ASUS ExpertBook Ultra (B9406) vs ASUS Zenbook DUO (2026) UX8407AA
57Performancespec-based62.1
73chipGraphicschip72.5
67.8Displayspec-based58.1
60Batteryspec-based92.1
92.5Portabilityspec-based59.4
3 spec wins — ASUS ExpertBook Ultra (B9406)6 spec wins — ASUS Zenbook DUO (2026) UX8407AA
InnoReviews verdict
This one is close to a dead heat: ASUS ExpertBook Ultra (B9406) scores 67.6 against 67.9 for ASUS Zenbook DUO (2026) UX8407AA. Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS ExpertBook Ultra (B9406)
- 53% lower thickness: 10.9 mm vs 23.4 mm
- 40% higher Peak brightness: 1,400 nits vs 1,000 nits
- 33% lower weight: 1.11 kg vs 1.65 kg
Reasons to pick the ASUS Zenbook DUO (2026) UX8407AA
- 100% higher storage: 2,048 GB vs 1,024 GB
- 41% higher capacity: 99 Wh vs 70 Wh
- 20% higher Refresh rate: 144 Hz vs 120 Hz
- 11% higher charging: 100 W vs 90 W
- Lower launch price: $2,500 vs $3,600
Display
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Screen size | 14 ″ | 14 ″ |
| Panel type | Tandem OLED touchscreen (matte, 100% DCI-P3) | OLED (dual ASUS Lumina Pro touchscreens, 100% DCI-P3) |
| Resolution | 2880x1800 | 2880x1800 |
| Refresh rate | 120 Hz | 144 Hz+20% |
| Peak brightness | 1,400 nits+40% | 1,000 nits |
Performance
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Processor | Intel Core Ultra X7 358H | Intel Core Ultra X9 388H |
| Graphics | Intel Arc B390 (integrated, 12 Xe3 cores) | Intel Arc B390 (12 Xe3 cores, integrated) |
| RAM | 32 GB | 32 GB |
| RAM type | LPDDR5X-8533 (soldered) | LPDDR5X-9600 (soldered) |
| Storage | 1,024 GB | 2,048 GB+100% |
| Storage type | M.2 2280 NVMe PCIe 4.0 SSD | M.2 2280 NVMe PCIe 4.0 SSD |
Benchmarks
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Geekbench 6 (single) | 2,836Top 48% | 3,020+6%Top 21% |
| Geekbench 6 (multi) | 16,674Top 29% | 17,694+6%Top 21% |
Battery
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Capacity | 70 Wh | 99 Wh+41% |
| Web browsing endurance | — | 17 h |
| Charging | 90 W | 100 W+11% |
Design
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Weight | 1.11 kg+33% | 1.65 kg |
| Thickness | 10.9 mm+53% | 23.4 mm |
| Material | Magnesium-aluminum alloy (CNC, Nano Ceramic finish) | Ceraluminum |
Connectivity
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Ports | 2x Thunderbolt 4 (USB4 40Gbps, display and power delivery), 2x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1 (TMDS), 3.5mm combo audio jack | 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 |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 (802.11be) |
| Bluetooth | 6.0 | 5.4 |
| Webcam | 1080p FHD with IR and privacy shutter | FHD with IR |
| Biometrics | IR camera for Windows Hello face login, fingerprint sensor | IR face (Windows Hello) |
Software
| Spec | ASUS ExpertBook Ultra (B9406) | ASUS Zenbook DUO (2026) UX8407AA |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 Home or Pro |
Related comparisons
ASUS ExpertBook Ultra (B9406)vs ASUS ROG Zephyrus G16 (2025) GU605VSASUS ExpertBook Ultra (B9406)vs HP OmniBook Ultra 16 (RTX Spark)VSASUS ExpertBook Ultra (B9406)vs Lenovo IdeaPad Pro 5i Gen 11 (16IPH11)VSASUS ExpertBook Ultra (B9406)vs TUXEDO Stellaris 16 Gen8 (Intel)VSASUS Zenbook DUO (2026) UX8407AAvs TUXEDO Stellaris 16 Gen8 (Intel)VSASUS Zenbook DUO (2026) UX8407AAvs Alienware 18 Area-51VSASUS Zenbook DUO (2026) UX8407AAvs Apple MacBook Pro 16 (M3 Max)VSASUS Zenbook DUO (2026) UX8407AAvs ASUS ROG Zephyrus G16 (2025) GU605VS