Between the ROG Ally Z1 and PlayStation 5 Slim, the ROG Ally Z1 comes out ahead in several specs, while the PlayStation 5 Slim wins on storage and disc drive. Overall, the ROG Ally Z1 scores 60.7 and the PlayStation 5 Slim scores 65.1 on our Mars Score.
Which should you buy?
The PlayStation 5 Slim edges ahead on the Mars Score (60.7 vs 65.1), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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 PlayStation 5 Slim if you care most about storage and disc drive. Its strongest claims are storage, disc drive, vr support, among others.
Both ship with comparable ram, max refresh, ray tracing, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why ASUS - ROG Ally Z1 wins
- No decisive advantages.
Why Sony - PlayStation 5 Slim wins
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
- ▲Has Disc drive.
- ▲Has VR support.
- ▲Max resolution: 8K (vs 1080p).
Spec comparison
Performance
Storage
| Spec | ASUS - ROG Ally Z1 | Sony - PlayStation 5 Slim |
|---|---|---|
| Storageⓘ | 512 GB | 1024 GBlead |
| Storage typeⓘ | NVMe SSD | NVMe SSD |
| Expandable storage | true | true |
Design & I/O
| Spec | ASUS - ROG Ally Z1 | Sony - PlayStation 5 Slim |
|---|---|---|
| Disc drive | false | truelead |
| HDMIⓘ | 0 | 2.1lead |
| USB ports | 1 | 4lead |
| Weight | 0.608 kglead | 3.2 kg |
| VR support | false | truelead |
Frequently asked
Does ROG Ally Z1 or PlayStation 5 Slim have a disc drive?+
PlayStation 5 Slim has a disc drive; ROG Ally Z1 is digital-only.
Which has more storage, ROG Ally Z1 or PlayStation 5 Slim?+
PlayStation 5 Slim ships with 1024GB of NVMe SSD.
Which supports higher refresh rates, ROG Ally Z1 or PlayStation 5 Slim?+
PlayStation 5 Slim supports up to 120Hz vs 120Hz.
Spec-level deep dives
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