ASUS Zenbook A14 (UX3407, 2025) vs Lenovo ThinkPad X1 Carbon Gen 14

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

Better figure, where one is clearly better

Zenbook A14 (UX3407, 2025) compared with ThinkPad X1 Carbon Gen 14
ASUSZenbook A14 (UX3407, 2025)LenovoThinkPad X1 Carbon Gen 14
Overview
ReleasedJanuary 2025March 2026
Display
Screen size14″14″
Resolution1920 × 12001920 × 1200
PanelOLEDIPS LCD
Refresh rate60 Hz60 Hz
Brightness400 nits500 nits (better)
HDR peak brightness600 nits–
TouchscreenNoYes
Display typeWUXGA OLED, 16:10, 0.2 ms response, 1,000,000:1 contrast, 1.07 billion coloursWUXGA IPS, 16:10; in-cell touch (low power) or on-cell touch with ThinkPad Privacy Guard
Colour range100% DCI-P3100% sRGB
Screen finishGlossy on the Snapdragon X model; anti-glare, low-reflection on the Snapdragon X Elite modelAnti-glare
Display featuresVESA DisplayHDR True Black 600; TÜV Rheinland-certified low blue light; SGS Eye Care Display; 90% screen-to-body ratio1,500:1 contrast; 85° viewing angles; Eyesafe Certified 2.0; 88.8% screen-to-body ratio; Privacy Guard with Privacy Alert on Privacy Guard models
Performance
ProcessorQualcomm Snapdragon X X1-26-100 or Qualcomm Snapdragon X Elite X1E-78-100Intel Core Ultra 5 325 or Intel Core Ultra 7 356H
CPU cores8 or 128 or 16
CPU threads–8 or 16
GraphicsQualcomm Adreno X1-45 or Qualcomm Adreno X1-85Intel Graphics
AI engine (NPU)45 TOPS47 TOPS or 50 TOPS (better)
Memory16 GB or 32 GB32 GB
Storage1 TB256 GB to 1 TB
CPUSnapdragon X X1-26-100 (8 cores, up to 2.97 GHz, 30 MB cache) or Snapdragon X Elite X1E-78-100 (12 cores, up to 3.4 GHz, 42 MB cache); up to 45 W TDPCore 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)
GPUQualcomm Adreno GPUIntegrated Intel Graphics (up to 40 TOPS), shared memory, DirectX 12 Ultimate
AI engineQualcomm Hexagon NPU, up to 45 TOPSCopilot+ PC
Memory typeLPDDR5X-8533 on board; 16 or 32 GBLPDDR5X-8533, soldered (not upgradable), dual-channel; may run at a lower speed due to platform limits
Storage typeM.2 2280 PCIe 4.0 x4 NVMe SSD, up to 1 TBOne 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
CoolingDual fans and a heat pipe; 0 dB Whisper ModeFans; Lenovo quotes up to 20% better heat dissipation and 30 W sustained power
Battery and size
Battery life (maker's claim)Up to 32 hoursUp to 32.8 hours
Battery capacity70 Wh (better)58 Wh
Weight0.98 kg0.977 kg (better)
Thickness15.9 mm14.3 mm (better)
Width × depth310.7 × 213.9 mm312.5 × 215.75 mm
Battery life detail70 Wh, 3-cell Li-ion; over 32 hours of continuous video playback (ASUS)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)
Charger65 W USB-C (Snapdragon X) or 90 W USB-C (Snapdragon X Elite); inclusion varies by country65 W USB-C (PD 3.0) adapter, including nano and slim GaN versions; offerings vary by country
Fast charging–Rapid Charge to 80% in 1 hour with the 65 W adapter (when off, in standby or hibernating)
MaterialsCeraluminum chassisCarbon fibre top cover and aluminium bottom cover (WUXGA models); MIL-STD-810H tested
ColoursIceland Gray; Zabriskie BeigeBlack; Black FIFA Edition
Connections
Ports2 × USB4, USB-A, HDMI, headphone jack3 × Thunderbolt 4, USB-A, HDMI, headphone jack
Wi-FiWi-Fi 7 or Wi-Fi 6EWi-Fi 7
Bluetooth5.4 or 5.35.4
Webcam1080p with IR5MP with IR
Operating systemWindowsWindows
Port detail2 × USB4 (40 Gbps) with display and power delivery; USB 3.2 Gen 2 Type-A (10 Gbps); HDMI 2.1 TMDS; 3.5 mm combo audio jack3 × 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
External displays–Up to three external displays (four including the built-in); Thunderbolt up to 8K 60 Hz, HDMI up to 4K 60 Hz
KeyboardBacklit chiclet keyboard, 1.3 mm key travel, Copilot key6-row, spill-resistant, backlit; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPoint
TrackpadEnlarged precision touchpad with Smart GestureGlass haptic touchpad (80 × 130 mm) or Mylar 3-button trackpad (80 × 120 mm)
Speakers2 super-linear speakers, Dolby Atmos, smart amplifierStereo 2 W × 2, Dolby Atmos
MicrophonesBuilt-in array microphoneDual-microphone array, 360° far-field
BiometricsIR camera for Windows HelloFingerprint reader in the power button (match-on-chip); IR camera for Windows Hello

More comparisons