Infinix Smart3 Plus vs Redmi K90 Pro Max
The Infinix Smart3 Plus (2019) runs on the MediaTek Helio A22, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 18/100 (a 68-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 3500); the main camera is 13 MP vs 50 MP; the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 155,362); the Redmi K90 Pro Max has NFC for contactless payments, the Infinix Smart3 Plus doesn't; the Infinix Smart3 Plus is noticeably lighter (148g vs 210g).
Infinix Smart3 Plus
Redmi K90 Pro Max
- Lighter: 148g vs 210g
- Better portability (85/100 vs 54/100)
- Higher AnTuTu: 4119955 vs 155362
- Better Geekbench Single: 3640 vs 300
- Better Geekbench Multi: 11033 vs 486
- Bigger battery: 7560 vs 3500 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (98/100 vs 10/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (89/100 vs 15/100)
- Better display (81/100 vs 39/100)
Comparing the Infinix Smart3 Plus vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 68 points higher (86/100 vs 18/100). In the "performance" category, the Redmi K90 Pro Max leads (98/100 vs 10/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 15/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (98/100 vs 10/100). In the "display" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (81/100 vs 39/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (89/100 vs 15/100). In the "portability" category, the Infinix Smart3 Plus significantly outperforms the Redmi K90 Pro Max (85/100 vs 54/100).
| Specification | Infinix Smart3 Plus | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | MediaTek Helio A22 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 155362 | 4119955 | |
| Geekbench Single | 300 | 3640 | |
| Geekbench Multi | 486 | 11033 | |
| Display | 6.2" LTPS IPS LCD | 6.9" OLED | |
| Resolution | 720x1520 | 2608x1200 | |
| Refresh rate | — | 120 Hz | |
| Battery | 3500 mAh | 7560 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 3GB | 16GB | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie) | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 157.0×76.0×7.8 mm | 163.3×77.8×7.9 mm | |
| Weight | 148 g | 210 g | |
| Launch price | — | $561 |
Infinix Smart3 Plus
- Main: 13MP f/f/1.8
- Front: 8MP
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Infinix Smart3 Plus
- 6.2" LTPS IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Infinix Smart3 Plus
- 3500 mAh
- Wireless charging: no data
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
We compared Infinix Smart3 Plus and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Infinix Smart3 Plus by 96.2% in our overall performance rating.
Infinix Smart3 Plus
Price unknownperformance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (98/100 vs 10/100).
display
In the "display" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (81/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (78/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus (89/100 vs 15/100).
portability
In the "portability" category, the Infinix Smart3 Plus significantly outperforms the Redmi K90 Pro Max (85/100 vs 54/100).
Which is better: the Infinix Smart3 Plus or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the Infinix Smart3 Plus by 68 points (86/100 vs 18/100).
What is the rating of the Infinix Smart3 Plus and the Redmi K90 Pro Max?
The Infinix Smart3 Plus has a MobileRank rating of 18/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the Infinix Smart3 Plus or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 10/100).
Which is more powerful: the Infinix Smart3 Plus or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (98/100 vs 10/100).
Should you choose the Infinix Smart3 Plus over the Redmi K90 Pro Max?
The Infinix Smart3 Plus is a better fit for everyday use. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.