Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Lenovo - Legion Go S | ASUS - ROG Ally Z1 Extreme |
|---|---|---|
| Storage | 1024 GB | 512 GB |
Between the Legion Go S and ROG Ally Z1 Extreme, the Legion Go S comes out ahead in storage, while the ROG Ally Z1 Extreme wins on several specs. Overall, the Legion Go S scores 59.2 and the ROG Ally Z1 Extreme scores 54.6 on our Mars Score.
Which should you buy?
The Legion Go S edges ahead on the Mars Score (59.2 vs 54.6), but the 4.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Legion Go S if you care most about storage. The biggest gaps in its favor are storage. The single most decisive one: Storage — 100.00% more. 1024 GB vs 512 GB.
The ROG Ally Z1 Extreme similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable ram, max resolution, max refresh, 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.
Which should you buy: Lenovo - Legion Go S or ASUS - ROG Ally Z1 Extreme?
Lenovo - Legion Go S leads the current Mars Score by 4.6 points.The more useful decision is the trade-off behind that result: compare storage against the way you will actually use the product.
Choose Lenovo - Legion Go S if…
Lenovo - Legion Go S has the measurable edge on storage gb.
Choose ASUS - ROG Ally Z1 Extreme if…
ASUS - ROG Ally Z1 Extreme does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Lenovo - Legion Go S wins
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
Why ASUS - ROG Ally Z1 Extreme wins
- No decisive advantages.
Spec comparison
Performance
| Spec | Lenovo - Legion Go S | ASUS - ROG Ally Z1 Extreme |
|---|---|---|
| CPU | AMD Ryzen Z2 Go | AMD Ryzen Z1 Extreme |
| GPU | AMD RDNA 3 (~6 TFLOPS) | AMD RDNA 3 (~8.6 TFLOPS) |
| RAMⓘ | 16 GB | 16 GB |
| Max resolution | 1080p | 1080p |
| Max refreshⓘ | 120 Hz | 120 Hz |
| Ray tracing | true | true |
| VRRⓘ | true | true |
Storage
| Spec | Lenovo - Legion Go S | ASUS - ROG Ally Z1 Extreme |
|---|---|---|
| Storageⓘ | 1024 GBlead | 512 GB |
| Storage typeⓘ | NVMe SSD | NVMe SSD |
| Expandable storageⓘ | true | true |
Design & I/O
| Spec | Lenovo - Legion Go S | ASUS - ROG Ally Z1 Extreme |
|---|---|---|
| Disc drive | false | false |
| HDMIⓘ | 0 | 0 |
| USB ports | 2lead | 1 |
| Weight | 0.640 kg | 0.608 kglead |
| VR support | false | false |
Frequently asked
Does Legion Go S or ROG Ally Z1 Extreme have a disc drive?+
Neither has a disc drive.
Which has more storage, Legion Go S or ROG Ally Z1 Extreme?+
Legion Go S ships with 1024GB of NVMe SSD.
Which supports higher refresh rates, Legion Go S or ROG Ally Z1 Extreme?+
ROG Ally Z1 Extreme supports up to 120Hz vs 120Hz.