Acer Swift 14 AI vs ASUS Zenbook S14 (UX5406)
Qualcomm Snapdragon X Elite X1E-78-100 against Intel Core Ultra 9 386H, 14.5-inch vs 14-inch screens, 1.36 vs 1.2 kg. Every spec side by side.


Size and weight
Drawn to the same scale. Base configuration.
Price and overview | ||
| Specification | Swift 14 AI ![]() | Zenbook S14 (UX5406) ![]() |
|---|---|---|
| Launch Price (India) | No info | ₹1,49,990 (Core Ultra 7 258V, 32GB, 1TB) / 2026 UX5406AA refresh from ₹1,79,990 |
| Announced | May 2024 | September 2024 |
| Operating System | Windows 11 Home (Arm64), Copilot+ PC | Windows 11 Home |
| Model Numbers | SF14-11, SF14-11T (touch) | UX5406SA, UX5406AA |
Design | ||
| Dimensions | 322.6 x 225.95 x 17.95 mm | 310.3 x 214.7 x 12.9 mm |
| Thickness | 17.95 mm (10 mm at the front edge) | 12.9 mm |
| Weight | 1.36 kg | 1.20 kg |
| Body Material | Aluminium with PCR plastic | All-metal |
| Lid Material | Not published by Acer | Ceraluminum (ceramic aluminium) |
| Colours | Steel Gray, Iron | Zumaia Gray, Scandinavian White, Antrim Gray |
Display | ||
| Size | 14.5-inch (16:10) | 14-inch |
| Resolution | 2560 x 1600 (WQXGA) | 2880 x 1800 (3K) |
| Panel Type | IPS | OLED |
| Anti-Glare | Yes (matte) | Glossy (anti-glare on 2026 model) |
| HDR | Not published by Acer | True Black 500 (1000 on 2026) |
| Refresh Rate | 120 Hz | 120 Hz |
| Brightness | No info | 500 nits HDR peak (1100 nits HDR peak on UX5406AA) |
| Colour Gamut | 100% sRGB | 100% DCI-P3, VESA DisplayHDR True Black 500 (True Black 1000 on UX5406AA) |
| Touchscreen | Optional (SF14-11T) | Yes (stylus support) |
Performance | ||
| Processor Options | Qualcomm Snapdragon X Plus X1P-64-100 / Snapdragon X Elite X1E-78-100 | Intel Core Ultra 5 226V / Ultra 7 258V (UX5406SA, Lunar Lake); Core Ultra 7 355 / Ultra 9 386H (UX5406AA, Panther Lake) |
| Top Processor | Qualcomm Snapdragon X Elite X1E-78-100, 12 Oryon cores, up to 3.4 GHz | Intel Core Ultra 9 386H, 16 cores, 16 threads, up to 4.9 GHz, 18 MB cache |
| Graphics | Qualcomm Adreno (integrated), up to 3.8 TFLOPS | Integrated Intel Arc Graphics |
| NPU | Qualcomm Hexagon NPU, 45 TOPS | Intel NPU, up to 50 TOPS (40 to 47 TOPS on Lunar Lake models) |
| RAM Options | 16 GB / 32 GB | 16 GB / 32 GB |
| RAM Type | LPDDR5X-8533, dual channel | LPDDR5X |
| Max RAM | Not published by Acer | 32 GB |
| Soldered RAM | Not published by Acer | On package (Lunar Lake model) |
| Storage Options | Up to 1 TB | 512 GB / 1 TB |
| Storage Type | PCIe Gen 4 NVMe SSD | PCIe 4.0 NVMe SSD (M.2 2280) |
| Max Storage | 1 TB | 1 TB |
Battery and charging | ||
| Battery | 75 Wh (3-cell) | 72 Wh (UX5406SA) / 77 Wh (UX5406AA) |
| Battery Life | Up to 26 hours (video) | Up to 27 hours |
| Battery Life (Video) | Up to 26 hours | Not published by ASUS |
| Battery Life (Web) | Up to 18 hours (non-touch) | Not published by ASUS |
| Charger | 65W USB-C, fast charging | 65W USB-C (68W on UX5406AA, 100W USB-C fast charge capable) |
Ports and wireless | ||
| Thunderbolt | None | 2x Thunderbolt 4 (USB-C, 40 Gbps, DisplayPort, power delivery) |
| USB-C | 2x USB4 (USB-C, DisplayPort, charging) | None |
| USB-A | 2x USB-A 3.2 Gen 1 | 1x USB-A 3.2 Gen 2 |
| HDMI | None | HDMI 2.1 (TMDS) |
| Headphone Jack | 3.5 mm audio jack | 3.5 mm combo jack |
| Charging Port | USB-C | USB-C |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.4 (Bluetooth 6.0 on UX5406AA) |
Extras | ||
| Webcam | 1440p | 1080p |
| IR Camera | Yes | Yes (Windows Hello) |
| Privacy Shutter | Yes | Not published by ASUS |
| Webcam Features | PurifiedView 2.0, Studio Effects | Not published by ASUS |
| Speakers | 2 speakers | Not published by ASUS |
| Microphones | 3 mics, PurifiedVoice 2.0 | Array mics |
| Audio Tuning | DTS:X Audio | Smart Amp |
| Keyboard Backlight | Yes | Yes |
| Key Travel | Not published by Acer | 1.1 mm |
| Copilot Key | Yes | Yes |
| Fingerprint Reader | In power key | Not published by ASUS |
| IR Face Unlock | Windows Hello | Yes (Windows Hello) |
| TPM | Discrete TPM | Not published by ASUS |
| Notable Features | Acer's first Copilot+ PC, Recall, Cocreator and Live Captions, Acer User Sensing | Copilot+ PC, Ceraluminum lid, 3K 120 Hz OLED touchscreen, 1.2 kg |