Poco C75 5G vs Redmi K90 Ultra
The Poco C75 5G (2024) runs on the Qualcomm Snapdragon 4s Gen 2, 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 42/100 (a 31-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 506,757); the Redmi K90 Ultra has NFC for contactless payments, the Poco C75 5G doesn't; the Poco C75 5G is noticeably lighter (212g vs 227g).
Profile comparison
Category scores
Poco C75 5G
Redmi K90 Ultra
What makes Poco C75 5G better?
- Lighter: 212g vs 227g
- Better portability (50/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 506757
- Better Geekbench Single: 3013 vs 838
- Better Geekbench Multi: 9287 vs 1899
- Bigger battery: 8550 vs 5160 mAh
- Faster charging: 100W vs 18W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 43/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Poco C75 5G vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 31 points higher (73/100 vs 42/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 43/100). 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 5G (92/100 vs 43/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Poco C75 5G (94/100 vs 55/100). 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 Poco C75 5G (78/100 vs 46/100). In the "portability" category, the Poco C75 5G is a bit better (50/100 vs 40/100).
Specs comparison
| Specification | Poco C75 5G | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 4s Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 506757 | 3233695 | |
| Geekbench Single | 838 | 3013 | |
| Geekbench Multi | 1899 | 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 | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB | |
| OS | Android 14, up to 2 major Android upgrades, HyperOS | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 171.9×77.8×8.2 mm | 162.9×77.9×8.2 mm | |
| Weight | 212 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Poco C75 5G
- Main: 50MP f/1.8
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco C75 5G
- 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 5G
- 5160 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco C75 5G and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco C75 5G by 84.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco C75 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco C75 5G (92/100 vs 43/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Poco C75 5G (94/100 vs 55/100).
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 Poco C75 5G (78/100 vs 46/100).
portability
In the "portability" category, the Poco C75 5G is a bit better (50/100 vs 40/100).
Frequently asked questions
Which is better: the Poco C75 5G or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Poco C75 5G by 31 points (73/100 vs 42/100).
What is the rating of the Poco C75 5G and the Redmi K90 Ultra?
The Poco C75 5G has a MobileRank rating of 42/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Poco C75 5G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Poco C75 5G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 43/100).
Should you choose the Poco C75 5G over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.