Product comparison · 2 laptops

Lenovo X1 Carbon Touch Win8.1 CH vs Lenovo X240 Touch Win8.1 US

165specifications compared
30differ
135identical
27known for one product only

Key differences

Product type
- X1 Carbon Touch Win8.1 CH:Ultrabook
- X240 Touch Win8.1 US:Laptop
Display diagonal
- X1 Carbon Touch Win8.1 CH:35.6 cm (14")
- X240 Touch Win8.1 US:31.8 cm (12.5")
Display resolution
- X1 Carbon Touch Win8.1 CH:2560 x 1440 pixels
- X240 Touch Win8.1 US:1920 x 1080 pixels
Processor family
- X1 Carbon Touch Win8.1 CH:Intel® Core™ i7
- X240 Touch Win8.1 US:Intel® Core™ i5
Processor generation
- X1 Carbon Touch Win8.1 CH:4th gen Intel® Core™ i7
- X240 Touch Win8.1 US:4th gen Intel® Core™ i5
Processor model
- X1 Carbon Touch Win8.1 CH:i7-4600U
- X240 Touch Win8.1 US:i5-4300U
Processor boost frequency
- X1 Carbon Touch Win8.1 CH:3.3 GHz
- X240 Touch Win8.1 US:2.9 GHz
Processor frequency
- X1 Carbon Touch Win8.1 CH:2.1 GHz
- X240 Touch Win8.1 US:1.9 GHz

Side by side

Differences highlightedShow differences only

Comparison of X1 Carbon Touch Win8.1 CH, X240 Touch Win8.1 US
192 specifications	A Lenovo X1 Carbon Touch Win8.1 CH View product	B Lenovo X240 Touch Win8.1 US View product
Design1 differ
Product typeDiffers	Ultrabook	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Unknown — not stated by the source	Business
Display2 differ
Display diagonalDiffers	35.6 cm (14")	31.8 cm (12.5")
Display resolutionDiffers	2560 x 1440 pixels	1920 x 1080 pixels
Touchscreen	Yes	Yes
Touch technology	Multi-touch	Multi-touch
Panel type	IPS	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Gloss	Gloss
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
HD typeKnown for one	Unknown — not stated by the source	Full HD
Processor7 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	i7-4600U	i5-4300U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.3 GHz	2.9 GHz
Processor frequencyDiffers	2.1 GHz	1.9 GHz
System bus rate	5 GT/s	5 GT/s
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 i7-4600 Mobile series	Intel Core i5-4300 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	D0	D0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	4x1, 2x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	On-board	Unknown — not stated by the source
Memory layout (slots x size)	1 x 8 GB	1 x 8 GB
Maximum internal memory	8 GB	8 GB
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Storage3 differ
Total storage capacityDiffers	512 GB	256 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	512 GB	256 GB
Optical drive type	No	No
Card reader integratedDiffers	No	Yes
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC, SDXC
Graphics1 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 model	Intel® HD Graphics 4400	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)	1100 MHz	1100 MHz
On-board graphics card DirectX versionDiffers	11.2/12	12
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
On-board graphics card ID	0xA16	0xA16
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	HD
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Optical driveidentical
LightScribe	No	No
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces3 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) portsDiffers	0	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
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	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Number of SATA III connectors	4	4
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Performance1 differ
Motherboard chipsetDiffers	Intel® QS77 Express	Intel® QM87
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard layoutDiffers	QWERTZ	QWERTY
Keyboard languageKnown for one	Unknown — not stated by the source	English
Softwareidentical
Operating system installed	Windows 8.1 Pro	Windows 8.1 Pro
Operating system architecture	64-bit	64-bit
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
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 Small Business Advantage (SBA) version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Smart Response Technology version	1.00	1.00
Intel Stable Image Platform Program (SIPP)	Yes	Yes
Intel Stable Image Platform Program (SIPP) version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	Yes	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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)	No	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)	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)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	76616	76308
Processor codeDiffers	SR1EA	SR1ED
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 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® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x
UARTKnown for one	Unknown — not stated by the source	Yes
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	8	3+3
Battery capacityDiffers	45 Wh	47 Wh
Battery life (max)Known for one	8.6 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	45 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Weight & dimensions3 differ
WeightDiffers	1.3 kg	1.5 kg
WidthDiffers	331 mm	307 mm
DepthDiffers	227 mm	209 mm
Height (front)Known for one	1.7 cm	Unknown — not stated by the source
Height (rear)Known for one	2.2 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	22 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
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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