ASUS Zenbook 14 OLED (UM3406) vs Dynabook Portégé X40-P
40Performancespec-basedchip41.8
53.6chipGraphicschip55.7
29.8Displayspec-based—
66.7Batteryspec-based46.7
82Portabilityspec-based72.2
3 spec wins — ASUS Zenbook 14 OLED (UM3406)0 spec wins — Dynabook Portégé X40-P
InnoReviews verdict
This one is close to a dead heat: ASUS Zenbook 14 OLED (UM3406) scores 51.2 against 51.4 for Dynabook Portégé X40-P. Pick by the categories that matter to you — Dynabook Portégé X40-P edges ahead in graphics, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenbook 14 OLED (UM3406)
- 25% higher capacity: 75 Wh vs 60 Wh
- 20% lower thickness: 14.9 mm vs 18.6 mm
- 11% lower weight: 1.28 kg vs 1.44 kg
- Lower launch price: $850 vs $1,789
Reasons to pick the Dynabook Portégé X40-P
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| Screen size | 14 ″ | 14 ″ |
| Panel type | OLED touchscreen (100% DCI-P3, VESA HDR True Black 500) | — |
| Resolution | 1920x1200 | 1920x1200 |
| Refresh rate | 60 Hz | — |
| Peak brightness | 500 nits | — |
Performance
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| Processor | AMD Ryzen 7 8840HS | Intel Core Ultra 7 355 |
| Graphics | AMD Radeon 780M | Intel Graphics |
| RAM | 16 GB | 16 GB |
| RAM type | LPDDR5X-7467 (soldered) | DDR5 |
| Storage | 512 GB | 512 GB |
| Storage type | M.2 NVMe PCIe 4.0 SSD | PCIe 4.0 NVMe M.2 SSD |
Benchmarks
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| Geekbench 6 (single) | 2,552Bottom 25% | — |
| Geekbench 6 (multi) | 11,279Bottom 27% | — |
Battery
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| Capacity | 75 Wh+25% | 60 Wh |
| Charging | 65 W | — |
Design
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| Weight | 1.28 kg+11% | 1.44 kg |
| Thickness | 14.9 mm+20% | 18.6 mm |
| Material | All-metal chassis (MIL-STD-810H tested) | Aluminum alloy chassis |
Connectivity
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| 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 | 2x USB-C with Thunderbolt 4, 2x USB 3.2 Gen 1 Type-A, HDMI, RJ-45 Ethernet, headset combo jack, microSD card slot, security lock slot |
| Wi-Fi | Wi-Fi 6E (802.11ax) | Intel Wi-Fi 7 (802.11be) |
| Bluetooth | 5.2 | — |
| Webcam | 1080p FHD IR camera with privacy shutter | 5MP webcam with privacy shutter (720p HD and 5MP + IR options) |
| Biometrics | Windows Hello IR face recognition | Fingerprint reader and IR face sign-in (optional) |
Software
| Spec | ASUS Zenbook 14 OLED (UM3406) | Dynabook Portégé X40-P |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Pro |
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