OPPO Reno 15 512GB vs vivo Y 31 S 256GB: which one suits you?
The two differ in 5 of the specs we have recorded, and the vivo Y 31 S 256GB is cheaper by SAR 1,398 (prices checked 11 Nov 2026).
Which one should you choose?
Choose the
OPPO Reno 15 512GB if you care about:- More space for photos and apps (512 GB vs 256 GB)
Choose the
vivo Y 31 S 256GB if you care about:- Paying less: cheaper by SAR 1,398
- Larger screen size: 17.06 in vs 6.59 in
- Higher warranty: 2 years vs 1 years
The deciding difference here: storage and screen size and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Storage
✓ 512 GB256 GBScreen size
6.59 in✓ 17.06 inDisplay type
AMOLEDLCD
Specifications side by side
17 of 17 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,617 | SAR 1,219 |
| Storage | ✓ 512 GB | 256 GB |
| Processor | Snapdragon 7 Gen 4 | — |
| Wired charging | 80 W | — |
| Main camera | 50 MP | — |
| Memory (RAM) | 8 GB | 8 GB |
| Battery capacity | 6,500 mAh | 6,500 mAh |
| 5G | Yes | Yes |
| Optical zoom (telephoto) | 3.5 x | — |
| Front camera | 50 MP | — |
| Screen size | 6.59 in | ✓ 17.06 in |
| Display type | AMOLED | LCD |
| Resolution | 1256 x 2760 | — |
| Dual SIM | Yes | — |
| Operating system | Android 16.0 | Origin OS 6.0 |
| Colour | — | Black |
| Warranty | 1 years | ✓ 2 years |
| Release year | 2026 | 2026 |
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Direct comparison questions
What is the difference in storage between the OPPO Reno 15 512GB and the vivo Y 31 S 256GB?
Storage is higher on the OPPO Reno 15 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 OPPO Reno 15 512GB and the vivo Y 31 S 256GB?
No difference here: battery capacity is 6,500 mAh on both.
What is the difference in memory (RAM) between the OPPO Reno 15 512GB and the vivo Y 31 S 256GB?
No difference here: memory (RAM) is 8 GB on both.
What is the difference in screen size between the OPPO Reno 15 512GB and the vivo Y 31 S 256GB?
Screen size is higher on the vivo Y 31 S 256GB: 17.06 in vs 6.59 in on the OPPO Reno 15 512GB. If this spec is your priority, the difference favours it.