Redmi K90 Ultra vs Redmi Note 9 Pro Max
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 9 Pro Max (2020) runs on the Qualcomm Snapdragon 720G. 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 5020); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 517,460); the Redmi K90 Ultra has NFC for contactless payments, the Redmi Note 9 Pro Max doesn't; the Redmi Note 9 Pro Max is noticeably lighter (209g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Redmi Note 9 Pro Max
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 517460
- Better Geekbench Single: 3013 vs 746
- Better Geekbench Multi: 9287 vs 1762
- Bigger battery: 8550 vs 5020 mAh
- Faster charging: 100W vs 33W
- Higher performance (92/100 vs 41/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 56/100)
What makes Redmi Note 9 Pro Max better?
- Better main camera: 64MP vs 50MP
- Lighter: 209g vs 227g
- Better camera (48/100 vs 37/100)
- Better portability (45/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Redmi Note 9 Pro Max, 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 41/100). In the "camera" category, the Redmi Note 9 Pro Max leads (48/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max (94/100 vs 56/100). In the "camera" category, the Redmi Note 9 Pro Max is a bit better (48/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max (78/100 vs 46/100). In the "portability" category, the Redmi Note 9 Pro Max is a bit better (45/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Redmi Note 9 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 720G | |
| AnTuTu | 3233695 | 517460 | |
| Geekbench Single | 3013 | 746 | |
| Geekbench Multi | 9287 | 1762 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | 5020 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | Android 10.0; MIUI 11 | |
| Brightness (peak) | 3500 nits | 450 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 165.5×76.7×8.8 mm | |
| Weight | 227 g | 209 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 9 Pro Max
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi Note 9 Pro Max
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: —
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi Note 9 Pro Max
- 5020 mAh
- Wired: 33W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Redmi Note 9 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi Note 9 Pro Max by 524.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi Note 9 Pro Max
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max (94/100 vs 56/100).
camera
In the "camera" category, the Redmi Note 9 Pro Max is a bit better (48/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max (78/100 vs 46/100).
portability
In the "portability" category, the Redmi Note 9 Pro Max is a bit better (45/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Redmi Note 9 Pro Max?
The Redmi K90 Ultra significantly outperforms the Redmi Note 9 Pro Max by 27 points (73/100 vs 46/100).
What is the rating of the Redmi K90 Ultra and the Redmi Note 9 Pro Max?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi Note 9 Pro Max — 46/100.
Which has the better camera: the Redmi K90 Ultra or the Redmi Note 9 Pro Max?
The Redmi Note 9 Pro Max leads on camera score (48/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Redmi Note 9 Pro Max?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Redmi K90 Ultra over the Redmi Note 9 Pro Max?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.