Device comparison
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Full specifications
Every available group and stored value, aligned by field.
PERFORMANCE3 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Memory Bandwidth | — | About 120 GB/s (LPDDR5X-7467) (speed at which data moves between chip and memory) |
| Neural Engine | Intel NPU up to 50 TOPS | Intel AI Boost NPU, about 11 TOPS (AI & machine learning) (accelerates on-device AI tasks) |
| Processor | Intel Core Ultra 9 386H (16 cores/16 threads, up to 4.9 GHz); option: Core Ultra 7 356H (16 cores/16 threads, up to 4.7 GHz) | Intel Core Ultra 7 155H (Meteor Lake, up to 45 W) CPU: 16-core / 22-thread, up to 4.8 GHz; Core Ultra 9 185H option (balances power and battery efficiency) GPU: NVIDIA GeForce RTX 4050 6 GB, RTX 4060 8 GB or RTX 4070 8 GB plus Intel Arc Graphics (handles graphics and creative workloads) |
LAUNCH DATE3 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Announced | Announcement date not recorded | Announcement date not recorded |
| Released | 7 April 2026 (US) | February 2024 |
| Status | Available | Discontinued (2025) |
DISPLAY6 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Brightness | 500 nits, 1100 nits HDR peak | Up to 500 nits typical (400 nits OLED) |
| Color | 100% DCI-P3 | 100% sRGB (FHD+) or 100% DCI-P3 (OLED) color |
| Refresh Rate | 120 Hz (3K); 60 Hz (WUXGA) | Up to 120 Hz (screen refresh speed) |
| Resolution | 2880 x 1800 (3K) 16:10; 1920 x 1200 (WUXGA) option | 1920 × 1200 pixels; optional 3840 × 2400 OLED (total screen pixel count) |
| Size | 14-inch | 16.3-inch (Diagonal) |
| Type | OLED touchscreen with stylus support, VESA DisplayHDR True Black 1000; WUXGA OLED option | InfinityEdge 16:10 display; FHD+ 120 Hz IPS or 4K+ OLED touch (high-resolution panel with four thin bezels) |
ADDITIONAL INFORMATION2 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Launch Price (USD) | $1,899.99 (reference only — see Price in Nigeria above for the actual retail price) | $1,899.00 (reference only — see Price in Nigeria above for the actual retail price) |
| Price in Nigeria | ₦2,660,000 (Stored estimate) | ₦2,659,000 (Stored estimate) |
OVERVIEW5 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Chip | Intel Core Ultra 9 386H or Core Ultra 7 356H with integrated Intel Graphics | Intel Core Ultra 7 155H (16-core) with NVIDIA GeForce RTX 4050 6 GB; Core Ultra 9 185H with RTX 4060 / RTX 4070 8 GB options (handles all processing and graphics tasks) |
| Manufacturer | ASUS | Dell |
| Model | ASUS Zenbook S 14 UX5406AA (2026) | Dell XPS 16 9640 (2024) |
| Operating System | Windows 11 Home (Pro on select SKUs) | Windows 11 Home |
| Release Year | 2026 | 2024 |
BODY AND BUILD3 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Colors | Antrim Gray, Scandinavian White | Graphite or Platinum (official factory color options) |
| Material | Ceraluminum | CNC-machined aluminum with Gorilla Glass 3 palm rest (premium chassis for durability) |
| Weight | 1.20 kg | 2.13 kg (non-touch) / 2.2 kg (OLED) (varies by configuration) |
MEMORY AND STORAGE3 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| RAM | 32GB LPDDR5X on package; not upgradeable | Standard: 16 GB LPDDR5X 7467 MHz (soldered); 32 GB or 64 GB configurations (higher multitasking capability) |
| Storage | 1TB | SSD Options: 512 GB / 1 TB / 2 TB / 4 TB (varies by model) (internal file and app storage) |
| Storage Type | M.2 NVMe PCIe 4.0 SSD | SSD (PCIe NVMe M.2) (fast solid-state storage technology) |
PORTS AND CONNECTIVITY1 field
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Ports and connectivity | 2x Thunderbolt 4 (40Gbps, display/power delivery), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1 TMDS, 1x 3.5mm combo audio jack; Wi-Fi 7 (802.11be) triple band 2x2, Bluetooth 6.0 | 3 × Thunderbolt 4 (USB-C), full-size SD card reader, 3.5 mm headset jack, Wi-Fi 6E, Bluetooth 5.3. |
BATTERY AND CHARGING3 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Battery Life | Up to 27 hours video playback (ASUS claim); 77 Wh | Up to 19 hours (Dell-rated, FHD+ model) with 99.5 Wh battery (manufacturer endurance figure) |
| Battery Type | 77 Wh, 4-cell Li-ion | Built-in lithium-ion polymer battery (non-removable internal battery) |
| Charging | 68W USB Type-C adapter; fast charge to 60% in 49 minutes | 130 W USB-C charger with ExpressCharge (supported charging methods) |
AUDIO AND WEBCAM3 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Microphones | Built-in array microphone | Dual-array microphones with AI noise reduction (improves voice clarity and noise reduction) |
| Speakers | 4-speaker system with Smart Amp, Dolby Atmos | Quad speakers, 8 W total (enhanced audio output for media) |
| Webcam | FHD IR camera with Windows Hello | 1080p FHD webcam with IR Windows Hello (sharper video calls) |
SOFTWARE AND EXTRAS4 fields
| Specification | Zenbook S 14 UX5406AA (2026) | XPS 16 9640 (2024) |
|---|---|---|
| Keyboard | Backlit chiclet keyboard, 1.1mm key travel, Copilot key | Backlit zero-lattice keyboard with capacitive touch function row (illuminated keys, edge-to-edge design) |
| Operating System | Windows 11 Home (Pro on select SKUs) | Windows (latest supported version) (preinstalled Microsoft software platform) |
| Security | Firmware TPM, Microsoft Pluton, IR face login (Windows Hello) | Fingerprint reader in the power button and Windows Hello IR camera, TPM 2.0 (biometric authentication method) |
| Trackpad | Precision touchpad | Seamless haptic glass touchpad (invisible, pressure-sensitive navigation surface) |