ASUS Zenbook Duo (2025) vs ASUS Zenbook 14 OLED (UX3405)
Both on the Intel Core Ultra 9 285H, 1.65 vs 1.28 kg. Every spec side by side.
Size and weight
Drawn to the same scale. Base configuration.
Price and overview | ||
| Specification | Zenbook Duo (2025) | Zenbook 14 OLED (UX3405) |
|---|---|---|
| Launch Price (India) | No info (the 2024 UX8406MA launched from ₹1,59,990) | From ₹99,990 (Core Ultra 5 125H, 16GB) / ₹1,44,990 (Core Ultra 9 185H, 32GB, 1TB) |
| Announced | January 2025 | December 2023 |
| Operating System | Windows 11 Home | Windows 11 Home |
| Model Numbers | UX8406CA | UX3405MA, UX3405CA |
Design | ||
| Dimensions | 313.5 x 217.9 x 19.9 mm | 312.4 x 220.1 x 14.9 mm |
| Thickness | 19.9 mm | 14.9 mm |
| Weight | 1.65 kg with keyboard (1.35 kg without) | 1.28 kg |
| Body Material | Not published by ASUS | Aluminium |
| Military Grade | MIL-STD-810H | MIL-STD-810H |
| Colours | Inkwell Gray | Ponder Blue, Foggy Silver |
Display | ||
| Size | Dual 14-inch | 14-inch |
| Resolution | 2880 x 1800 (3K) or 1920 x 1200 (FHD+), each screen | 2880 x 1800 (3K) or 1920 x 1200 (FHD+) |
| Panel Type | OLED | OLED |
| Anti-Glare | No (glossy) | Yes |
| HDR | DisplayHDR True Black 500 | DisplayHDR True Black 500 |
| Refresh Rate | 120 Hz (3K) / 60 Hz (FHD+) | 120 Hz (3K) / 60 Hz (FHD+) |
| Brightness | 400 nits, 500 nits HDR peak | 500 nits HDR peak |
| Colour Gamut | 100% DCI-P3, VESA DisplayHDR True Black 500 | 100% DCI-P3, VESA DisplayHDR True Black 500 |
| Touchscreen | Yes, both screens (stylus support) | Yes (stylus support) |
Performance | ||
| Processor Options | Intel Core Ultra 7 255H / Ultra 9 285H | Intel Core Ultra 7 155H (UX3405MA); Core Ultra 5 225H / Ultra 7 255H / Ultra 9 285H (UX3405CA) |
| Top Processor | Intel Core Ultra 9 285H, 16 cores (6P + 8E + 2LP), 16 threads, up to 5.4 GHz, 24 MB cache | Intel Core Ultra 9 285H, 16 cores (6P + 8E + 2LP), 16 threads, up to 5.4 GHz, 24 MB cache |
| Graphics | Integrated Intel Arc Graphics | Integrated Intel Arc Graphics |
| NPU | Intel AI Boost, up to 13 TOPS | Intel AI Boost, up to 13 TOPS (11 TOPS on Core Ultra 7 155H) |
| RAM Options | 16 GB / 32 GB | 16 GB / 32 GB |
| RAM Type | LPDDR5X | LPDDR5X |
| Max RAM | 32 GB | 32 GB |
| Soldered RAM | Yes | Yes |
| Storage Options | 512 GB / 1 TB / 2 TB | 512 GB / 1 TB |
| Storage Type | PCIe 4.0 NVMe SSD (M.2 2280) | PCIe 4.0 NVMe SSD (M.2 2280) |
| Max Storage | 2 TB | 1 TB |
Battery and charging | ||
| Battery | 75 Wh | 75 Wh |
| Battery Life | Up to 13.5 hours (one screen) | Up to 18+ hours |
| Battery Life (Video) | 13.5 h one screen, 10.5 h dual | Not published by ASUS |
| Charger | 65W USB-C | 65W USB-C |
Ports and wireless | ||
| Thunderbolt | 2x Thunderbolt 4 (USB-C, 40 Gbps, DisplayPort, power delivery) | 2x Thunderbolt 4 (USB-C, 40 Gbps, DisplayPort, power delivery) |
| USB-A | 1x USB-A 3.2 Gen 1 | 1x USB-A 3.2 Gen 1 |
| HDMI | HDMI 2.1 (TMDS) | HDMI 2.1 (TMDS) |
| Headphone Jack | 3.5 mm combo jack | 3.5 mm combo jack |
| Charging Port | USB-C | USB-C |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E (UX3405MA) / Wi-Fi 7 (UX3405CA) |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.3 / 5.4 |
Extras | ||
| Webcam | 1080p | 1080p |
| IR Camera | Yes (Windows Hello) | Yes (Windows Hello) |
| Privacy Shutter | Not published by ASUS | Yes |
| Microphones | Array mics | Array mics |
| Audio Tuning | Smart Amp | Smart Amp, Harman Kardon (UX3405MA) |
| Keyboard Backlight | Not published by ASUS | Yes |
| Numeric Keypad | Not published by ASUS | NumberPad (touchpad) |
| Key Travel | 1.4 mm | 1.4 mm |
| Copilot Key | Yes | Core Ultra 200H models |
| IR Face Unlock | Yes (Windows Hello) | Yes (Windows Hello) |
| Notable Features | Two 14-inch OLED touchscreens, detachable keyboard, built-in kickstand, stylus support | 3K 120 Hz OLED, Thunderbolt 4, NumberPad, fast charging (60% in 49 minutes) |