ASUS Zenbook A14 (UX3407, 2025) vs ASUS Zenbook DUO (UX8407)

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Zenbook A14 (UX3407, 2025) compared with Zenbook DUO (UX8407)

	ASUSZenbook A14 (UX3407, 2025)	ASUSZenbook DUO (UX8407)
Overview
Released
Released	January 2025	February 2026
Display
Screen size
Screen size	14″	14″
Resolution
Resolution	1920 × 1200	2880 × 1800 (better)
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	60 Hz	144 Hz (better)
Brightness
Brightness	400 nits	500 nits (better)
HDR peak brightness
HDR peak brightness	600 nits	1,000 nits (better)
Touchscreen
Touchscreen	No	Yes
Display type
Display type	WUXGA OLED, 16:10, 0.2 ms response, 1,000,000:1 contrast, 1.07 billion colours	Two 14-inch 3K ASUS Lumina Pro OLED touch screens, 16:10, stylus support
Colour range
Colour range	100% DCI-P3	100% DCI-P3
Screen finish
Screen finish	Glossy on the Snapdragon X model; anti-glare, low-reflection on the Snapdragon X Elite model	Anti-reflection coating (65% less reflection)
Display features
Display features	VESA DisplayHDR True Black 600; TÜV Rheinland-certified low blue light; SGS Eye Care Display; 90% screen-to-body ratio	0.2 ms response; 1,000,000:1 contrast; VESA DisplayHDR True Black 1000; 1.07 billion colours; PANTONE Validated; 93% screen-to-body ratio; E-Reading mode
Performance
Processor
Processor	Qualcomm Snapdragon X X1-26-100 or Qualcomm Snapdragon X Elite X1E-78-100	Intel Core Ultra 9 386H, Intel Core Ultra X9 378H or Intel Core Ultra X9 388H
CPU cores
CPU cores	8 or 12	16
CPU threads
CPU threads	–	16
Graphics
Graphics	Qualcomm Adreno X1-45 or Qualcomm Adreno X1-85	Intel Graphics or Intel Arc B390 GPU
AI engine (NPU)
AI engine (NPU)	45 TOPS	50 TOPS (better)
Memory
Memory	16 GB or 32 GB	32 GB
Storage
Storage	1 TB	1 TB to 2 TB (better)
CPU
CPU	Snapdragon 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 TDP	Core Ultra X9 388H or 378H, Core Ultra X7 358H or Core Ultra 9 386H with 4 P-cores, 8 E-cores and 4 LP E-cores (18 MB cache); Core Ultra 7 355 with 4 P-cores and 4 LP E-cores (12 MB cache)
GPU
GPU	Qualcomm Adreno GPU	Intel Arc B390 GPU (Core Ultra X7 and X9) or Intel Graphics, integrated
AI engine
AI engine	Qualcomm Hexagon NPU, up to 45 TOPS	Copilot+ PC; Intel NPU up to 50 TOPS
Memory type
Memory type	LPDDR5X-8533 on board; 16 or 32 GB	LPDDR5X on board, 16 or 32 GB, not upgradable
Storage type
Storage type	M.2 2280 PCIe 4.0 x4 NVMe SSD, up to 1 TB	One M.2 2280 PCIe 4.0 x4 slot; 512 GB, 1 TB or 2 TB NVMe SSD
Cooling
Cooling	Dual fans and a heat pipe; 0 dB Whisper Mode	–
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 32 hours	Up to 32 hours
Battery capacity
Battery capacity	70 Wh	99 Wh (better)
Weight
Weight	0.98 kg (better)	1.65 kg
Thickness
Thickness	15.9 mm (better)	23.4 mm
Width × depth
Width × depth	310.7 × 213.9 mm	310.1 × 208.6 mm
Battery life detail
Battery life detail	70 Wh, 3-cell Li-ion; over 32 hours of continuous video playback (ASUS)	99 Wh, 4-cell Li-ion; 1080p video up to 32 hr (one screen) or 18 hr (two screens); web browsing up to 18 hr (one screen) or 12 hr (two screens); ASUS test at 150 nits and 60 Hz
Charger
Charger	65 W USB-C (Snapdragon X) or 90 W USB-C (Snapdragon X Elite); inclusion varies by country	100 W USB-C adapter; not included in every country
Fast charging
Fast charging	–	60% in 49 minutes
Materials
Materials	Ceraluminum chassis	Ceraluminum chassis, hinge and kickstand; MIL-STD-810H tested
Colours
Colours	Iceland Gray; Zabriskie Beige	Moher Gray
Connections
Ports
Ports	2 × USB4, USB-A, HDMI, headphone jack	2 × Thunderbolt 4, USB-A, HDMI, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 7 or Wi-Fi 6E	Wi-Fi 7
Bluetooth
Bluetooth	5.4 or 5.3	5.4
Webcam
Webcam	1080p with IR	FHD with IR
Operating system
Operating system	Windows	Windows
Port detail
Port detail	2 × 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 jack	2 × Thunderbolt 4 (40 Gbps, display and power delivery); USB-A 10 Gbps; HDMI 2.1 FRL; 3.5 mm combo audio jack
External displays
External displays	–	Two 4K 60 Hz or one 8K 60 Hz over Thunderbolt 4
Keyboard
Keyboard	Backlit chiclet keyboard, 1.3 mm key travel, Copilot key	Detachable Bluetooth keyboard, backlit, 1.7 mm key travel, Copilot key; attaches magnetically to the lower screen with pogo pins
Trackpad
Trackpad	Enlarged precision touchpad with Smart Gesture	ErgoSense precision touchpad on the keyboard
Speakers
Speakers	2 super-linear speakers, Dolby Atmos, smart amplifier	Six speakers with dedicated tweeters and woofers, Smart Amp
Microphones
Microphones	Built-in array microphone	Array microphone
Biometrics
Biometrics	IR camera for Windows Hello	IR camera for Windows Hello
In the box
In the box	–	ASUS Pen with wireless charger in some countries