ASUS Zenbook 14 (UX3480) Intel vs ASUS Zenbook DUO (UX8407)

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Zenbook 14 (UX3480) Intel compared with Zenbook DUO (UX8407)

	ASUSZenbook 14 (UX3480) Intel	ASUSZenbook DUO (UX8407)
Overview
Released
Released	June 2026	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	300 nits	500 nits (better)
HDR peak brightness
HDR peak brightness	–	1,000 nits
Touchscreen
Touchscreen	No	Yes
Display type
Display type	FHD OLED (1920 × 1200), 16:10, non-touch (UK); 3K (2880 × 1800) 120 Hz OLED with 500 nits SDR, 1,100 nits HDR peak and touch options elsewhere	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	–	Anti-reflection coating (65% less reflection)
Display features
Display features	1,000,000:1 contrast; TÜV Rheinland certified; SGS Eye Care Display; 89% screen-to-body ratio; 3K panel is VESA DisplayHDR True Black 600	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	Intel Core Ultra 5 325, Intel Core Ultra 7 355 or Intel Core Ultra 9 386H	Intel Core Ultra 9 386H, Intel Core Ultra X9 378H or Intel Core Ultra X9 388H
CPU cores
CPU cores	8 or 16	16
CPU threads
CPU threads	8 or 16	16
Graphics
Graphics	Intel Graphics	Intel Graphics or Intel Arc B390 GPU
AI engine (NPU)
AI engine (NPU)	47 TOPS, 49 TOPS or 50 TOPS	50 TOPS
Memory
Memory	16 GB	32 GB (better)
Storage
Storage	512 GB	1 TB to 2 TB (better)
CPU
CPU	Core Ultra 5 325 or Core Ultra 7 355 with 4 P-cores and 4 LP E-cores (12 MB cache); Core Ultra 9 386H with 4 P-cores, 8 E-cores and 4 LP E-cores (18 MB cache)	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	Integrated Intel Graphics	Intel Arc B390 GPU (Core Ultra X7 and X9) or Intel Graphics, integrated
AI engine
AI engine	Copilot+ PC; Intel NPU up to 50 TOPS	Copilot+ PC; Intel NPU up to 50 TOPS
Memory type
Memory type	LPDDR5X on board, 16 GB (UK); 24 GB elsewhere	LPDDR5X on board, 16 or 32 GB, not upgradable
Storage type
Storage type	One M.2 2280 PCIe 4.0 x4 slot; 512 GB NVMe SSD (UK)	One M.2 2280 PCIe 4.0 x4 slot; 512 GB, 1 TB or 2 TB NVMe SSD
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 29 hours	Up to 32 hours
Battery capacity
Battery capacity	70 Wh	99 Wh (better)
Weight
Weight	1.2 kg (better)	1.65 kg
Thickness
Thickness	16.9 mm (better)	23.4 mm
Width × depth
Width × depth	311.2 × 215.8 mm	310.1 × 208.6 mm
Battery life detail
Battery life detail	70 Wh 4-cell Li-ion (50 Wh elsewhere); up to 29+ hr video playback (ASUS test, 3K 120 Hz OLED at 150 nits)	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	68 W USB-C adapter	100 W USB-C adapter; not included in every country
Fast charging
Fast charging	Up to 60% in 49 minutes with a 68 W adapter	60% in 49 minutes
Materials
Materials	Ceraluminum lid and metal chassis	Ceraluminum chassis, hinge and kickstand; MIL-STD-810H tested
Colours
Colours	Komodo Coral; Arctic Blue; Zabriskie Beige	Moher Gray
Connections
Ports
Ports	Thunderbolt 4, USB-C, USB-A, HDMI, headphone jack	2 × Thunderbolt 4, USB-A, HDMI, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 6E	Wi-Fi 7
Bluetooth
Bluetooth	5.4	5.4
Webcam
Webcam	FHD with IR	FHD with IR
Operating system
Operating system	Windows	Windows
Port detail
Port detail	Thunderbolt 4 (40 Gbps, display and power delivery); USB 3.2 Gen 2 Type-C (display and power delivery); USB 3.2 Gen 1 Type-A; 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, 1.7 mm key travel	Detachable Bluetooth keyboard, backlit, 1.7 mm key travel, Copilot key; attaches magnetically to the lower screen with pogo pins
Trackpad
Trackpad	Precision touchpad with smart gestures	ErgoSense precision touchpad on the keyboard
Speakers
Speakers	Dual multi-magnet speakers, Dolby Atmos	Six speakers with dedicated tweeters and woofers, Smart Amp
Microphones
Microphones	Array microphone	Array microphone
Biometrics
Biometrics	IR camera for Windows Hello with privacy shutter	IR camera for Windows Hello
In the box
In the box	–	ASUS Pen with wireless charger in some countries