Product comparison · 2 laptops

Lenovo T440s Win8.1 CH vs Lenovo X1 Carbon Touch Win8.1 US

172specifications compared
25differ
147identical
17known for one product only

Key differences

Product type
- T440s Win8.1 CH:Laptop
- X1 Carbon Touch Win8.1 US:Ultrabook
Display resolution
- T440s Win8.1 CH:1920 x 1080 pixels
- X1 Carbon Touch Win8.1 US:2560 x 1440 pixels
Touchscreen
- T440s Win8.1 CH:No
- X1 Carbon Touch Win8.1 US:Yes
Display surface
- T440s Win8.1 CH:Matt
- X1 Carbon Touch Win8.1 US:Gloss
Internal memory
- T440s Win8.1 CH:12 GB
- X1 Carbon Touch Win8.1 US:8 GB
Memory form factor
- T440s Win8.1 CH:On-board + SO-DIMM
- X1 Carbon Touch Win8.1 US:On-board
Memory layout (slots x size)
- T440s Win8.1 CH:1 x 4 + 1 x 8 GB
- X1 Carbon Touch Win8.1 US:1 x 8 GB
Maximum internal memory
- T440s Win8.1 CH:12 GB
- X1 Carbon Touch Win8.1 US:8 GB

Side by side

Differences highlightedShow differences only

Comparison of T440s Win8.1 CH, X1 Carbon Touch Win8.1 US
189 specifications	A Lenovo T440s Win8.1 CH View product	B Lenovo X1 Carbon Touch Win8.1 US View product
Design1 differ
Product typeDiffers	Laptop	Ultrabook
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioning	Business	Business
Display3 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	2560 x 1440 pixels
TouchscreenDiffers	No	Yes
HD typeKnown for one	Full HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceDiffers	Matt	Gloss
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Panel typeKnown for one	Unknown — not stated by the source	IPS
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Processoridentical
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 model	i7-4600U	i7-4600U
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.3 GHz	3.3 GHz
Processor frequency	2.1 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	4 MB	4 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 series	Intel Core i7-4600 Mobile series	Intel Core i7-4600 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
Memory5 differ
Internal memoryDiffers	12 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	On-board + SO-DIMM	On-board
Memory layout (slots x size)Differs	1 x 4 + 1 x 8 GB	1 x 8 GB
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	12 GB	8 GB
Maximum internal memory (64-bit)Differs	12 GB	8 GB
Storage3 differ
Total storage capacityDiffers	256 GB	512 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	512 GB
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Optical drive type	No	No
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MMC, SD, SDHC, SDXC	Unknown — not stated by the source
Graphicsidentical
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 version	11.2/12	11.2/12
On-board graphics card OpenGL version	4.3	4.3
On-board graphics card ID	0xA16	0xA16
Audioidentical
Audio system	Dolby Home Theater v4	Dolby Home Theater v4
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
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
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces5 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	2
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	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	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Number of SATA III connectors	4	4
Performance1 differ
Motherboard chipsetDiffers	Intel SoC	Intel® QS77 Express
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Spill-resistant keyboard	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard layoutDiffers	QWERTZ	QWERTY
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 8.1 Pro	Windows 8.1 Pro
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
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 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 ID	76616	76616
Processor code	SR1EA	SR1EA
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
Battery3 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3+3	8
Battery capacityDiffers	47 Wh	45 Wh
Battery life (max)Differs	6 h	8.6 h
Poweridentical
AC adapter power	65 W	65 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 type	Kensington	Kensington
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	1.5 kg	1.3 kg
WidthDiffers	332 mm	331 mm
Depth	227 mm	227 mm
HeightKnown for one	22 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	1.7 cm
Height (rear)Known for one	Unknown — not stated by the source	2.2 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Other features1 differ
Intel segment taggingDiffers	Home office, Small Business	Enterprise, Small Business

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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