Lenovo ThinkPad X1 Carbon Gen 14 vs Lenovo ThinkPad X250

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

ThinkPad X1 Carbon Gen 14 compared with ThinkPad X250
LenovoThinkPad X1 Carbon Gen 14LenovoThinkPad X250
Overview
ReleasedMarch 2026February 2015
Display
Screen size14″12.5″
Resolution1920 × 1200 (better)1366 × 768
PanelIPS LCDIPS LCD
Refresh rate60 Hz–
Brightness500 nits (better)300 nits
TouchscreenYesNo
Display typeWUXGA IPS, 16:10; in-cell touch (low power) or on-cell touch with ThinkPad Privacy GuardHD (200 nits), HD IPS (300 nits), or Full HD IPS (400 nits); touch IPS versions rated at 270 nits for HD and 360 nits for Full HD
Colour range100% sRGB–
Screen finishAnti-glareAnti-glare
Display features1,500:1 contrast; 85° viewing angles; Eyesafe Certified 2.0; 88.8% screen-to-body ratio; Privacy Guard with Privacy Alert on Privacy Guard models–
Performance
ProcessorIntel Core Ultra 5 325 or Intel Core Ultra 7 356HIntel Core i5-5200U
CPU cores8 or 162
CPU threads8 or 164
GraphicsIntel GraphicsIntel HD Graphics 5500
AI engine (NPU)47 TOPS or 50 TOPS–
Memory32 GB (better)8 GB
Storage256 GB to 1 TB (better)256 GB
CPUCore 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- or fifth-generation dual-core Intel Core processors; listed configuration uses fifth-generation Core i5
GPUIntegrated Intel Graphics (up to 40 TOPS), shared memory, DirectX 12 UltimateIntel HD Graphics 5500 on fifth-generation models
AI engineCopilot+ PC–
Memory typeLPDDR5X-8533, soldered (not upgradable), dual-channel; may run at a lower speed due to platform limitsDDR3L-1600; one SO-DIMM socket, up to 16 GB on fifth-generation processors or 8 GB on Core i5-4300U models
Storage typeOne M.2 2280 PCIe 5.0 x4 slot; PCIe 4.0 x4 or PCIe 5.0 x4 NVMe SSD up to 2 TB, Opal 2.0SATA HDD, SSD or SSHD; optional M.2 SSD; listed configuration has 256 GB SSD (Notebookcheck)
CoolingFans; Lenovo quotes up to 20% better heat dissipation and 30 W sustained power–
Battery and size
Battery life (maker's claim)Up to 32.8 hoursUp to 10.7 hours
Battery capacity58 Wh–
Weight0.977 kg (better)1.42 kg
Thickness14.3 mm (better)20.3 mm
Width × depth312.5 × 215.75 mm305.5 × 208.5 mm
Battery life detail58 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 Wh battery; removable external 23, 48 or 72 Wh battery; internal plus 23 Wh external up to 10.7 hours, plus 48 Wh up to 16 hours, plus 72 Wh up to 21.4 hours; weight shown with internal and three-cell external batteries, non-touch
Charger65 W USB-C (PD 3.0) adapter, including nano and slim GaN versions; offerings vary by country45 W
Fast chargingRapid Charge to 80% in 1 hour with the 65 W adapter (when off, in standby or hibernating)–
MaterialsCarbon fibre top cover and aluminium bottom cover (WUXGA models); MIL-STD-810H testedGlass-fibre reinforced lid and bottom; carbon-fibre reinforced lid on touch models
ColoursBlack; Black FIFA EditionBlack
Connections
Ports3 × Thunderbolt 4, USB-A, HDMI, headphone jack2 × USB-A, Ethernet, SD card slot, headphone jack
Wi-FiWi-Fi 7802.11b/g/n or 802.11a/b/g/n; optional 802.11ac
Bluetooth5.4Optional Bluetooth 4.0
Webcam5MP with IROptional 720p
Operating systemWindowsWindows
Port detail3 × 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 modelsTwo USB 3.0, VGA, Mini DisplayPort, Gigabit Ethernet, combo audio, SD/MMC/SDHC/SDXC reader and docking connector; optional smart card and SIM slot
External displaysUp to three external displays (four including the built-in); Thunderbolt up to 8K 60 Hz, HDMI up to 4K 60 HzThree independent displays; Mini DisplayPort up to 3840 × 2160 at 60 Hz, VGA up to 1920 × 1200 at 60 Hz
Keyboard6-row, spill-resistant, backlit; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPointSix-row spill-resistant keyboard; optional backlight
TrackpadGlass haptic touchpad (80 × 130 mm) or Mylar 3-button trackpad (80 × 120 mm)Multi-touch Mylar clickpad; TrackPoint with dedicated buttons
SpeakersStereo 2 W × 2, Dolby Atmos1.5 W × 2 stereo speakers
MicrophonesDual-microphone array, 360° far-fieldDual-array microphone
BiometricsFingerprint reader in the power button (match-on-chip); IR camera for Windows HelloOptional swipe fingerprint reader; TPM 1.2

More comparisons