Xiaomi 15 512GB vs Honor X9d 256GB: which one suits you?
The two differ in 6 of the specs we have recorded, and the Honor X9d 256GB is cheaper by SAR 1,080 (prices checked 21 Oct 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)
- Higher wired charging: 90 W vs 66 W
Choose the
Honor X9d 256GB if you care about:- Paying less: cheaper by SAR 1,080
- Higher-resolution main camera (108 MP vs 50 MP)
- Larger screen size: 6.79 in vs 6.36 in · slight difference
The deciding difference here: storage and wired charging and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Storage
✓ 512 GB256 GBScreen size
6.36 in✓ 6.79 inProcessor
Snapdragon 8 EliteSnapdragon 6 Gen 4
Specifications side by side
21 of 21 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,444 | SAR 1,364 |
| Storage | ✓ 512 GB | 256 GB |
| Processor | Snapdragon 8 Elite | Snapdragon 6 Gen 4 |
| Battery capacity | 5,240 mAh | — |
| Wired charging | ✓ 90 W | 66 W |
| Main camera | 50 MP | ✓ 108 MP |
| Memory (RAM) | 12 GB | 12 GB |
| 5G | Yes | Yes |
| Optical zoom (telephoto) | 2.6 x | — |
| Front camera | 50 MP | — |
| Screen size | 6.36 in | ✓ 6.79 in |
| Resolution | 1200 x 2670 | — |
| Display type | AMOLED | AMOLED |
| Screen refresh rate | 120 Hz | 120 Hz |
| Wireless charging | Yes | — |
| Water and dust rating | IP68 | — |
| Operating system | Android 15 | Android |
| Dual SIM | Yes | Yes |
| Release year | 2025 | — |
| Dimensions | 15.2 x 7.1 x 0.8 cm | — |
| Weight | 191 g | — |
| Warranty | 2 years | — |
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Similar comparisons
Direct comparison questions
What is the difference in processor between the Xiaomi 15 512GB and the Honor X9d 256GB?
Xiaomi 15 512GB: Snapdragon 8 Elite; Honor X9d 256GB: Snapdragon 6 Gen 4. This is a spec difference, not a verdict that one is better overall.
What is the difference in storage between the Xiaomi 15 512GB and the Honor X9d 256GB?
Storage is higher on the Xiaomi 15 512GB: 512 GB vs 256 GB on the Honor X9d 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 Honor X9d 256GB?
Main camera is higher on the Honor X9d 256GB: 108 MP vs 50 MP on the Xiaomi 15 512GB. If this spec is your priority, the difference favours it.
What is the difference in wired charging between the Xiaomi 15 512GB and the Honor X9d 256GB?
Wired charging is higher on the Xiaomi 15 512GB: 90 W vs 66 W on the Honor X9d 256GB. If this spec is your priority, the difference favours it.