Product comparison · 2 laptops

Lenovo ThinkPad X1 Carbon Win CH vs Lenovo ThinkPad X250 Touch Win8.1 US

171specifications compared
40differ
131identical
27known for one product only

Key differences

Product type
- ThinkPad X1 Carbon Win CH:Ultrabook
- ThinkPad X250 Touch Win8.1 US:Laptop
Display diagonal
- ThinkPad X1 Carbon Win CH:35.6 cm (14")
- ThinkPad X250 Touch Win8.1 US:31.8 cm (12.5")
Display resolution
- ThinkPad X1 Carbon Win CH:2560 x 1440 pixels
- ThinkPad X250 Touch Win8.1 US:1920 x 1080 pixels
Touchscreen
- ThinkPad X1 Carbon Win CH:No
- ThinkPad X250 Touch Win8.1 US:Yes
HD type
- ThinkPad X1 Carbon Win CH:Quad HD
- ThinkPad X250 Touch Win8.1 US:Full HD
Display surface
- ThinkPad X1 Carbon Win CH:Matt
- ThinkPad X250 Touch Win8.1 US:Gloss
Processor family
- ThinkPad X1 Carbon Win CH:Intel® Core™ i7
- ThinkPad X250 Touch Win8.1 US:Intel® Core™ i5
Processor generation
- ThinkPad X1 Carbon Win CH:5th gen Intel® Core™ i7
- ThinkPad X250 Touch Win8.1 US:5th gen Intel® Core™ i5

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad X1 Carbon Win CH, ThinkPad X250 Touch Win8.1 US
198 specifications	A Lenovo ThinkPad X1 Carbon Win CH View product	B Lenovo ThinkPad X250 Touch Win8.1 US View product
Design1 differ
Product typeDiffers	Ultrabook	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Aluminium, Carbon fibre, Glass fibre, Magnesium, Plastic	Unknown — not stated by the source
Market positioning	Business	Business
Display5 differ
Display diagonalDiffers	35.6 cm (14")	31.8 cm (12.5")
Display resolutionDiffers	2560 x 1440 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	Quad HD	Full HD
Panel typeKnown for one	IPS	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceDiffers	Matt	Gloss
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
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	5th gen Intel® Core™ i7	5th gen Intel® Core™ i5
Processor modelDiffers	i7-5500U	i5-5300U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	2.9 GHz
Processor frequencyDiffers	2.4 GHz	2.3 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache type	L3	L3
Processor socket	BGA 1168	BGA 1168
Processor lithography	14 nm	14 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i7-5500 Mobile Series	Intel® Core™ i5-5300 Mobile Series
Processor codename	Broadwell	Broadwell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	F0	F0
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-down	7.5 W	7.5 W
Configurable TDP-down frequency	0.6 GHz	0.6 GHz
Tjunction	105 °C	105 °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
Memory1 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	On-board	SO-DIMM
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)	8 GB	8 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Storage4 differ
Total storage capacityDiffers	512 GB	256 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	512 GB	256 GB
SSD interfaceDiffers	M.2	SATA III
Optical drive type	No	No
Card reader integratedDiffers	No	Yes
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 cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 5500	Intel® HD Graphics 5500
Maximum on-board graphics card memory	16 GB	16 GB
On-board graphics card base frequency	300 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	900 MHz
On-board graphics card DirectX version	11.2	11.2
On-board graphics card ID	0x1616	0x1616
Audio1 differ
Audio systemDiffers	HD	Dolby Advanced v4
Number of built-in speakers	2	2
Speaker powerKnown for one	1 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Optical driveidentical
LightScribe	No	No
Network1 differ
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 LANDiffers	No	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
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
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
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Performanceidentical
Motherboard chipset	Intel SoC	Intel SoC
Keyboard2 differ
Pointing device	Trackpad	Trackpad
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboard	Yes	Yes
Windows keys	Yes	Yes
Keyboard layoutDiffers	QWERTZ	QWERTY
Keyboard languageDiffers	Swiss	US English
Full-size 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 features8 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
Graphics & IMC lithography	14 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
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	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) version	1.00	1.00
Intel Smart Connect Technology	No	No
Intel Smart Response Technology version	1.00	1.00
Intel Stable Image Platform Program (SIPP)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NIDiffers	No	Yes
Intel TSX-NI versionDiffers	0.00	1.00
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)	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)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® High Definition Audio (Intel® HD Audio)	No	No
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® OS Guard	Yes	Yes
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
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Processor ARK IDDiffers	85214	85213
Processor codeDiffers	SR23W	SR23X
Processor package size	40 x 24 x 1.3 mm	40 x 24 x 1.3 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	8	3+3
Battery capacityDiffers	50 Wh	47 Wh
Battery life (max)Known for one	9.9 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	45 W
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
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
Wi-Fi certified	Yes	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
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	1.6 cm	Unknown — not stated by the source
Height (rear)Known for one	2.1 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
Stylus penKnown for one	Yes	Unknown — not stated by the source
Interface adapters includedKnown for one	Mini DisplayPort male - VGA female, USB male - Ethernet LAN (RJ-45) female	Unknown — not stated by the source
Manual	Yes	Yes
Power cord included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Intel segment taggingDiffers	Enterprise, Small Business	Home office, 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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