Smartphones · Xiaomi
Xiaomi Redmi Note 15 5G 256GB- Storage:
- 256 GB
- Memory (RAM):
- 8 GB
- Reference price:
- SAR 957
Xiaomi Redmi Note 15 5G 256GB vs vivo Y 21 256GB: which one suits you?
The two differ in 10 of the specs we have recorded, and the vivo Y 21 256GB is cheaper by SAR 27 (prices checked 12 Nov 2026).
Which one should you choose?
- More memory for multitasking (8 GB vs 4 GB)
- Higher-resolution main camera (108 MP vs 50 MP)
Choose the
vivo Y 21 256GB if you care about:- Paying less: cheaper by SAR 27
- Bigger battery for a longer day (6,500 mAh vs 5,520 mAh)
- Higher wired charging: 44 W vs 33 W
The deciding difference here: memory (RAM) and battery capacity and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Memory (RAM)
✓ 8 GB4 GBScreen size
6.77 in6.68 inResolution
1080 x 23921608 x 720
Specifications side by side
22 of 22 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 957 | SAR 930 |
| Memory (RAM) | ✓ 8 GB | 4 GB |
| Processor | — | Dimensity 6300 |
| Battery capacity | 5,520 mAh | ✓ 6,500 mAh |
| Wired charging | 33 W | ✓ 44 W |
| Main camera | ✓ 108 MP | 50 MP |
| Years of OS updates | 4 years | — |
| Storage | 256 GB | 256 GB |
| 5G | Yes | Yes |
| Front camera | 20 MP | — |
| Screen size | 6.77 in | 6.68 in |
| Display type | AMOLED | — |
| Resolution | 1080 x 2392 | 1608 x 720 |
| Screen refresh rate | — | 120 Hz |
| Wireless charging | No | — |
| Dual SIM | Yes | — |
| Water and dust rating | IP66 | — |
| Operating system | Android 15 | Android 16 |
| Colour | Blue | Gold |
| Dimensions | 16.2 x 7.6 x 0.7 cm | 16.6 x 7.6 x 0.8 centimeters cm |
| Weight | — | 199 g |
| Warranty | 1 years | — |
| Release year | 2026 | 2026 |
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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 Redmi Note 15 5G 256GB and the vivo Y 21 256GB?
No difference here: storage is 256 GB on both.
What is the difference in main camera between the Xiaomi Redmi Note 15 5G 256GB and the vivo Y 21 256GB?
Main camera is higher on the Xiaomi Redmi Note 15 5G 256GB: 108 MP vs 50 MP on the vivo Y 21 256GB. If this spec is your priority, the difference favours it.
What is the difference in battery capacity between the Xiaomi Redmi Note 15 5G 256GB and the vivo Y 21 256GB?
Battery capacity is higher on the vivo Y 21 256GB: 6,500 mAh vs 5,520 mAh on the Xiaomi Redmi Note 15 5G 256GB. If this spec is your priority, the difference favours it.
What is the difference in wired charging between the Xiaomi Redmi Note 15 5G 256GB and the vivo Y 21 256GB?
Wired charging is higher on the vivo Y 21 256GB: 44 W vs 33 W on the Xiaomi Redmi Note 15 5G 256GB. If this spec is your priority, the difference favours it.