Infinix Zero Ultra vs Redmi K90 Max
The Infinix Zero Ultra (2022) runs on the MediaTek Dimensity 920, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 37/100 (a 30-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4500); the main camera is 200 MP vs 50 MP; the Redmi K90 Max has NFC for contactless payments, the Infinix Zero Ultra doesn't.
Infinix Zero Ultra
Redmi K90 Max
- Faster charging: 180W vs 100W
- Better main camera: 200MP vs 50MP
- Lighter: 213g vs 227g
- Better camera (54/100 vs 32/100)
- Better design/ergonomics (33/100 vs 16/100)
- Bigger battery: 8550 vs 4500 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (82/100 vs 0/100)
- Longer battery life (77/100 vs 49/100)
- Better value for money (75/100 vs 55/100)
Comparing the Infinix Zero Ultra vs the Redmi K90 Max, the Redmi K90 Max scores 30 points higher (67/100 vs 37/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 0/100). In the "camera" category, the Infinix Zero Ultra leads (54/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 49/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 55/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Zero Ultra (82/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Infinix Zero Ultra notably outperforms the Redmi K90 Max (54/100 vs 32/100). In the "battery" category, the Redmi K90 Max notably outperforms the Infinix Zero Ultra (77/100 vs 49/100). In the "design" category, the Infinix Zero Ultra notably outperforms the Redmi K90 Max (33/100 vs 16/100). In the "value for money" category, the Redmi K90 Max notably outperforms the Infinix Zero Ultra (75/100 vs 55/100).
| Specification | Infinix Zero Ultra | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | MediaTek Dimensity 9500 | |
| AnTuTu | — | 3803420 | |
| Geekbench Single | — | 3228 | |
| Geekbench Multi | — | 9553 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 2772x1280 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 4500 mAh | 8550 mAh | |
| Charging | 180W | 100W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 12, XOS 12 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP66 | |
| Dimensions | 165.5×74.5×8.8 mm | 162.9×77.9×8.1 mm | |
| Weight | 213 g | 227 g | |
| Price | — | $504 |
Infinix Zero Ultra
- Main: 200MP f/f/2.0
- Ultrawide: 13MP
- Front: 32MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Infinix Zero Ultra
- 6.8" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Infinix Zero Ultra
- 4500 mAh
- Wired: 180W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Infinix Zero Ultra
Price unknownperformance
In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Zero Ultra (82/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Infinix Zero Ultra notably outperforms the Redmi K90 Max (54/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Infinix Zero Ultra (77/100 vs 49/100).
design
In the "design" category, the Infinix Zero Ultra notably outperforms the Redmi K90 Max (33/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max notably outperforms the Infinix Zero Ultra (75/100 vs 55/100).
Which is better: the Infinix Zero Ultra or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Infinix Zero Ultra by 30 points (67/100 vs 37/100).
What is the rating of the Infinix Zero Ultra and the Redmi K90 Max?
The Infinix Zero Ultra has a MobileRank rating of 37/100, the Redmi K90 Max — 67/100.
Which has the better camera: the Infinix Zero Ultra or the Redmi K90 Max?
The Infinix Zero Ultra leads on camera score (54/100 vs 32/100).
Which is more powerful: the Infinix Zero Ultra or the Redmi K90 Max?
The Redmi K90 Max leads on performance (82/100 vs 0/100).
Should you choose the Infinix Zero Ultra over the Redmi K90 Max?
The Infinix Zero Ultra is a better fit for everyday use. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.