Infinix Smart 6 Plus (India) vs Redmi K90 Ultra
The Infinix Smart 6 Plus (India) (2022) runs on the MediaTek Helio G25, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 30/100 (a 43-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 163,723); the Redmi K90 Ultra has NFC for contactless payments, the Infinix Smart 6 Plus (India) doesn't; the Infinix Smart 6 Plus (India) is noticeably lighter (202g vs 227g).
Profile comparison
Category scores
Infinix Smart 6 Plus (India)
Redmi K90 Ultra
What makes Infinix Smart 6 Plus (India) better?
- Lighter: 202g vs 227g
- Better portability (50/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 163723
- Better Geekbench Single: 3013 vs 185
- Better Geekbench Multi: 9287 vs 521
- Bigger battery: 8550 vs 5000 mAh
- Higher performance (92/100 vs 9/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 37/100)
Comparison verdict
Comparing the Infinix Smart 6 Plus (India) vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 43 points higher (73/100 vs 30/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 9/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 6 Plus (India) (92/100 vs 9/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 6 Plus (India) (94/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Infinix Smart 6 Plus (India) is a bit better (50/100 vs 40/100).
Specs comparison
| Specification | Infinix Smart 6 Plus (India) | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G25 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 163723 | 3233695 | |
| Geekbench Single | 185 | 3013 | |
| Geekbench Multi | 521 | 9287 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1600 | 1280x2772 | |
| Refresh rate | — | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | — | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 3GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB | |
| OS | Android 12 (Go edition) | Android 16 | |
| Brightness (peak) | 440 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 172.6×77.7×8.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 202 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Infinix Smart 6 Plus (India)
- Main: —
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Infinix Smart 6 Plus (India)
- 6.8" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Infinix Smart 6 Plus (India)
- 5000 mAh
- Wireless charging: no data
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Infinix Smart 6 Plus (India) and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Infinix Smart 6 Plus (India) by 94.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Infinix Smart 6 Plus (India)
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 6 Plus (India) (92/100 vs 9/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Infinix Smart 6 Plus (India) (94/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Infinix Smart 6 Plus (India) is a bit better (50/100 vs 40/100).
Frequently asked questions
Which is better: the Infinix Smart 6 Plus (India) or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Infinix Smart 6 Plus (India) by 43 points (73/100 vs 30/100).
What is the rating of the Infinix Smart 6 Plus (India) and the Redmi K90 Ultra?
The Infinix Smart 6 Plus (India) has a MobileRank rating of 30/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Infinix Smart 6 Plus (India) or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 9/100).
Should you choose the Infinix Smart 6 Plus (India) over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.