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Xiaomi
Xiaomi Redmi K Ultra: every generation
6 generations from 2020 to 2026, latest — Xiaomi Redmi K90 Ultra. What each generation gained and lost.
2026
Better than Redmi K80 Ultra
- Peak brightness 3,200 nits → 9,500 nits
- Battery capacity 7,410 mAh → 8,550 mAh
- AnTuTu score 2,926,668 → 3,233,695
- Refresh rate 144 Hz → 165 Hz
Worse
Redmi K80 Ultra vs Redmi K90 Ultra — full comparison- Storage (max) 1,024 GB → 512 GB
- Weight 219 g → 227 g
2025
Better than Redmi K70 Ultra
- Battery capacity 5,500 mAh → 7,410 mAh
- AnTuTu score 2,384,849 → 2,926,668
- Geekbench 6 (multi-core) 7,541 → 9,174
- CPU frequency 3.25 GHz → 3.63 GHz
Worse
Redmi K70 Ultra vs Redmi K80 Ultra — full comparison- RAM 24 GB → 16 GB
- Wired charging 120 W → 100 W
- Peak brightness 4,000 nits → 3,200 nits
2024
Better than Redmi K60 Ultra
- AnTuTu score 1,811,490 → 2,384,849
- Geekbench 6 (multi-core) 4,931 → 7,541
- Battery capacity 5,000 mAh → 5,500 mAh
- Peak brightness 2,600 nits → 4,000 nits
Worse
Redmi K60 Ultra vs Redmi K70 Ultra — full comparison- Weight 204 g → 211 g
- CPU frequency 3.35 GHz → 3.25 GHz
- Charged in 30 min 158% → 125%
2023
Better than Redmi K50 Ultra
- RAM 12 GB → 24 GB
- Storage (max) 512 GB → 1,024 GB
- Storage (base) 128 GB → 256 GB
- Max video 4K → 8K
Worse
Redmi K50 Ultra vs Redmi K60 Ultra — full comparison- Main camera 108 MP → 50 MP
- Main camera aperture f/1.6 → f/1.7
2022
Better than Redmi K30 Ultra
- Wired charging 33 W → 120 W
- Main camera 64 MP → 108 MP
- RAM 8 GB → 12 GB
- Optical stabilisation
Worse
Redmi K30 Ultra vs Redmi K50 Ultra — full comparison- Telephoto camera
2020
The first generation in our catalog.
Specifications
Key specs by generation
| Redmi K30 Ultra · 2020 | Redmi K50 Ultra · 2022 | Redmi K60 Ultra · 2023 | Redmi K70 Ultra · 2024 | Redmi K80 Ultra · 2025 | Redmi K90 Ultra · 2026 | |
|---|---|---|---|---|---|---|
| Screen size | 6.7″ | 6.7″ | 6.7″ | 6.7″ | 6.8″ | 6.8″ |
| Refresh rate | 120 Hz | 144 Hz | 144 Hz | 144 Hz | 144 Hz | 165 Hz |
| Chipset | Dimensity 1000+ | Snapdragon 8+ Gen 1 | Dimensity 9200+ | Dimensity 9300+ | Dimensity 9400+ | Snapdragon 8 Elite |
| RAM | 8 GB | 12 GB | 24 GB | 24 GB | 16 GB | 16 GB |
| Main camera | 64 MP | 108 MP | 50 MP | 50 MP | 50 MP | 50 MP |
| Battery capacity | 4,500 mAh | 5,000 mAh | 5,000 mAh | 5,500 mAh | 7,410 mAh | 8,550 mAh |
| Wired charging | 33 W | 120 W | 120 W | 120 W | 100 W | 100 W |
| Weight | 213 g | 202 g | 204 g | 211 g | 219 g | 227 g |
| Score | 7.7 | 9.1 | 9.2 | 9.5 | 9.6 | 9.6 |