Xiaomi 15T to Xiaomi 17T 5G: Is It Worth Upgrading?
A plain-English look at what actually changes, 1 year apart.
Maybe — worth it only if the new features matter to you
The Xiaomi 17T 5G is 1 year newer than the Xiaomi 15T, and the BeastScore drops from 87.0 to 86.0. The biggest improvements: battery rated 5 points higher, newer dimensity 8500 ultra chipset (replaces mediatek dimensity 8400-ultra mt6899), 1,000 mah bigger battery. Trade-offs to know: 0.2" smaller screen, 6 g heavier.
What you gain with the Xiaomi 17T 5G
- Battery rated 5 points higher
- Newer Dimensity 8500 Ultra chipset (replaces MediaTek Dimensity 8400-Ultra MT6899)
- 1,000 mAh bigger battery
What you give up
- 0.2" smaller screen
- 6 g heavier
Head-to-head
| Spec | Xiaomi 15T | Xiaomi 17T 5G | Change |
|---|---|---|---|
| BeastScore (overall) | 87.0 | 86.0 | −1.0 |
| Battery score | 61 | 66 | +5 (8%) |
| Chipset | MediaTek Dimensity 8400-Ultra MT6899 | Dimensity 8500 Ultra | New generation chip |
| Battery capacity | 5,500 mAh | 6,500 mAh | +1,000 mAh (18%) |
| Screen size | 6.8" | 6.6" | −0.2" (4%) |
| Refresh rate | 120Hz | 120Hz | No real change |
| Main camera | 50 MP | 50 MP | No real change |
| RAM | 12 GB | 12 GB | No real change |
| Weight | 194 g | 200 g | +6 g (3%) |
Upgrade if…
- You regularly run out of battery before the end of the day
- You play demanding games or want the newest on-device AI features
Xiaomi 15T to Xiaomi 17T 5G: Common Questions
Is it worth upgrading from the Xiaomi 15T to the Xiaomi 17T 5G?
Maybe — worth it only if the new features matter to you. The Xiaomi 17T 5G is 1 year newer than the Xiaomi 15T, and the BeastScore drops from 87.0 to 86.0. The biggest improvements: battery rated 5 points higher, newer dimensity 8500 ultra chipset (replaces mediatek dimensity 8400-ultra mt6899), 1,000 mah bigger battery. Trade-offs to know: 0.2" smaller screen, 6 g heavier.
What is the biggest difference between the Xiaomi 15T and Xiaomi 17T 5G?
Battery rated 5 points higher: 61 on the Xiaomi 15T vs 66 on the Xiaomi 17T 5G.
Does the Xiaomi 17T 5G have a bigger battery than the Xiaomi 15T?
The Xiaomi 17T 5G has a 6,500 mAh battery versus 5,500 mAh on the Xiaomi 15T (+1,000 mAh (18%)).
Who should upgrade to the Xiaomi 17T 5G?
Upgrade if: You regularly run out of battery before the end of the day; You play demanding games or want the newest on-device AI features.