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 / 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 does not 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 / 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 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
- 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
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.