Infinix Smart 20 vs Redmi K90 Max
The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $149 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 33/100 (a 42-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5200); the main camera is 8 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 358,608).
Profile comparison
Category scores
Infinix Smart 20
Redmi K90 Max
What makes Infinix Smart 20 better?
- Cheaper at launch: $149 vs $504
- Better portability (68/100 vs 41/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 358608
- Better Geekbench Single: 3293 vs 432
- Better Geekbench Multi: 10243 vs 1416
- Bigger battery: 8550 vs 5200 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (96/100 vs 30/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 48/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Infinix Smart 20 vs the Redmi K90 Max, the Redmi K90 Max scores 42 points higher (75/100 vs 33/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 30/100). In the "camera" category, the Redmi K90 Max leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 48/100). Value score: Infinix Smart 20 — 40/100, Redmi K90 Max — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (96/100 vs 30/100). In the "display" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Max notably outperforms the Infinix Smart 20 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (78/100 vs 48/100). In the "portability" category, the Infinix Smart 20 notably outperforms the Redmi K90 Max (68/100 vs 41/100).
Specs comparison
| Specification | Infinix Smart 20 | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultimate | MediaTek Dimensity 9500 | |
| AnTuTu | 358608 | 3760662 | |
| Geekbench Single | 432 | 3293 | |
| Geekbench Multi | 1416 | 10243 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 1576x720 | 2772x1280 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5200 mAh | 8550 mAh | |
| Charging | 15W | 100W | |
| Main camera | 8 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 700 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP66 | |
| Dimensions | 167.7×78.8×7.7 mm | 162.9×77.9×8.1 mm | |
| Weight | — | 227 g | |
| Launch price | $149 | $504 |
Camera comparison
Infinix Smart 20
- Main: 8MP f/2.0
- Front: 8MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Infinix Smart 20
- 6.8" IPS LCD
- Resolution: 1576x720
- Refresh rate: 120 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
Infinix Smart 20
- 5200 mAh
- Wired: 15W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Infinix Smart 20 and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Infinix Smart 20 by 90.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $355. Infinix Smart 20 was $355 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (96/100 vs 30/100).
display
In the "display" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Max notably outperforms the Infinix Smart 20 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (78/100 vs 48/100).
portability
In the "portability" category, the Infinix Smart 20 notably outperforms the Redmi K90 Max (68/100 vs 41/100).
Frequently asked questions
Which is better: the Infinix Smart 20 or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Infinix Smart 20 by 42 points (75/100 vs 33/100).
What is the rating of the Infinix Smart 20 and the Redmi K90 Max?
The Infinix Smart 20 has a MobileRank rating of 33/100, the Redmi K90 Max — 75/100.
Which has the better camera: the Infinix Smart 20 or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (37/100 vs 10/100).
Which is more powerful: the Infinix Smart 20 or the Redmi K90 Max?
The Redmi K90 Max leads on performance (96/100 vs 30/100).
Should you choose the Infinix Smart 20 over the Redmi K90 Max?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.