Should You Upgrade from the Xiaomi Redmi K70 Ultra to the Xiaomi Redmi K90 Ultra 5G?
A spec-by-spec look at what actually changes when you move from the Xiaomi Redmi K70 Ultra to the Xiaomi Redmi K90 Ultra 5G, 2 years apart.
Yes — the Xiaomi Redmi K90 Ultra 5G is a worthwhile upgrade
The Xiaomi Redmi K90 Ultra 5G is 2 years newer than the Xiaomi Redmi K70 Ultra, and the BeastScore rises from 86.6 to 89.3. The biggest improvements: performance rated 4 points higher, battery rated 4 points higher, display rated 5 points higher. Trade-offs to know: 8 gb less ram.
What you gain with the Xiaomi Redmi K90 Ultra 5G
- +Performance rated 4 points higher
- +Battery rated 4 points higher
- +Display rated 5 points higher
- +Newer Snapdragon 8 Elite chipset (replaces Dimensity 9300+)
- +3,050 mAh bigger battery
- +0.2" larger screen
What you give up
- −8 GB less RAM
| Spec | Xiaomi Redmi K70 Ultra | Xiaomi Redmi K90 Ultra 5G | Change |
|---|---|---|---|
| BeastScore (overall) | 86.6 | 89.3 | +2.7 (3%) |
| Performance score | 91 | 95 | +4 (4%) |
| Camera score | 80 | 80 | No real change |
| Battery score | 91 | 95 | +4 (4%) |
| Display score | 84 | 89 | +5 (6%) |
| Chipset | Dimensity 9300+ | Snapdragon 8 Elite | New generation chip |
| Battery capacity | 5,500 mAh | 8,550 mAh | +3,050 mAh (55%) |
| Screen size | 6.7" | 6.8" | +0.2" |
| Refresh rate | 120Hz | 120Hz | No real change |
| Main camera | 50 MP | 50 MP | No real change |
| RAM | 24 GB | 16 GB | −8 GB (33%) |
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
- You use your phone outdoors a lot and want a brighter, smoother screen
Xiaomi Redmi K70 Ultra vs Xiaomi Redmi K90 Ultra 5G: Upgrade FAQ
Is it worth upgrading from the Xiaomi Redmi K70 Ultra to the Xiaomi Redmi K90 Ultra 5G?
Yes — the Xiaomi Redmi K90 Ultra 5G is a worthwhile upgrade. The Xiaomi Redmi K90 Ultra 5G is 2 years newer than the Xiaomi Redmi K70 Ultra, and the BeastScore rises from 86.6 to 89.3. The biggest improvements: performance rated 4 points higher, battery rated 4 points higher, display rated 5 points higher. Trade-offs to know: 8 gb less ram.
What is the biggest difference between the Xiaomi Redmi K70 Ultra and Xiaomi Redmi K90 Ultra 5G?
Performance rated 4 points higher: 91 on the Xiaomi Redmi K70 Ultra vs 95 on the Xiaomi Redmi K90 Ultra 5G.
Does the Xiaomi Redmi K90 Ultra 5G have a bigger battery than the Xiaomi Redmi K70 Ultra?
The Xiaomi Redmi K90 Ultra 5G has a 8,550 mAh battery versus 5,500 mAh on the Xiaomi Redmi K70 Ultra (+3,050 mAh (55%)).
Who should upgrade to the Xiaomi Redmi K90 Ultra 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; You use your phone outdoors a lot and want a brighter, smoother screen.