ASUS ROG Ally X vs Samsung Galaxy Book4 Ultra
The Verdict
ASUS ROG Ally X and Samsung Galaxy Book4 Ultra serve entirely different purposes, making direct comparison challenging. Ally X is a handheld gaming device with a 7-inch 1920x1080 120Hz IPS display, AMD Ryzen Z1 Extreme processor, 24GB RAM, and 80Wh battery delivering 3-10 hours depending on gaming intensity. Galaxy Book4 Ultra is a premium 16-inch laptop featuring Intel Core Ultra 9 185H, 16GB RAM, stunning 2880x1800 120Hz Dynamic AMOLED display, and 13-hour battery life. Ally X excels at portable gaming with superior RAM and gaming-specific architecture, while Galaxy Book4 Ultra dominates productivity with larger screen real estate, better speakers, and all-day battery. Price difference is significant: $799 versus $2,399. For gaming on-the-go, Ally X wins decisively. For professional work and multimedia consumption, Galaxy Book4 Ultra is superior. Choose based on primary use case rather than direct specs.
Who Should Buy
Buy the ASUS ROG Ally X if…
- →Massive 80 Wh battery doubles the Ally's endurance to 3-10 hours
- →24 GB LPDDR5x RAM is generous for gaming and multitasking
- →1 TB SSD is double the original — more room for games
Buy the Samsung Galaxy Book4 Ultra if…
- →Stunning 3K AMOLED 120Hz display with deep colors
- →Includes NVIDIA RTX 4050 or 4070 discrete GPU
- →Surprisingly thin and light for a 16-inch with dGPU
Category Scores
Pros & Cons
ASUS ROG Ally X
Pros
- Massive 80 Wh battery doubles the Ally's endurance to 3-10 hours
- 24 GB LPDDR5x RAM is generous for gaming and multitasking
- 1 TB SSD is double the original — more room for games
- Two USB-C ports allow charging while connecting accessories
- Improved ergonomic grips and button layout over original Ally
Cons
- Heavier at 678 g due to the larger battery
- Same Z1 Extreme chip — no generational performance leap
- Removed microSD slot compared to original ROG Ally
- IPS LCD still lacks OLED contrast and HDR capability
- $799 puts it close to full laptop pricing territory
Samsung Galaxy Book4 Ultra
Pros
- Stunning 3K AMOLED 120Hz display with deep colors
- Includes NVIDIA RTX 4050 or 4070 discrete GPU
- Surprisingly thin and light for a 16-inch with dGPU
- Tight integration with Samsung Galaxy ecosystem
Cons
- Premium pricing rivals workstation laptops
- Soldered RAM, only storage is upgradable
- Speakers underwhelming versus MacBook competitors
- Touchpad palm rejection occasionally inconsistent
Full Specifications
| Spec | ASUS ROG Ally X | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Software | Windows 11 | Windows 11 Home |
| Body | ||
| Weight | 678 g | 1.86 kg |
| Material | Plastic chassis with improved ergonomics | Aluminum |
| Dimensions | 280.0 x 114.0 x 36.9 mm | 355.4 x 250.4 x 16.5 mm |
| Ports | ||
| USB-C ports | 2 | 2 |
| Microsd | — | |
| Headphone Jack | — | |
| HDMI | — | 1 |
| USB-A ports | — | 1 |
| SD card | — | |
| Thunderbolt ports | — | 2 |
| Memory | ||
| Storage options | 1 TB PCIe Gen 4 NVMe SSD | — |
| Battery | ||
| Battery life | 3-10 hours (game dependent) | Up to 13 hours |
| Capacity | 80 Wh | 76 Wh |
| Display | ||
| Size | 7 inches | 16 inches |
| Type | IPS LCD | Dynamic AMOLED 2X touchscreen |
| Resolution | 1920 x 1080 | 2880 x 1800 |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 500 | 400 |
| Processor | ||
| RAM | 24 GB LPDDR5x (7500 MT/s) | 16 GB LPDDR5X |
| Cores | 8-core CPU, RDNA 3 (12 CUs) integrated GPU | 16 cores |
| Chipset | AMD Ryzen Z1 Extreme (Zen 4, 8-core / 16-thread, up to 5.1 GHz) | Intel Core Ultra 9 185H |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | — |
| Bluetooth | 5.2 | — |
| Storage | ||
| SSD | — | 1 TB |
| Expandable storage | — | |
| Keyboard | ||
| Backlit | — | |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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