Smartphones · Xiaomi
Xiaomi Poco X8 Pro 512GB- Storage:
- 512 GB
- Memory (RAM):
- 12 GB
- Reference price:
- SAR 2,613
Xiaomi Poco X8 Pro 512GB vs vivo Y 31 S 256GB: which one suits you?
The two differ in 7 of the specs we have recorded, and the vivo Y 31 S 256GB is cheaper by SAR 1,394 (prices checked 12 Nov 2026).
Which one should you choose?
- More space for photos and apps (512 GB vs 256 GB)
- More memory for multitasking (12 GB vs 8 GB)
- Bigger battery for a longer day (8,500 mAh vs 6,500 mAh)
Choose the
vivo Y 31 S 256GB if you care about:- Paying less: cheaper by SAR 1,394
- Larger screen size: 17.06 in vs 6.77 in
- Higher warranty: 2 years vs 1 years
The deciding difference here: storage and memory (RAM) and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Storage
✓ 512 GB256 GBMemory (RAM)
✓ 12 GB8 GBScreen size
6.77 in✓ 17.06 in
Specifications side by side
20 of 20 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,613 | SAR 1,219 |
| Storage | ✓ 512 GB | 256 GB |
| Memory (RAM) | ✓ 12 GB | 8 GB |
| Processor | Dimensity 8500 | — |
| Battery capacity | ✓ 8,500 mAh | 6,500 mAh |
| Wired charging | 100 W | — |
| Main camera | 50 MP | — |
| Years of OS updates | 4 years | — |
| 5G | Yes | Yes |
| Front camera | 20 MP | — |
| Screen size | 6.77 in | ✓ 17.06 in |
| Display type | AMOLED | LCD |
| Resolution | 1268 x 2756 | — |
| Wireless charging | No | — |
| Dual SIM | Yes | — |
| Water and dust rating | IP68 | — |
| Operating system | Android 16 | Origin OS 6.0 |
| Release year | — | 2026 |
| Colour | — | Black |
| Weight | 202 g | — |
| Warranty | 1 years | ✓ 2 years |
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Before you buy
Prices, availability, shipping and returns can change. Check the final details on Amazon.sa before you buy.
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Direct comparison questions
What is the difference in storage between the Xiaomi Poco X8 Pro 512GB and the vivo Y 31 S 256GB?
Storage is higher on the Xiaomi Poco X8 Pro 512GB: 512 GB vs 256 GB on the vivo Y 31 S 256GB. If this spec is your priority, the difference favours it.
What is the difference in battery capacity between the Xiaomi Poco X8 Pro 512GB and the vivo Y 31 S 256GB?
Battery capacity is higher on the Xiaomi Poco X8 Pro 512GB: 8,500 mAh vs 6,500 mAh on the vivo Y 31 S 256GB. If this spec is your priority, the difference favours it.
What is the difference in memory (RAM) between the Xiaomi Poco X8 Pro 512GB and the vivo Y 31 S 256GB?
Memory (RAM) is higher on the Xiaomi Poco X8 Pro 512GB: 12 GB vs 8 GB on the vivo Y 31 S 256GB. If this spec is your priority, the difference favours it.
What is the difference in screen size between the Xiaomi Poco X8 Pro 512GB and the vivo Y 31 S 256GB?
Screen size is higher on the vivo Y 31 S 256GB: 17.06 in vs 6.77 in on the Xiaomi Poco X8 Pro 512GB. If this spec is your priority, the difference favours it.