Product comparison · 2 laptops

Lenovo ThinkPad T440p Win CH vs Lenovo X1 Carbon Win8.1 CH

165specifications compared
54differ
111identical
29known for one product only

Key differences

Product type
- ThinkPad T440p Win CH:Laptop
- X1 Carbon Win8.1 CH:Ultrabook
Display resolution
- ThinkPad T440p Win CH:1920 x 1080 pixels
- X1 Carbon Win8.1 CH:2560 x 1440 pixels
Processor model
- ThinkPad T440p Win CH:i7-4710MQ
- X1 Carbon Win8.1 CH:i7-4600U
Processor cores
- ThinkPad T440p Win CH:4
- X1 Carbon Win8.1 CH:2
Processor threads
- ThinkPad T440p Win CH:8
- X1 Carbon Win8.1 CH:4
Processor boost frequency
- ThinkPad T440p Win CH:3.5 GHz
- X1 Carbon Win8.1 CH:3.3 GHz
Processor frequency
- ThinkPad T440p Win CH:2.5 GHz
- X1 Carbon Win8.1 CH:2.1 GHz
Processor cache
- ThinkPad T440p Win CH:6 MB
- X1 Carbon Win8.1 CH:4 MB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T440p Win CH, X1 Carbon Win8.1 CH
194 specifications	A Lenovo ThinkPad T440p Win CH View product	B Lenovo X1 Carbon Win8.1 CH View product
Design1 differ
Product typeDiffers	Laptop	Ultrabook
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioning	Business	Business
Display1 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	2560 x 1440 pixels
Touchscreen	No	No
Panel typeKnown for one	Unknown — not stated by the source	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
HD typeKnown for one	Full HD	Unknown — not stated by the source
Processor14 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	i7-4710MQ	i7-4600U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.5 GHz	3.3 GHz
Processor frequencyDiffers	2.5 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	PGA946	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4700 Mobile series	Intel Core i7-4600 Mobile series
Processor codename	Haswell	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	47 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	4x1, 2x4
PCI Express slots versionDiffers	3.0	2.0
ECC supported by processor	No	No
Memory3 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	SO-DIMM	On-board
Memory layout (slots x size)	1 x 8 GB	1 x 8 GB
Maximum internal memoryDiffers	16 GB	8 GB
Maximum internal memory (64-bit)Differs	16 GB	8 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacity	512 GB	512 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacity	512 GB	512 GB
Optical drive typeDiffers	DVD Super Multi DL	No
Card reader integratedDiffers	Yes	No
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD, SDHC, SDXC	Unknown — not stated by the source
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 730M	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequencyDiffers	400 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card DirectX version	11.2/12	11.2/12
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
On-board graphics card IDDiffers	0x416	0xA16
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Audioidentical
Audio system	Dolby Home Theater v4	Dolby Home Theater v4
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	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
Near Field Communication (NFC)	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	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 slot	No	No
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Performance1 differ
Motherboard chipsetDiffers	Intel® QM87	Intel® QS77 Express
Keyboard1 differ
Pointing deviceDiffers	Clickpad	ThinkPad UltraNav
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboard	Yes	Yes
Windows keys	Yes	Yes
Keyboard layout	QWERTZ	QWERTZ
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard languageKnown for one	Swiss	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8.1 Pro
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Processor special features9 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	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	1.00
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® 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)Differs	No	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)Known for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	78931	76616
Processor codeDiffers	SR1PQ	SR1EA
Processor package sizeDiffers	37.5 x 32 x 1.6 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
Battery4 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	9	8
Battery capacityDiffers	99.9 Wh	45 Wh
Battery life (max)Differs	9 h	8.6 h
Power1 differ
AC adapter powerDiffers	135 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
Weight & dimensions5 differ
WeightDiffers	2.1 kg	1.3 kg
WidthDiffers	337 mm	331 mm
DepthDiffers	253 mm	227 mm
Height (front)Differs	2.9 cm	1.6 cm
Height (rear)Differs	3.5 cm	2.1 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
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

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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