OPPO A40m 256GB vs Xiaomi Redmi Note 15 5G 256GB: which one suits you?
The two differ in 12 of the specs we have recorded, and the Xiaomi Redmi Note 15 5G 256GB is cheaper by SAR 1,220 (prices checked 2 Nov 2026).
Which one should you choose?
Choose the
OPPO A40m 256GB if you care about:- Higher wired charging: 45 W vs 33 W
- Lower weight: 200 g vs 500 g
- Paying less: cheaper by SAR 1,220
- Higher-resolution main camera (108 MP vs 50 MP)
- Higher front camera: 20 MP vs 5 MP
- Has 5G; the other doesn't
The deciding difference here: wired charging and main camera and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartphones · Xiaomi
Xiaomi Redmi Note 15 5G 256GB- Storage:
- 256 GB
- Memory (RAM):
- 8 GB
- Reference price:
- SAR 995
Key differences
Screen size
6.7 in6.77 inResolution
1604 x 7201080 x 2392Battery capacity
5,100 mAh✓ 5,520 mAh
Specifications side by side
21 of 21 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,215 | SAR 995 |
| Battery capacity | 5,100 mAh | ✓ 5,520 mAh |
| Wired charging | ✓ 45 W | 33 W |
| Main camera | 50 MP | ✓ 108 MP |
| 5G | No | ✓ Yes |
| Years of OS updates | — | 4 years |
| Storage | 256 GB | 256 GB |
| Memory (RAM) | 8 GB | 8 GB |
| Front camera | 5 MP | ✓ 20 MP |
| Screen size | 6.7 in | 6.77 in |
| Display type | — | AMOLED |
| Resolution | 1604 x 720 | 1080 x 2392 |
| Screen refresh rate | 120 Hz | — |
| Wireless charging | No | — |
| Water and dust rating | IP54 | IP66 |
| Operating system | — | Android 15 |
| Dual SIM | Yes | Yes |
| Release year | 2024 | 2026 |
| Colour | Black | Blue |
| Dimensions | 16.6 x 7.6 x 0.8 cm | 16.2 x 7.6 x 0.7 cm |
| Weight | ✓ 200 g | 500 g |
| Warranty | 1 years | 1 years |
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Direct comparison questions
What is the difference in storage between the OPPO A40m 256GB and the Xiaomi Redmi Note 15 5G 256GB?
No difference here: storage is 256 GB on both.
What is the difference in main camera between the OPPO A40m 256GB and the Xiaomi Redmi Note 15 5G 256GB?
Main camera is higher on the Xiaomi Redmi Note 15 5G 256GB: 108 MP vs 50 MP on the OPPO A40m 256GB. If this spec is your priority, the difference favours it.
What is the difference in battery capacity between the OPPO A40m 256GB and the Xiaomi Redmi Note 15 5G 256GB?
Battery capacity is higher on the Xiaomi Redmi Note 15 5G 256GB: 5,520 mAh vs 5,100 mAh on the OPPO A40m 256GB. If this spec is your priority, the difference favours it.
What is the difference in wired charging between the OPPO A40m 256GB and the Xiaomi Redmi Note 15 5G 256GB?
Wired charging is higher on the OPPO A40m 256GB: 45 W vs 33 W on the Xiaomi Redmi Note 15 5G 256GB. If this spec is your priority, the difference favours it.