Redmi Note 9 128GB vs Xiaomi Redmi Note 15 128GB: which one suits you?
The two differ in 8 of the specs we have recorded, and the Xiaomi Redmi Note 15 128GB is cheaper by SAR 170 (prices checked 8 Nov 2026).
Which one should you choose?
Choose the
Redmi Note 9 128GB if you care about:- No clear lead in the recorded specs; design or brand preference may decide.
- Paying less: cheaper by SAR 170
- More memory for multitasking (6 GB vs 4 GB)
- Higher wired charging: 33 W vs 18 W
The deciding difference here: memory (RAM) and wired charging and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartphones · Xiaomi
Xiaomi Redmi Note 15 128GB- Storage:
- 128 GB
- Memory (RAM):
- 6 GB
- Reference price:
- SAR 2,215
Key differences
Memory (RAM)
4 GB✓ 6 GBScreen size
6.67 in6.77 inDisplay type
LCDAMOLED
Specifications side by side
21 of 21 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,385 | SAR 2,215 |
| Memory (RAM) | 4 GB | ✓ 6 GB |
| Processor | Helio G85 | Helio G100 |
| Battery capacity | — | 6,000 mAh |
| Wired charging | 18 W | ✓ 33 W |
| Main camera | — | 108 MP |
| 5G | — | No |
| Years of OS updates | — | 4 years |
| Storage | 128 GB | 128 GB |
| Front camera | — | 20 MP |
| Screen size | 6.67 in | 6.77 in |
| Display type | LCD | AMOLED |
| Resolution | 1080 x 2340 | 1080 x 2392 |
| Wireless charging | No | — |
| Water and dust rating | IP53 | IP66 |
| Operating system | Android 10.0 | Android 15 |
| Dual SIM | Yes | Yes |
| Release year | — | 2026 |
| Dimensions | — | 16.4 x 7.5 x 0.8 cm |
| Weight | — | 184 g |
| Warranty | — | 1 years |
| Colour | Black | Black |
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Direct comparison questions
What is the difference in processor between the Redmi Note 9 128GB and the Xiaomi Redmi Note 15 128GB?
Redmi Note 9 128GB: Helio G85; Xiaomi Redmi Note 15 128GB: Helio G100. This is a spec difference, not a verdict that one is better overall.
What is the difference in storage between the Redmi Note 9 128GB and the Xiaomi Redmi Note 15 128GB?
No difference here: storage is 128 GB on both.
What is the difference in wired charging between the Redmi Note 9 128GB and the Xiaomi Redmi Note 15 128GB?
Wired charging is higher on the Xiaomi Redmi Note 15 128GB: 33 W vs 18 W on the Redmi Note 9 128GB. If this spec is your priority, the difference favours it.
What is the difference in memory (RAM) between the Redmi Note 9 128GB and the Xiaomi Redmi Note 15 128GB?
Memory (RAM) is higher on the Xiaomi Redmi Note 15 128GB: 6 GB vs 4 GB on the Redmi Note 9 128GB. If this spec is your priority, the difference favours it.