
Smartphones · Xiaomi
Xiaomi Redmi Note 9 512GB- Storage:
- 512 GB
- Memory (RAM):
- 3 GB
- Reference price:
- SAR 1,759
The two differ in 11 of the specs we have recorded, and the Xiaomi Redmi Note 9 512GB is cheaper by SAR 240 (prices checked 3 Nov 2026).
The deciding difference here: storage and memory (RAM) and price.
Compares recorded specs; a missing spec does not mean the feature is absent.

Smartphones · Xiaomi
Xiaomi Redmi Note 9 512GB
Smartphones · Samsung
Samsung Galaxy A57 5G 256GBStorage
Memory (RAM)
Screen size
Scroll the table sideways to see the rest.
| Spec | ![]() | ![]() |
|---|---|---|
| Reference price | SAR 1,759 | SAR 1,999 |
| Storage | ✓ 512 GB | 256 GB |
| Memory (RAM) | 3 GB | ✓ 12 GB |
| Processor | Helio G85 | Exynos 1680 |
| Battery capacity | 5,020 mAh | 5,000 mAh |
| Wired charging | 18 W | — |
| Main camera | 48 MP | 50 MP |
| 5G | No | ✓ Yes |
| Years of OS updates | — | 6 years |
| Front camera | ✓ 13 MP | 12 MP |
| Screen size | 6.53 in | 6.7 in |
| Display type | LCD | AMOLED |
| Resolution | 2340 x 1080 | 1920 x 1080 |
| Wireless charging | No | — |
| Dual SIM | Yes | — |
| Water and dust rating | IP53 | IP68 |
| Operating system | Android 8.0 | — |
| Release year | 2020 | — |
| Colour | — | Purple |
| Dimensions | 16 x 7 x 0.8 cm | — |
| Weight | 199 g | — |
| Warranty | — | 2 years |
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Xiaomi Poco F4 5G 256GB vs Samsung Galaxy A57 5G 256GBXiaomi Redmi Note 9 512GB: Helio G85; Samsung Galaxy A57 5G 256GB: Exynos 1680. This is a spec difference, not a verdict that one is better overall.
Storage is higher on the Xiaomi Redmi Note 9 512GB: 512 GB vs 256 GB on the Samsung Galaxy A57 5G 256GB. If this spec is your priority, the difference favours it.
Main camera is higher on the Samsung Galaxy A57 5G 256GB: 50 MP vs 48 MP on the Xiaomi Redmi Note 9 512GB. If this spec is your priority, the difference favours it.
Battery capacity is higher on the Xiaomi Redmi Note 9 512GB: 5,020 mAh vs 5,000 mAh on the Samsung Galaxy A57 5G 256GB. If this spec is your priority, the difference favours it.