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Xiaomi
Xiaomi Redmi K: every generation
6 generations from 2021 to 2025, latest — Xiaomi Redmi K90. What each generation gained and lost.
2025
Better than Redmi K80
- Refresh rate 120 Hz → 560 Hz
- AnTuTu score 2,277,927 → 3,126,494
- Telephoto camera
- Geekbench 6 (multi-core) 6,524 → 9,442
Worse
Redmi K80 vs Redmi K90 — full comparison- Pixel density 526 ppi → 419 ppi
- Resolution (width) 1,440 px → 1,156 px
- Main camera aperture f/1.6 → f/1.9
2024
Better than Redmi K70
- Battery capacity 5,000 mAh → 6,550 mAh
- AnTuTu score 1,757,044 → 2,277,927
- Geekbench 6 (multi-core) 5,560 → 6,524
- 3DMark Wild Life Extreme 3,600 → 4,262
Worse
Redmi K70 vs Redmi K80 — full comparison- Wired charging 120 W → 90 W
- Peak brightness 4,000 nits → 3,200 nits
2023
Better than Redmi K60
- Peak brightness 1,400 nits → 4,000 nits
- Wired charging 67 W → 120 W
- AnTuTu score 1,425,621 → 1,757,044
- Geekbench 6 (multi-core) 4,041 → 5,560
Worse
Redmi K60 vs Redmi K70 — full comparison- Wireless charging
- Battery capacity 5,500 mAh → 5,000 mAh
- Main camera 64 MP → 50 MP
2023
Better than Redmi K50
- Storage (max) 512 GB → 1,024 GB
- Wireless charging
- RAM 12 GB → 16 GB
- Main camera 48 MP → 64 MP
Worse
Redmi K50 vs Redmi K60 — full comparison- Selfie camera 20 MP → 16 MP
2022
Better than Redmi K40
- Wired charging 33 W → 67 W
- Battery capacity 4,520 mAh → 5,500 mAh
- Storage (max) 256 GB → 512 GB
- Optical stabilisation
Worse
Redmi K40 vs Redmi K50 — full comparison- CPU frequency 3.2 GHz → 2.85 GHz
- Peak brightness 1,300 nits → 1,200 nits
- Weight 196 g → 201 g
2021
The first generation in our catalog.
Specifications
Key specs by generation
| Redmi K40 · 2021 | Redmi K50 · 2022 | Redmi K60 · 2023 | Redmi K70 · 2023 | Redmi K80 · 2024 | Redmi K90 · 2025 | |
|---|---|---|---|---|---|---|
| Screen size | 6.7″ | 6.7″ | 6.7″ | 6.7″ | 6.7″ | 6.6″ |
| Refresh rate | 120 Hz | 120 Hz | 120 Hz | 120 Hz | 120 Hz | 560 Hz |
| Chipset | Snapdragon 870 | Dimensity 8100 | Snapdragon 8+ Gen 1 | Snapdragon 8 Gen 2 | Snapdragon 8 Gen 3 | Snapdragon 8 Elite |
| RAM | 12 GB | 12 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Main camera | 48 MP | 48 MP | 64 MP | 50 MP | 50 MP | 50 MP |
| Battery capacity | 4,520 mAh | 5,500 mAh | 5,500 mAh | 5,000 mAh | 6,550 mAh | 7,100 mAh |
| Wired charging | 33 W | 67 W | 67 W | 120 W | 90 W | 100 W |
| Weight | 196 g | 201 g | 199 g | 209 g | 206 g | 206 g |
| Score | 7.8 | 8.6 | 9.1 | 9.2 | 9.4 | 9.6 |