Infinix Smart 7 HD vs Redmi K90 Ultra
The Infinix Smart 7 HD (2023) runs on the Unisoc Tiger T606, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 61/100 vs 10/100 (a 51-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra has NFC for contactless payments, the Infinix Smart 7 HD doesn't; the Infinix Smart 7 HD is noticeably lighter (196g vs 227g).
Infinix Smart 7 HD
Redmi K90 Ultra
- Lighter: 196g vs 227g
- Better design/ergonomics (55/100 vs 16/100)
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 10W
- Higher performance (65/100 vs 0/100)
- Better camera (32/100 vs 0/100)
- Longer battery life (77/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better value for money (81/100 vs 55/100)
Comparing the Infinix Smart 7 HD vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 51 points higher (61/100 vs 10/100). In the "performance" category, the Redmi K90 Ultra leads (65/100 vs 0/100). In the "camera" category, the Redmi K90 Ultra leads (32/100 vs 0/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 36/100). In the "value for money" category, the Redmi K90 Ultra leads (81/100 vs 55/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (65/100 vs 0/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (100/100 vs 0/100). In the "camera" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (32/100 vs 0/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (77/100 vs 36/100). In the "design" category, the Infinix Smart 7 HD significantly outperforms the Redmi K90 Ultra (55/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Infinix Smart 7 HD (81/100 vs 55/100).
| Specification | Infinix Smart 7 HD | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Unisoc Tiger T606 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 2760000 | |
| Geekbench Single | — | 3050 | |
| Geekbench Multi | — | 9300 | |
| Display | 6.6" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1612 | 1280x2772 | |
| Refresh rate | — | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 10W | 100W | |
| Main camera | — | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 2GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB | |
| OS | Android 12 (Go edition) | Android 16 | |
| Brightness (peak) | 500 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 163.9×75.5×8.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 196 g | 227 g | |
| Price | — | $420 |
Infinix Smart 7 HD
- Main: —
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Infinix Smart 7 HD
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: —
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Infinix Smart 7 HD
- 5000 mAh
- Wired: 10W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Infinix Smart 7 HD
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (65/100 vs 0/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (32/100 vs 0/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD (77/100 vs 36/100).
design
In the "design" category, the Infinix Smart 7 HD significantly outperforms the Redmi K90 Ultra (55/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the Infinix Smart 7 HD (81/100 vs 55/100).
Which is better: the Infinix Smart 7 HD or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Infinix Smart 7 HD by 51 points (61/100 vs 10/100).
What is the rating of the Infinix Smart 7 HD and the Redmi K90 Ultra?
The Infinix Smart 7 HD has a MobileRank rating of 10/100, the Redmi K90 Ultra — 61/100.
Which has the better camera: the Infinix Smart 7 HD or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (32/100 vs 0/100).
Which is more powerful: the Infinix Smart 7 HD or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (65/100 vs 0/100).
Should you choose the Infinix Smart 7 HD over the Redmi K90 Ultra?
The Infinix Smart 7 HD is a better fit for everyday use. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.