Between the ROG Ally Z1 and Xbox Series S 1TB, the ROG Ally Z1 comes out ahead in ram, while the Xbox Series S 1TB wins on storage / max resolution. Overall, the ROG Ally Z1 scores 60.7 and the Xbox Series S 1TB scores 60.7 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
Pick the ROG Ally Z1 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are ram.
Pick the Xbox Series S 1TB if you care most about storage / max resolution. Its strongest claims are storage, max resolution.
Both ship with comparable max refresh, ray tracing, disc drive, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Why ASUS - ROG Ally Z1 wins
- ▲RAM — 60.00% more. 16 GB vs 10 GB.
Why Microsoft - Xbox Series S 1TB wins
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
- ▲Max resolution: 4K (vs 1080p).
Spec comparison
Performance
Storage
| Spec | ASUS - ROG Ally Z1 | Microsoft - Xbox Series S 1TB |
|---|---|---|
| Storageⓘ | 512 GB | 1024 GBlead |
| Storage typeⓘ | NVMe SSD | NVMe SSD |
| Expandable storage | true | true |
Design & I/O
| Spec | ASUS - ROG Ally Z1 | Microsoft - Xbox Series S 1TB |
|---|---|---|
| Disc drive | false | false |
| HDMIⓘ | 0 | 2.1lead |
| USB ports | 1 | 3lead |
| Weight | 0.608 kglead | 1.93 kg |
| VR support | false | false |
Frequently asked
Does ROG Ally Z1 or Xbox Series S 1TB have a disc drive?+
Neither has a disc drive.
Which has more storage, ROG Ally Z1 or Xbox Series S 1TB?+
Xbox Series S 1TB ships with 1024GB of NVMe SSD.
Which supports higher refresh rates, ROG Ally Z1 or Xbox Series S 1TB?+
Xbox Series S 1TB supports up to 120Hz vs 120Hz.
Spec-level deep dives
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