

Differences highlightedShow differences only

Comparison of Edge S440 + ThinkPad OneLink Dock, ThinkPad W540
184 specifications	A Lenovo Edge S440 + ThinkPad OneLink Dock View product	B Lenovo ThinkPad W540 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
HD typeDiffers	HD+	Full HD
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Dual-screenKnown for one	No	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	4th gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor modelDiffers	i7-4500U	i7-4800MQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3 GHz	3.7 GHz
Processor frequencyDiffers	1.8 GHz	2.7 GHz
Processor cacheDiffers	4 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	4 MB	Unknown — not stated by the source
Processor socketDiffers	BGA 1168	PGA946
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i7-4800 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)Differs	15 W	47 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
Memory1 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 8 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	32 GB
Storage2 differ
Total storage capacityDiffers	256 GB	180 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	180 GB
SSD interfaceKnown for one	SATA II	Unknown — not stated by the source
Optical drive typeKnown for one	No	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, SD, SDHC, SDXC	Unknown — not stated by the source
Graphics5 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	AMD Radeon HD 8670M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	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 4400	Intel® HD Graphics 4600
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequencyDiffers	200 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1300 MHz
On-board graphics card DirectX versionDiffers	12	11.1
On-board graphics card IDDiffers	0xA16	0x416
Audio1 differ
Audio systemDiffers	Dolby Home Theater	Dolby Home Theater v4
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	3 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	0	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 quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantityDiffers	0	1
Headphone outputsDiffers	0	1
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorKnown for one	Yes	Unknown — not stated by the source
ExpressCard slotDiffers	No	Yes
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
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
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
Thunderbolt 2 ports quantityKnown for one	Unknown — not stated by the source	0
Mini HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	0
LAN/VGA combo portKnown for one	Unknown — not stated by the source	No
Mini VGA ports quantityKnown for one	Unknown — not stated by the source	0
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8 Pro	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features6 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 Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
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 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-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
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® 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	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75460	75128
Processor codeDiffers	SR16Z	SR15L
Processor package sizeDiffers	40 x 24 x 1.5 mm	37.5 x 37.5 x 4.7 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Battery3 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	9
Battery capacityDiffers	46 Wh	9210 mAh
Battery life (max)Known for one	6 h	Unknown — not stated by the source
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 voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.92 kg	2.53 kg
WidthDiffers	332.8 mm	375.9 mm
DepthDiffers	224.8 mm	248.9 mm
HeightDiffers	22.1 mm	27.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Professional

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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