Dynabook Portégé X40-P vs Samsung Galaxy Book4 Ultra
41.8chipPerformance42.4
—Display38.4
46.7Battery68
72.2Portability62.4
1 spec wins — Dynabook Portégé X40-P4 spec wins — Samsung Galaxy Book4 Ultra
InnoReviews verdict
This one is close to a dead heat: Dynabook Portégé X40-P scores 50.5 against 50.6 for Samsung Galaxy Book4 Ultra. Pick by the categories that matter to you — Samsung Galaxy Book4 Ultra edges ahead in battery and performance, or by price.
Which would you pick?
Key differences
Reasons to pick the Dynabook Portégé X40-P
- Stronger portability score: 72 vs 62
- 23% lower weight: 1.44 kg vs 1.86 kg
- Lower launch price: $1,789 vs $2,400
Reasons to pick the Samsung Galaxy Book4 Ultra
- Stronger battery score: 68 vs 47
- 100% higher storage: 1,024 GB vs 512 GB
- 27% higher capacity: 76 Wh vs 60 Wh
- 14% higher Screen size: 16 ″ vs 14 ″
- 11% lower thickness: 16.5 mm vs 18.6 mm
Display
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Screen size | 14 ″ | 16 ″+14% |
| Panel type | — | Dynamic AMOLED 2X |
| Resolution | 1920x1200 | 2880x1800 |
| Refresh rate | — | 120 Hz |
| Peak brightness | — | 500 nits |
Performance
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Processor | Intel Core Ultra 7 355 | Intel Core Ultra 7 155H |
| Graphics | Intel Graphics | NVIDIA GeForce RTX 4050 Laptop GPU |
| RAM | 16 GB | 16 GB |
| RAM type | DDR5 | LPDDR5X (on-board) |
| Storage | 512 GB | 1,024 GB+100% |
| Storage type | PCIe 4.0 NVMe M.2 SSD | NVMe SSD |
Benchmarks
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Geekbench 6 (single) | — | 2,436Bottom 17% |
| Geekbench 6 (multi) | — | 12,517Bottom 37% |
Battery
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Capacity | 60 Wh | 76 Wh+27% |
| Charging | — | 140 W |
Design
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Weight | 1.44 kg+23% | 1.86 kg |
| Thickness | 18.6 mm | 16.5 mm+11% |
| Material | Aluminum alloy chassis | Aluminum |
Connectivity
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Ports | 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 | 2x Thunderbolt 4, 1x USB-A 3.2, HDMI 2.1, microSD, 3.5mm headphone/mic combo |
| Wi-Fi | Intel Wi-Fi 7 (802.11be) | Wi-Fi 6E |
| Bluetooth | — | 5.3 |
| Webcam | 5MP webcam with privacy shutter (720p HD and 5MP + IR options) | 2MP (1080p) |
| Biometrics | Fingerprint reader and IR face sign-in (optional) | Fingerprint reader |
Software
| Spec | Dynabook Portégé X40-P | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 Home |
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