ASUS Zenbook DUO (2026) UX8407AA vs TUXEDO Stellaris 16 Gen8 (Intel)
62.1Performancespec-basedchip62.9
72.5chipGraphics92.6
58.1Displayspec-based64.1
92.1Batteryspec-based98.7
59.4Portabilityspec-based24.5
5 spec wins — ASUS Zenbook DUO (2026) UX8407AA3 spec wins — TUXEDO Stellaris 16 Gen8 (Intel)
InnoReviews verdict
This one is close to a dead heat: ASUS Zenbook DUO (2026) UX8407AA scores 67.9 against 67.9 for TUXEDO Stellaris 16 Gen8 (Intel). Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenbook DUO (2026) UX8407AA
- 310% higher storage: 2,048 GB vs 500 GB
- 100% higher Peak brightness: 1,000 nits vs 500 nits
- 100% higher RAM: 32 GB vs 16 GB
- 38% lower weight: 1.65 kg vs 2.65 kg
- 16% lower thickness: 23.4 mm vs 28 mm
Reasons to pick the TUXEDO Stellaris 16 Gen8 (Intel)
- Stronger graphics score: 93 vs 73
- 230% higher charging: 330 W vs 100 W
- 108% higher Refresh rate: 300 Hz vs 144 Hz
- 14% higher Screen size: 16 ″ vs 14 ″
Display
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Screen size | 14 ″ | 16 ″+14% |
| Panel type | OLED (dual ASUS Lumina Pro touchscreens, 100% DCI-P3) | IPS-type LED, matte (Mini-LED and OLED options) |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 144 Hz | 300 Hz+108% |
| Peak brightness | 1,000 nits+100% | 500 nits |
Performance
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Processor | Intel Core Ultra X9 388H | Intel Core Ultra 9 290HX Plus |
| Graphics | Intel Arc B390 (12 Xe3 cores, integrated) | NVIDIA GeForce RTX 5070 Ti Laptop GPU (12 GB GDDR7) |
| RAM | 32 GB+100% | 16 GB |
| RAM type | LPDDR5X-9600 (soldered) | DDR5-5600 SO-DIMM |
| Storage | 2,048 GB+310% | 500 GB |
| Storage type | M.2 2280 NVMe PCIe 4.0 SSD | PCIe 4.0 NVMe M.2 SSD |
Benchmarks
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Geekbench 6 (single) | 3,020Top 21% | — |
| Geekbench 6 (multi) | 17,694Top 21% | — |
| 3DMark Time Spy Graphics (GPU) | — | 17,434Top 21% |
Battery
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Capacity | 99 Wh | 99 Wh |
| Web browsing endurance | 17 h | — |
| Charging | 100 W | 330 W+230% |
Design
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Weight | 1.65 kg+38% | 2.65 kg |
| Thickness | 23.4 mm+16% | 28 mm |
| Material | Ceraluminum | Aluminum lid, base and bottom case; plastic display frame |
Connectivity
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Ports | 2x Thunderbolt 4 (40Gbps, display and power delivery), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1 FRL, 3.5mm combo audio jack | Thunderbolt 4 / USB4 (DisplayPort 2.1, 140W Power Delivery in), USB-C 3.2 Gen2 (10Gbps, DisplayPort 1.4a, 100W Power Delivery in), 3x USB-A 3.2 Gen1, HDMI 2.1, Mini DisplayPort 2.1, SD UHS-II card reader, 2.5Gbit LAN, 3.5mm 2-in-1 audio jack, Kensington lock |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 6E (Intel AX211); Wi-Fi 7 (Intel BE200) optional |
| Bluetooth | 5.4 | 5.3 (5.4 with the optional Wi-Fi 7 card) |
| Webcam | FHD with IR | 1080p FHD webcam with microphone and privacy shutter |
| Biometrics | IR face (Windows Hello) | Face recognition (Windows Hello compatible camera) |
Software
| Spec | ASUS Zenbook DUO (2026) UX8407AA | TUXEDO Stellaris 16 Gen8 (Intel) |
|---|---|---|
| Operating system | Windows 11 Home or Pro | TUXEDO OS or Ubuntu LTS preinstalled; Windows 11 Home or Pro optional |
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