ASUS Zenbook 14 OLED (UM3406) vs Dell XPS 16 (9640)
40Performance42.4
29.8Display38.4
66.7Battery99.3
82Portability51.3
3 spec wins — ASUS Zenbook 14 OLED (UM3406)5 spec wins — Dell XPS 16 (9640)
InnoReviews verdict
Dell XPS 16 (9640) wins this laptop face-off, 55.5 to 50.9, pulling ahead mainly in battery (+33) and display (+9). ASUS Zenbook 14 OLED (UM3406) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenbook 14 OLED (UM3406)
- Stronger portability score: 82 vs 51
- 40% lower weight: 1.28 kg vs 2.13 kg
- 20% lower thickness: 14.9 mm vs 18.7 mm
- Lower launch price: $850 vs $1,899
Reasons to pick the Dell XPS 16 (9640)
- Stronger display score: 38 vs 30
- Stronger battery score: 99 vs 67
- 100% higher Refresh rate: 120 Hz vs 60 Hz
- 100% higher charging: 130 W vs 65 W
- 33% higher capacity: 100 Wh vs 75 Wh
Display
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Screen size | 14 ″ | 16.3 ″+16% |
| Panel type | OLED touchscreen (100% DCI-P3, VESA HDR True Black 500) | IPS (4K OLED touch optional) |
| Resolution | 1920x1200 | 1920x1200 |
| Refresh rate | 60 Hz | 120 Hz+100% |
| Peak brightness | 500 nits | 500 nits |
Performance
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Processor | AMD Ryzen 7 8840HS | Intel Core Ultra 7 155H |
| Graphics | AMD Radeon 780M | Intel Arc (RTX 4050/4060/4070 optional) |
| RAM | 16 GB | 16 GB |
| RAM type | LPDDR5X-7467 (soldered) | LPDDR5X-6400 (soldered) |
| Storage | 512 GB | 512 GB |
| Storage type | M.2 NVMe PCIe 4.0 SSD | PCIe 4.0 NVMe SSD |
Benchmarks
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Geekbench 6 (single) | 2,552+6%Bottom 37% | 2,418Bottom 22% |
| Geekbench 6 (multi) | 11,279Bottom 21% | 13,656+21%Top 47% |
Battery
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Capacity | 75 Wh | 100 Wh+33% |
| Charging | 65 W | 130 W+100% |
Design
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Weight | 1.28 kg+40% | 2.13 kg |
| Thickness | 14.9 mm+20% | 18.7 mm |
| Material | All-metal chassis (MIL-STD-810H tested) | CNC aluminum |
Connectivity
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Ports | 1x USB4 (40Gbps, DisplayPort/PD), 1x USB 3.2 Gen 2 Type-C (DisplayPort/PD), 1x USB 3.2 Gen 1 Type-A, 1x HDMI 2.1, 3.5mm combo audio jack | 3x Thunderbolt 4, microSD, 3.5mm |
| Wi-Fi | Wi-Fi 6E (802.11ax) | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| Webcam | 1080p FHD IR camera with privacy shutter | 1080p + IR |
| Biometrics | Windows Hello IR face recognition | Fingerprint reader (power button), IR face (Windows Hello) |
Software
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dell XPS 16 (9640) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
Related comparisons
ASUS Zenbook 14 OLED (UM3406)vs ASUS Zenbook DUO (2024) UX8406VSASUS Zenbook 14 OLED (UM3406)vs Samsung Galaxy Book5 Pro 14VSASUS Zenbook 14 OLED (UM3406)vs Samsung Galaxy Book5 Pro 360VSASUS Zenbook 14 OLED (UM3406)vs HP OmniBook X 14VSDell XPS 16 (9640)vs ASUS TUF Gaming 16 (2026)VSDell XPS 16 (9640)vs Dell XPS 13 (9350)VSDell XPS 16 (9640)vs Dell XPS 16 (2026)VSDell XPS 16 (9640)vs Microsoft Surface Laptop 13.8-inch (8th Edition)VS