Xiaomi 17T 512GB vs Xiaomi 15 512GB: which one suits you?
The two differ in 10 of the specs we have recorded, and the Xiaomi 17T 512GB is cheaper by SAR 70 (prices checked 10 Nov 2026).
Which one should you choose?
Choose the
Xiaomi 17T 512GB if you care about:- Paying less: cheaper by SAR 70
- Bigger battery for a longer day (6,500 mAh vs 5,240 mAh)
- Higher optical zoom (telephoto): 5 x vs 2.6 x
Choose the
Xiaomi 15 512GB if you care about:- Higher wired charging: 90 W vs 67 W
- Higher front camera: 50 MP vs 32 MP
The deciding difference here: battery capacity and wired charging and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Screen size
6.59 in6.36 inResolution
1268 x 27561200 x 2670Processor
Dimensity 8500-UltraSnapdragon 8 Elite
Specifications side by side
24 of 24 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,348 | SAR 2,418 |
| Processor | Dimensity 8500-Ultra | Snapdragon 8 Elite |
| Battery capacity | ✓ 6,500 mAh | 5,240 mAh |
| Wired charging | 67 W | ✓ 90 W |
| Years of OS updates | 4 years | — |
| Storage | 512 GB | 512 GB |
| Memory (RAM) | 12 GB | 12 GB |
| Main camera | 50 MP | 50 MP |
| 5G | Yes | Yes |
| Optical zoom (telephoto) | ✓ 5 x | 2.6 x |
| Front camera | 32 MP | ✓ 50 MP |
| Screen size | 6.59 in | 6.36 in |
| Resolution | 1268 x 2756 | 1200 x 2670 |
| Display type | AMOLED | AMOLED |
| Screen refresh rate | 120 Hz | 120 Hz |
| Wireless charging | — | Yes |
| eSIM | Yes | — |
| Operating system | — | Android 15 |
| Dual SIM | Yes | Yes |
| Water and dust rating | IP68 | IP68 |
| Release year | 2026 | 2025 |
| Colour | White | — |
| Dimensions | 15.8 x 7.5 x 0.8 cm | 15.2 x 7.1 x 0.8 cm |
| Weight | 200 g | 191 g |
| Warranty | 2 years | 2 years |
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Before you buy
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Similar comparisons
Direct comparison questions
What is the difference in processor between the Xiaomi 17T 512GB and the Xiaomi 15 512GB?
Xiaomi 17T 512GB: Dimensity 8500-Ultra; Xiaomi 15 512GB: Snapdragon 8 Elite. This is a spec difference, not a verdict that one is better overall.
What is the difference in storage between the Xiaomi 17T 512GB and the Xiaomi 15 512GB?
No difference here: storage is 512 GB on both.
What is the difference in main camera between the Xiaomi 17T 512GB and the Xiaomi 15 512GB?
No difference here: main camera is 50 MP on both.
What is the difference in battery capacity between the Xiaomi 17T 512GB and the Xiaomi 15 512GB?
Battery capacity is higher on the Xiaomi 17T 512GB: 6,500 mAh vs 5,240 mAh on the Xiaomi 15 512GB. If this spec is your priority, the difference favours it.