Realme C65 4G vs Redmi K90 Ultra
The Realme C65 4G (2024) runs on the MediaTek Helio G85, 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 36/100 (a 37-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 348,562); the Realme C65 4G is noticeably lighter (185g vs 227g).
Profile comparison
Category scores
Realme C65 4G
Redmi K90 Ultra
What makes Realme C65 4G better?
- Lighter: 185g vs 227g
- Better portability (72/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 348562
- Better Geekbench Single: 3013 vs 419
- Better Geekbench Multi: 9287 vs 1461
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 29/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 48/100)
- Better display (94/100 vs 43/100)
Comparison verdict
Comparing the Realme C65 4G vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 37 points higher (73/100 vs 36/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme C65 4G (92/100 vs 29/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Realme C65 4G (94/100 vs 43/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme C65 4G (78/100 vs 48/100). In the "portability" category, the Realme C65 4G significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Specs comparison
| Specification | Realme C65 4G | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G85 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 348562 | 3233695 | |
| Geekbench Single | 419 | 3013 | |
| Geekbench Multi | 1461 | 9287 | |
| Display | 6.7" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1604 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 14, Realme UI 5.0 | Android 16 | |
| Brightness (peak) | 625 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 164.6×76.1×7.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 185 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Realme C65 4G
- Main: 50MP f/1.8
- Front: 8MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme C65 4G
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Realme C65 4G
- 5000 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme C65 4G and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme C65 4G by 89.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C65 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme C65 4G (92/100 vs 29/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Realme C65 4G (94/100 vs 43/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme C65 4G (78/100 vs 48/100).
portability
In the "portability" category, the Realme C65 4G significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Frequently asked questions
Which is better: the Realme C65 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Realme C65 4G by 37 points (73/100 vs 36/100).
What is the rating of the Realme C65 4G and the Redmi K90 Ultra?
The Realme C65 4G has a MobileRank rating of 36/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Realme C65 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Realme C65 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 29/100).
Should you choose the Realme C65 4G over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.