Poco C75 vs Redmi K90 Ultra
The Poco C75 (2024) runs on the MediaTek Helio G81 Ultra, 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 37/100 (a 36-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5160); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 358,608); the Poco C75 is noticeably lighter (204g vs 227g).
Profile comparison
Category scores
Poco C75
Redmi K90 Ultra
What makes Poco C75 better?
- Lighter: 204g vs 227g
- Better portability (55/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 358608
- Better Geekbench Single: 3013 vs 432
- Better Geekbench Multi: 9287 vs 1416
- Bigger battery: 8550 vs 5160 mAh
- Faster charging: 100W vs 18W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 30/100)
- Better camera (37/100 vs 31/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Poco C75 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 36 points higher (73/100 vs 37/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (92/100 vs 30/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 31/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (78/100 vs 46/100). In the "portability" category, the Poco C75 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Specs comparison
| Specification | Poco C75 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 358608 | 3233695 | |
| Geekbench Single | 432 | 3013 | |
| Geekbench Multi | 1416 | 9287 | |
| Display | 6.9" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1640 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5160 mAh | 8550 mAh | |
| Charging | 18W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 13 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 14, HyperOS | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 171.9×77.8×8.2 mm | 162.9×77.9×8.2 mm | |
| Weight | 204 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Poco C75
- Main: 50MP f/1.8
- Front: 13MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco C75
- 6.9" IPS LCD
- Resolution: 720x1640
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco C75
- 5160 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco C75 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco C75 by 88.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco C75
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (92/100 vs 30/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 31/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (78/100 vs 46/100).
portability
In the "portability" category, the Poco C75 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Frequently asked questions
Which is better: the Poco C75 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Poco C75 by 36 points (73/100 vs 37/100).
What is the rating of the Poco C75 and the Redmi K90 Ultra?
The Poco C75 has a MobileRank rating of 37/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Poco C75 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 31/100).
Which is more powerful: the Poco C75 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 30/100).
Should you choose the Poco C75 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.