Lenovo ThinkPad X1 Carbon Gen 14 vs Lenovo ThinkPad X240

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ThinkPad X1 Carbon Gen 14 compared with ThinkPad X240

	LenovoThinkPad X1 Carbon Gen 14	LenovoThinkPad X240
Overview
Released
Released	March 2026	October 2013
Display
Screen size
Screen size	14″	12.5″
Resolution
Resolution	1920 × 1200 (better)	1366 × 768 or 1920 × 1080
Panel
Panel	IPS LCD	TN LCD or IPS LCD
Refresh rate
Refresh rate	60 Hz	–
Brightness
Brightness	500 nits (better)	200 nits, 300 nits or 400 nits
Touchscreen
Touchscreen	Yes	No or Yes
Display type
Display type	WUXGA IPS, 16:10; in-cell touch (low power) or on-cell touch with ThinkPad Privacy Guard	12.5-inch HD TN (200 nits), HD IPS (300 nits), or Full HD IPS (400 nits); optional ten-finger touch
Colour range
Colour range	100% sRGB	–
Screen finish
Screen finish	Anti-glare	Anti-glare
Display features
Display features	1,500:1 contrast; 85° viewing angles; Eyesafe Certified 2.0; 88.8% screen-to-body ratio; Privacy Guard with Privacy Alert on Privacy Guard models	–
Performance
Processor
Processor	Intel Core Ultra 5 325 or Intel Core Ultra 7 356H	Intel Core i5-4200U or Intel Core i5-4300U
CPU cores
CPU cores	8 or 16	2
CPU threads
CPU threads	8 or 16	4
Graphics
Graphics	Intel Graphics	Intel HD Graphics 4400
AI engine (NPU)
AI engine (NPU)	47 TOPS or 50 TOPS	–
Memory
Memory	32 GB (better)	4 GB or 8 GB
Storage
Storage	256 GB to 1 TB (better)	128 GB to 500 GB
CPU
CPU	Core Ultra 5 325 with 4 P-cores and 4 LP E-cores (12 MB cache); Core Ultra 7 356H with 4 P-cores, 8 E-cores and 4 LP E-cores (18 MB cache)	Fourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platform
GPU
GPU	Integrated Intel Graphics (up to 40 TOPS), shared memory, DirectX 12 Ultimate	Integrated Intel HD Graphics 4400
AI engine
AI engine	Copilot+ PC	–
Memory type
Memory type	LPDDR5X-8533, soldered (not upgradable), dual-channel; may run at a lower speed due to platform limits	DDR3L-1600; one SO-DIMM socket, up to 8 GB
Storage type
Storage type	One M.2 2280 PCIe 5.0 x4 slot; PCIe 4.0 x4 or PCIe 5.0 x4 NVMe SSD up to 2 TB, Opal 2.0	Removable 2.5-inch SATA HDD, SSD or SSHD; optional M.2 SSD shares space with WWAN or smart card reader, depending on slot
Cooling
Cooling	Fans; Lenovo quotes up to 20% better heat dissipation and 30 W sustained power	–
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 32.8 hours	Up to 8.7 hours
Battery capacity
Battery capacity	58 Wh	–
Weight
Weight	0.977 kg (better)	1.42 kg
Thickness
Thickness	14.3 mm (better)	19.9 mm
Width × depth
Width × depth	312.5 × 215.75 mm	305.5 × 208.5 mm
Battery life detail
Battery life detail	58 Wh Li-ion; MobileMark 30 up to 19.2 hr, JEITA 3.0 up to 18.9 hr video and 38.0 hr idle (Lenovo test with Core Ultra 5 325, 16 GB and WUXGA Privacy Guard touch screen)	Optional internal 23.5 Wh battery; removable external 23.5 Wh, 47.5 Wh or 72 Wh battery; internal plus 23.5 Wh external up to 8.7 hours, plus 47.5 Wh up to 13.1 hours, plus 72 Wh up to 17.4 hours; weight shown with internal and three-cell external batteries, non-touch
Charger
Charger	65 W USB-C (PD 3.0) adapter, including nano and slim GaN versions; offerings vary by country	45 W
Fast charging
Fast charging	Rapid Charge to 80% in 1 hour with the 65 W adapter (when off, in standby or hibernating)	–
Materials
Materials	Carbon fibre top cover and aluminium bottom cover (WUXGA models); MIL-STD-810H tested	Glass-fibre reinforced plastic
Colours
Colours	Black; Black FIFA Edition	Black
Connections
Ports
Ports	3 × Thunderbolt 4, USB-A, HDMI, headphone jack	2 × USB-A, Ethernet, SD card slot, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 7	802.11b/g/n or 802.11a/b/g/n; optional 802.11ac
Bluetooth
Bluetooth	5.4	Optional Bluetooth 4.0
Webcam
Webcam	5MP with IR	Optional 720p
Operating system
Operating system	Windows	Windows
Port detail
Port detail	3 × Thunderbolt 4 with USB PD 15–65 W and DisplayPort 2.1; USB-A 5 Gbps (Always On); HDMI 2.1 up to 4K 60 Hz; 3.5 mm headphone/mic combo jack; nano-SIM slot on WWAN models	Two USB 3.0 (one Always On), VGA, Mini DisplayPort, Gigabit Ethernet, combo audio jack, SD/MMC/SDHC/SDXC reader, optional smart card and SIM slot; docking connector
External displays
External displays	Up to three external displays (four including the built-in); Thunderbolt up to 8K 60 Hz, HDMI up to 4K 60 Hz	Three independent displays; Mini DisplayPort up to 3840 × 2160 at 30 Hz on integrated graphics; VGA up to 1920 × 1200 at 60 Hz
Keyboard
Keyboard	6-row, spill-resistant, backlit; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPoint	Six-row spill-resistant keyboard; TrackPoint; optional backlight
Trackpad
Trackpad	Glass haptic touchpad (80 × 130 mm) or Mylar 3-button trackpad (80 × 120 mm)	UltraNav multi-touch touchpad; five buttons integrated into the clickpad
Speakers
Speakers	Stereo 2 W × 2, Dolby Atmos	1.5 W × 2 stereo speakers
Microphones
Microphones	Dual-microphone array, 360° far-field	Dual-array microphone
Biometrics
Biometrics	Fingerprint reader in the power button (match-on-chip); IR camera for Windows Hello	Optional swipe fingerprint reader; TPM 1.2