Product comparison · 2 laptops

Lenovo X1 Carbon (2 Gen) vs LG Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U

133specifications compared
41differ
92identical
62known for one product only

Key differences

Product colour
- X1 Carbon (2 Gen):Black
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:White
Display diagonal
- X1 Carbon (2 Gen):35.6 cm (14")
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:33.8 cm (13.3")
Display resolution
- X1 Carbon (2 Gen):2560 x 1440 pixels
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:1920 x 1080 pixels
HD type
- X1 Carbon (2 Gen):Quad HD
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:Full HD
Processor family
- X1 Carbon (2 Gen):Intel® Core™ i7
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:Intel® Core™ i3
Processor generation
- X1 Carbon (2 Gen):4th gen Intel® Core™ i7
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:4th gen Intel® Core™ i3
Processor model
- X1 Carbon (2 Gen):i7-4550U
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:i3-4005U
Processor frequency
- X1 Carbon (2 Gen):1.5 GHz
- Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U:1.7 GHz

Side by side

Differences highlightedShow differences only

Comparison of X1 Carbon (2 Gen), 13Z940-GH30K
195 specifications	A Lenovo X1 Carbon (2 Gen)View product	B LG Z series 13Z940-GH30K laptop Intel® Core™ i3 i3-4005U Model 13Z940-GH30K View product
Design1 differ
Product colourDiffers	Black	White
Housing materialKnown for one	Aluminium, Carbon fibre, Glass fibre, Magnesium, Plastic	Unknown — not stated by the source
Market positioningKnown for one	Premium	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	35.6 cm (14")	33.8 cm (13.3")
Display resolutionDiffers	2560 x 1440 pixels	1920 x 1080 pixels
HD typeDiffers	Quad HD	Full HD
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Contrast ratio (typical)Known for one	700:1	Unknown — not stated by the source
Processor9 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	4th gen Intel® Core™ i7	4th gen Intel® Core™ i3
Processor modelDiffers	i7-4550U	i3-4005U
Processor frequencyDiffers	1.5 GHz	1.7 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel® Core™ i3-4000 Mobile Series
Bus typeDiffers	DMI2	DMI
Maximum number of PCI Express lanesDiffers	12	10
PCI Express configurationsDiffers	2x4	4x1, 1x4
Processor boost frequencyKnown for one	3 GHz	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	8 GB	4 GB
Memory form factorDiffers	On-board	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	256 GB	128 GB
SSD capacityDiffers	256 GB	128 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash)
Graphics5 differ
On-board graphics card modelDiffers	Intel® HD Graphics 5000	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	1.74 GB	2 GB
On-board graphics card dynamic frequency (max)Differs	1100 MHz	950 MHz
On-board graphics card DirectX versionDiffers	11.1	12
On-board graphics card IDDiffers	0xA26	0xA16
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	SRS Sound Solution
Camera1 differ
Front camera resolution (numeric)Differs	1 MP	1.3 MP
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	867 Mbit/s
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Bluetooth Low Energy (BLE)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Docking connectorDiffers	Yes	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	2
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad + Scroll zone
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard number of keysKnown for one	Unknown — not stated by the source	79
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office
Bundled softwareKnown for one	Unknown — not stated by the source	Norton Anti-Virus 2013
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Processor special features6 differ
Intel FDI TechnologyDiffers	Yes	No
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	0.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	0.00
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
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® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	75112	75105
UARTKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	SR16J	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	8	Unknown — not stated by the source
Battery capacityKnown for one	45 Wh	Unknown — not stated by the source
Battery life (max)Known for one	9 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	45 W	40 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	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	HDD, Power on, Supervisor	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.28 kg	980 g
WidthDiffers	331 mm	303 mm
DepthDiffers	226.5 mm	214 mm
HeightDiffers	17.7 mm	13.6 mm
Packaging contentidentical
Power cord includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	MIL-STD-810G	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Small Business	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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