Product comparison · 2 laptops

Lenovo X1 Carbon (2 Gen) vs LG Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U

136specifications compared
39differ
97identical
52known for one product only

Key differences

Product colour
- X1 Carbon (2 Gen):Black
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:White
Display diagonal
- X1 Carbon (2 Gen):35.6 cm (14")
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:33.8 cm (13.3")
Display resolution
- X1 Carbon (2 Gen):2560 x 1440 pixels
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:1920 x 1080 pixels
HD type
- X1 Carbon (2 Gen):Quad HD
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:Full HD
Processor family
- X1 Carbon (2 Gen):Intel® Core™ i7
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:Intel® Core™ i5
Processor generation
- X1 Carbon (2 Gen):4th gen Intel® Core™ i7
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:4th gen Intel® Core™ i5
Processor model
- X1 Carbon (2 Gen):i7-4550U
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:i5-4200U
Processor boost frequency
- X1 Carbon (2 Gen):3 GHz
- Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U:2.6 GHz

Side by side

Differences highlightedShow differences only

Comparison of X1 Carbon (2 Gen), 13Z940-GH50K
188 specifications	A Lenovo X1 Carbon (2 Gen)View product	B LG Z series 13Z940-GH50K laptop Intel® Core™ i5 i5-4200U Model 13Z940-GH50K View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	White
Form factor	Clamshell	Clamshell
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
Touchscreen	No	No
HD typeDiffers	Quad HD	Full HD
Panel type	IPS	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
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
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-4550U	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	2.6 GHz
Processor frequencyDiffers	1.5 GHz	1.6 GHz
Processor cacheDiffers	4 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i5-4200 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	2x4	1x4, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	On-board	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
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
Storage3 differ
Total storage capacityDiffers	256 GB	128 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	128 GB
Optical drive type	No	No
Card reader integratedDiffers	No	Yes
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash)
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 5000	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 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
Number of built-in speakers	2	2
Speaker power	1 W	1 W
Built-in microphone	Yes	Yes
Camera1 differ
Front camera	Yes	Yes
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
Network1 differ
Wi-Fi	Yes	Yes
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)
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
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
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) ports	0	0
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connectorDiffers	Yes	No
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
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
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	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad + Scroll zone
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
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
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
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
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 TechnologyDiffers	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	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)Differs	Yes	No
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)	Yes	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)Differs	Yes	No
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	75112	75459
Processor codeDiffers	SR16J	SR170
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
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
DC-in jack	Yes	Yes
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
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
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
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Small Business	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown 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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