Xiaomi 15 512GB vs Samsung Galaxy S 25 256GB: which one suits you?
The two differ in 6 of the specs we have recorded, and the Samsung Galaxy S 25 256GB is cheaper by SAR 229 (prices checked 11 Nov 2026).
Which one should you choose?
Choose the
Xiaomi 15 512GB if you care about:- More space for photos and apps (512 GB vs 256 GB)
- Bigger battery for a longer day (5,240 mAh vs 4,000 mAh)
- Higher warranty: 2 years vs 1 years
- Paying less: cheaper by SAR 229
The deciding difference here: storage and battery capacity and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartphones · Samsung
Samsung Galaxy S 25 256GB- Storage:
- 256 GB
- Memory (RAM):
- 12 GB
- Reference price:
- SAR 2,189
Key differences
Storage
✓ 512 GB256 GBDisplay type
AMOLEDDynamic AMOLED 2XResolution
1200 x 26702340 x 1080
Specifications side by side
21 of 21 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,418 | SAR 2,189 |
| Storage | ✓ 512 GB | 256 GB |
| Processor | Snapdragon 8 Elite | — |
| Battery capacity | ✓ 5,240 mAh | 4,000 mAh |
| Wired charging | 90 W | — |
| Memory (RAM) | 12 GB | 12 GB |
| Main camera | 50 MP | 50 MP |
| 5G | Yes | Yes |
| Optical zoom (telephoto) | 2.6 x | — |
| Front camera | 50 MP | — |
| Screen size | 6.36 in | — |
| Display type | AMOLED | Dynamic AMOLED 2X |
| Resolution | 1200 x 2670 | 2340 x 1080 |
| Screen refresh rate | 120 Hz | — |
| Wireless charging | Yes | — |
| Dual SIM | Yes | — |
| Water and dust rating | IP68 | — |
| Operating system | Android 15 | Android |
| Release year | 2025 | — |
| Dimensions | 15.2 x 7.1 x 0.8 cm | — |
| Weight | 191 g | — |
| Warranty | ✓ 2 years | 1 years |
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Direct comparison questions
What is the difference in storage between the Xiaomi 15 512GB and the Samsung Galaxy S 25 256GB?
Storage is higher on the Xiaomi 15 512GB: 512 GB vs 256 GB on the Samsung Galaxy S 25 256GB. If this spec is your priority, the difference favours it.
What is the difference in main camera between the Xiaomi 15 512GB and the Samsung Galaxy S 25 256GB?
No difference here: main camera is 50 MP on both.
What is the difference in battery capacity between the Xiaomi 15 512GB and the Samsung Galaxy S 25 256GB?
Battery capacity is higher on the Xiaomi 15 512GB: 5,240 mAh vs 4,000 mAh on the Samsung Galaxy S 25 256GB. If this spec is your priority, the difference favours it.
What is the difference in memory (RAM) between the Xiaomi 15 512GB and the Samsung Galaxy S 25 256GB?
No difference here: memory (RAM) is 12 GB on both.