Between the ROG Ally Z1 and Xbox Series X 2TB, the ROG Ally Z1 comes out ahead in several specs, while the Xbox Series X 2TB wins on storage and disc drive. Overall, the ROG Ally Z1 scores 60.7 and the Xbox Series X 2TB scores 73.7 on our Mars Score.
Which should you buy?
The Xbox Series X 2TB is the clear pick on raw spec strength, leading by 13.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
The ROG Ally Z1 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the Xbox Series X 2TB if you care most about storage and disc drive. Its strongest claims are storage, disc drive, max resolution.
Both ship with comparable ram, max refresh, ray tracing, so those specs don't separate the two — focus on the differences below.
Bottom line: the Xbox Series X 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why ASUS - ROG Ally Z1 wins
- No decisive advantages.
Why Microsoft - Xbox Series X 2TB wins
- ▲Storage — 300.00% more. 2048 GB vs 512 GB.
- ▲Has Disc drive.
- ▲Max resolution: 8K (vs 1080p).
Spec comparison
Performance
Storage
| Spec | ASUS - ROG Ally Z1 | Microsoft - Xbox Series X 2TB |
|---|---|---|
| Storageⓘ | 512 GB | 2048 GBlead |
| Storage typeⓘ | NVMe SSD | NVMe SSD |
| Expandable storage | true | true |
Design & I/O
| Spec | ASUS - ROG Ally Z1 | Microsoft - Xbox Series X 2TB |
|---|---|---|
| Disc drive | false | truelead |
| HDMIⓘ | 0 | 2.1lead |
| USB ports | 1 | 3lead |
| Weight | 0.608 kglead | 4.45 kg |
| VR support | false | false |
Frequently asked
Does ROG Ally Z1 or Xbox Series X 2TB have a disc drive?+
Xbox Series X 2TB has a disc drive; ROG Ally Z1 is digital-only.
Which has more storage, ROG Ally Z1 or Xbox Series X 2TB?+
Xbox Series X 2TB ships with 2048GB of NVMe SSD.
Which supports higher refresh rates, ROG Ally Z1 or Xbox Series X 2TB?+
Xbox Series X 2TB supports up to 120Hz vs 120Hz.
Spec-level deep dives
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