Infinix S4 vs Redmi K90 Max
The Infinix S4 (2019) runs on the MediaTek Helio P22, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 74/100 vs 22/100 (a 52-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4000); the main camera is 13 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 156,818); the Redmi K90 Max has NFC for contactless payments, the Infinix S4 doesn't; the Infinix S4 is noticeably lighter (154g vs 227g).
Infinix S4
Redmi K90 Max
- Lighter: 154g vs 227g
- Better portability (84/100 vs 41/100)
- Higher AnTuTu: 3803420 vs 156818
- Better Geekbench Single: 3228 vs 233
- Better Geekbench Multi: 9553 vs 723
- Bigger battery: 8550 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (95/100 vs 8/100)
- Better camera (37/100 vs 18/100)
- Longer battery life (78/100 vs 32/100)
- Better display (94/100 vs 37/100)
Comparing the Infinix S4 vs the Redmi K90 Max, the Redmi K90 Max scores 52 points higher (74/100 vs 22/100). In the "performance" category, the Redmi K90 Max leads (95/100 vs 8/100). In the "camera" category, the Redmi K90 Max leads (37/100 vs 18/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 32/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix S4 (95/100 vs 8/100). In the "display" category, the Redmi K90 Max significantly outperforms the Infinix S4 (94/100 vs 37/100). In the "camera" category, the Redmi K90 Max notably outperforms the Infinix S4 (37/100 vs 18/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix S4 (78/100 vs 32/100). In the "portability" category, the Infinix S4 significantly outperforms the Redmi K90 Max (84/100 vs 41/100).
| Specification | Infinix S4 | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Helio P22 | MediaTek Dimensity 9500 | |
| AnTuTu | 156818 | 3803420 | |
| Geekbench Single | 233 | 3228 | |
| Geekbench Multi | 723 | 9553 | |
| Display | 6.2" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1440 | 2772x1280 | |
| Refresh rate | — | 165 Hz | |
| Battery | 4000 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 3GB / 4GB | 12GB / 16GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie) | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP66 | |
| Dimensions | 156.0×75.0×7.9 mm | 162.9×77.9×8.1 mm | |
| Weight | 154 g | 227 g | |
| Launch price | — | $504 |
Infinix S4
- Main: 13MP
- Front: 32MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Infinix S4
- 6.2" IPS LCD
- Resolution: 720x1440
- Refresh rate: —
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Infinix S4
- 4000 mAh
- Wireless charging: no data
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Infinix S4 and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Infinix S4 by 95.9% in our overall performance rating.
Infinix S4
Price unknownperformance
In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix S4 (95/100 vs 8/100).
display
In the "display" category, the Redmi K90 Max significantly outperforms the Infinix S4 (94/100 vs 37/100).
camera
In the "camera" category, the Redmi K90 Max notably outperforms the Infinix S4 (37/100 vs 18/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix S4 (78/100 vs 32/100).
portability
In the "portability" category, the Infinix S4 significantly outperforms the Redmi K90 Max (84/100 vs 41/100).
Which is better: the Infinix S4 or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Infinix S4 by 52 points (74/100 vs 22/100).
What is the rating of the Infinix S4 and the Redmi K90 Max?
The Infinix S4 has a MobileRank rating of 22/100, the Redmi K90 Max — 74/100.
Which has the better camera: the Infinix S4 or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (37/100 vs 18/100).
Which is more powerful: the Infinix S4 or the Redmi K90 Max?
The Redmi K90 Max leads on performance (95/100 vs 8/100).
Should you choose the Infinix S4 over the Redmi K90 Max?
The Infinix S4 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.