Redmi K20 Pro vs Redmi K90 Ultra
The Redmi K20 Pro (2019) runs on the Qualcomm Snapdragon 855, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $350 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 46/100 (a 27-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 824,513); the Redmi K20 Pro is noticeably lighter (191g vs 227g).
Redmi K20 Pro
Redmi K90 Ultra
- Lighter: 191g vs 227g
- Cheaper at launch: $350 vs $420
- Better camera (41/100 vs 37/100)
- Better portability (56/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 824513
- Better Geekbench Single: 3041 vs 968
- Better Geekbench Multi: 9494 vs 2731
- Bigger battery: 8550 vs 4000 mAh
- Faster charging: 100W vs 27W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 54/100)
- Longer battery life (78/100 vs 24/100)
- Better display (94/100 vs 56/100)
Comparing the Redmi K20 Pro vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 27 points higher (73/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 54/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 24/100). Value score: Redmi K20 Pro — 32/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi K20 Pro (92/100 vs 54/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi K20 Pro (94/100 vs 56/100). In the "camera" category, the Redmi K20 Pro and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi K20 Pro (78/100 vs 24/100). In the "portability" category, the Redmi K20 Pro notably outperforms the Redmi K90 Ultra (56/100 vs 40/100).
| Specification | Redmi K20 Pro | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 824513 | 3119308 | |
| Geekbench Single | 968 | 3041 | |
| Geekbench Multi | 2731 | 9494 | |
| Display | 6.4" AMOLED | 6.8" AMOLED | |
| Resolution | 2340x1080 | 1280x2772 | |
| Refresh rate | 60 Hz | 165 Hz | |
| Battery | 4000 mAh | 8550 mAh | |
| Charging | 27W | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 8 MP | 0 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB | |
| OS | Android 9 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 156.7×74.3×8.8 mm | 162.9×77.9×8.2 mm | |
| Weight | 191 g | 227 g | |
| Launch price | $350 | $420 |
Redmi K20 Pro
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi K20 Pro
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi K20 Pro
- 4000 mAh
- Wired: 27W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K20 Pro and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi K20 Pro by 73.6% in our overall performance rating.
Launch price difference: $70. Redmi K20 Pro was $70 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi K20 Pro (92/100 vs 54/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi K20 Pro (94/100 vs 56/100).
camera
In the "camera" category, the Redmi K20 Pro and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi K20 Pro (78/100 vs 24/100).
portability
In the "portability" category, the Redmi K20 Pro notably outperforms the Redmi K90 Ultra (56/100 vs 40/100).
Which is better: the Redmi K20 Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi K20 Pro by 27 points (73/100 vs 46/100).
What is the rating of the Redmi K20 Pro and the Redmi K90 Ultra?
The Redmi K20 Pro has a MobileRank rating of 46/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Redmi K20 Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Redmi K20 Pro over the Redmi K90 Ultra?
The Redmi K20 Pro is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.