Smartphones · Xiaomi
Xiaomi Redmi Note 9 512GB- Storage:
- 512 GB
- Memory (RAM):
- 3 GB
- Reference price:
- SAR 1,759
Xiaomi Redmi Note 9 512GB vs Xiaomi Redmi 15C 128GB: which one suits you?
The two differ in 12 of the specs we have recorded (prices checked 3 Nov 2026).
Which one should you choose?
- More space for photos and apps (512 GB vs 128 GB)
- Higher front camera: 13 MP vs 8 MP
- More memory for multitasking (4 GB vs 3 GB)
- Bigger battery for a longer day (6,000 mAh vs 5,020 mAh)
- Higher wired charging: 33 W vs 18 W
The deciding difference here: storage and memory (RAM).
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartphones · Xiaomi
Xiaomi Redmi 15C 128GB- Storage:
- 128 GB
- Memory (RAM):
- 4 GB
- Reference price:
- SAR 1,775
Key differences
Storage
✓ 512 GB128 GBMemory (RAM)
3 GB✓ 4 GBScreen size
6.53 in✓ 6.9 in
Specifications side by side
21 of 21 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 1,759 | SAR 1,775 |
| Storage | ✓ 512 GB | 128 GB |
| Memory (RAM) | 3 GB | ✓ 4 GB |
| Processor | Helio G85 | Helio G81 |
| Battery capacity | 5,020 mAh | ✓ 6,000 mAh |
| Wired charging | 18 W | ✓ 33 W |
| Main camera | 50 MP | 50 MP |
| 5G | No | No |
| Front camera | ✓ 13 MP | 8 MP |
| Screen size | 6.53 in | ✓ 6.9 in |
| Display type | LCD | IPS LCD |
| Resolution | 2340 x 1080 | 720 x 1600 |
| Screen refresh rate | 60 Hz | — |
| Water and dust rating | IP53 | IP64 |
| Operating system | Android | Android 15 |
| Wireless charging | No | No |
| Dual SIM | Yes | Yes |
| Release year | 2020 | 2025 |
| Colour | Dark grey | — |
| Dimensions | 16 x 7 x 0.8 cm | — |
| Weight | 199 g | — |
| Warranty | — | 1 years |
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Direct comparison questions
What is the difference in processor between the Xiaomi Redmi Note 9 512GB and the Xiaomi Redmi 15C 128GB?
Xiaomi Redmi Note 9 512GB: Helio G85; Xiaomi Redmi 15C 128GB: Helio G81. This is a spec difference, not a verdict that one is better overall.
What is the difference in storage between the Xiaomi Redmi Note 9 512GB and the Xiaomi Redmi 15C 128GB?
Storage is higher on the Xiaomi Redmi Note 9 512GB: 512 GB vs 128 GB on the Xiaomi Redmi 15C 128GB. If this spec is your priority, the difference favours it.
What is the difference in main camera between the Xiaomi Redmi Note 9 512GB and the Xiaomi Redmi 15C 128GB?
No difference here: main camera is 50 MP on both.
What is the difference in battery capacity between the Xiaomi Redmi Note 9 512GB and the Xiaomi Redmi 15C 128GB?
Battery capacity is higher on the Xiaomi Redmi 15C 128GB: 6,000 mAh vs 5,020 mAh on the Xiaomi Redmi Note 9 512GB. If this spec is your priority, the difference favours it.