ASUS ROG Ally X vs MSI Katana 15
The Verdict
Comparing these products requires recognizing they serve fundamentally different purposes. ASUS ROG Ally X is a handheld gaming device with a 7-inch 120Hz display, 24GB RAM, AMD Ryzen Z1 Extreme processor, and 1TB storage, delivering 3-10 hours of gaming depending on title intensity. MSI Katana 15 is a traditional 15.6-inch laptop weighing 2.25kg, featuring Intel Core i7-13620H, 16GB DDR5 RAM, 512GB storage, and 144Hz display but only 5 hours battery life. Ally X excels at portable gaming with superior processor, RAM, and storage, while Katana 15 offers larger screen real estate and traditional laptop productivity. Neither directly competes with the other. Choose Ally X for mobile gaming and emulation, Katana 15 for work and casual gaming at a desk. Ally X represents better value for handheld enthusiasts.
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 MSI Katana 15 if…
- →RTX 4060 Laptop GPU at $899 is strong budget gaming value
- →144Hz FHD display is smooth for competitive gaming
- →13th-gen i7 processor handles gaming and productivity workloads
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
MSI Katana 15
Pros
- RTX 4060 Laptop GPU at $899 is strong budget gaming value
- 144Hz FHD display is smooth for competitive gaming
- 13th-gen i7 processor handles gaming and productivity workloads
- Expandable M.2 slot allows adding more storage
- Lightweight for a gaming laptop at under 5 lbs
Cons
- 250-nit display is dim and washes out in bright rooms
- 53.5 Wh battery means only 3-4 hours of real-world use
- All-plastic build quality feels budget-tier
- Single-channel RAM out of the box — needs second DIMM for best performance
- Keyboard lacks per-key RGB — single-zone backlight only
Full Specifications
| Spec | ASUS ROG Ally X | MSI Katana 15 |
|---|---|---|
| Software | Windows 11 | Windows 11 Home |
| Body | ||
| Weight | 678 g | 4.96 lbs (2.25 kg) |
| Material | Plastic chassis with improved ergonomics | Plastic |
| Dimensions | 280.0 x 114.0 x 36.9 mm | 14.09 x 9.95 x 0.94 inches |
| Ports | ||
| USB-C ports | 2 | 1 |
| Microsd | — | |
| Headphone Jack | — | |
| HDMI | — | |
| USB-A ports | — | 2 |
| SD card | — | |
| Memory | ||
| Storage options | 1 TB PCIe Gen 4 NVMe SSD | — |
| Battery | ||
| Battery life | 3-10 hours (game dependent) | Up to 5 hours |
| Capacity | 80 Wh | 53.5 Wh |
| Display | ||
| Size | 7 inches | 15.6 inches |
| Type | IPS LCD | IPS |
| Resolution | 1920 x 1080 | 1920 x 1080 |
| Refresh rate | 120Hz | 144Hz |
| Brightness (nits) | 500 | 250 |
| Processor | ||
| RAM | 24 GB LPDDR5x (7500 MT/s) | 16 GB DDR5 |
| Cores | 8-core CPU, RDNA 3 (12 CUs) integrated GPU | 10 cores (6P + 4E) |
| Chipset | AMD Ryzen Z1 Extreme (Zen 4, 8-core / 16-thread, up to 5.1 GHz) | Intel Core i7-13620H (13th Gen) |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | — |
| Bluetooth | 5.2 | — |
| Storage | ||
| SSD | — | 512 GB PCIe Gen 4 NVMe |
| Expandable storage | — | |
| Keyboard | ||
| Backlit | — | |
Related Comparisons
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.
Explore more in laptops, see all ASUS products or all MSI products. View full details for the ASUS ROG Ally X or the MSI Katana 15.