Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - ROG Ally X | Microsoft - Xbox Series S 512GB |
|---|---|---|
| RAM | 24 GB | 10 GB |
| Storage | 1024 GB | 512 GB |
| Max resolution | 1080p | 4K |
Between the ROG Ally X and Xbox Series S 512GB, the ROG Ally X comes out ahead in ram / storage, while the Xbox Series S 512GB wins on max resolution. Overall, the ROG Ally X scores 63.2 and the Xbox Series S 512GB scores 62.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (63.2 vs 62.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the ROG Ally X 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, storage. The single most decisive one: RAM — 140.00% more. 24 GB vs 10 GB.
Pick the Xbox Series S 512GB if you care most about max resolution. Its strongest claims are max resolution. The single most decisive one: Max resolution: 4K (vs 1080p).
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.
Which should you buy: ASUS - ROG Ally X or Microsoft - Xbox Series S 512GB?
ASUS - ROG Ally X leads the current Mars Score by 1.0 points.The more useful decision is the trade-off behind that result: compare ram, storage, max resolution against the way you will actually use the product.
Choose ASUS - ROG Ally X if…
ASUS - ROG Ally X has the measurable edge on ram gb, storage gb.
Choose Microsoft - Xbox Series S 512GB if…
Microsoft - Xbox Series S 512GB has the measurable edge on max resolution.
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 ASUS - ROG Ally X wins
- ▲RAM — 140.00% more. 24 GB vs 10 GB.
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
Why Microsoft - Xbox Series S 512GB wins
- ▲Max resolution: 4K (vs 1080p).
Spec comparison
Performance
| Spec | ASUS - ROG Ally X | Microsoft - Xbox Series S 512GB |
|---|---|---|
| CPU | AMD Ryzen Z1 Extreme | AMD Zen 2 8-core |
| GPU | AMD RDNA 3 (~8.6 TFLOPS) | AMD RDNA 2 (4 TFLOPS) |
| RAMⓘ | 24 GBlead | 10 GB |
| Max resolution | 1080p | 4Klead |
| Max refreshⓘ | 120 Hz | 120 Hz |
| Ray tracing | true | true |
| VRRⓘ | true | true |
Storage
| Spec | ASUS - ROG Ally X | Microsoft - Xbox Series S 512GB |
|---|---|---|
| Storageⓘ | 1024 GBlead | 512 GB |
| Storage typeⓘ | NVMe SSD | NVMe SSD |
| Expandable storageⓘ | true | true |
Design & I/O
| Spec | ASUS - ROG Ally X | Microsoft - Xbox Series S 512GB |
|---|---|---|
| Disc drive | false | false |
| HDMIⓘ | 0 | 2.1lead |
| USB ports | 1 | 3lead |
| Weight | 0.678 kglead | 1.93 kg |
| VR support | false | false |
Frequently asked
Does ROG Ally X or Xbox Series S 512GB have a disc drive?+
Neither has a disc drive.
Which has more storage, ROG Ally X or Xbox Series S 512GB?+
ROG Ally X ships with 1024GB of NVMe SSD.
Which supports higher refresh rates, ROG Ally X or Xbox Series S 512GB?+
Xbox Series S 512GB supports up to 120Hz vs 120Hz.