Poco F9 Ultra vs Redmi K90
The Poco F9 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Poco F9 Ultra leads — 90/100 vs 76/100 (a 14-point difference). Key differences: the Poco F9 Ultra has the bigger battery (8050 mAh vs 7100); the main camera is 200 MP vs 50 MP; the Poco F9 Ultra is faster in AnTuTu (4,165,108 vs 3,077,585); the Redmi K90 is noticeably lighter (206g vs 238g).
Profile comparison
Category scores
Poco F9 Ultra
Redmi K90
What makes Poco F9 Ultra better?
- Higher AnTuTu: 4165108 vs 3077585
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 8050 vs 7100 mAh
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 185Hz vs 120Hz
- Higher performance (98/100 vs 91/100)
- Better camera (90/100 vs 58/100)
- Longer battery life (91/100 vs 72/100)
- Better display (91/100 vs 82/100)
What makes Redmi K90 better?
- Lighter: 206g vs 238g
- Better portability (55/100 vs 31/100)
Comparison verdict
Comparing the Poco F9 Ultra vs the Redmi K90, the Poco F9 Ultra scores 14 points higher (90/100 vs 76/100). In the "camera" category, the Poco F9 Ultra leads (90/100 vs 58/100). In the "battery" category, the Poco F9 Ultra leads (91/100 vs 72/100). In the "performance" category, the Poco F9 Ultra is a bit better (98/100 vs 91/100). In the "display" category, the Poco F9 Ultra is a bit better (91/100 vs 82/100). In the "camera" category, the Poco F9 Ultra significantly outperforms the Redmi K90 (90/100 vs 58/100). In the "battery" category, the Poco F9 Ultra notably outperforms the Redmi K90 (91/100 vs 72/100). In the "portability" category, the Redmi K90 notably outperforms the Poco F9 Ultra (55/100 vs 31/100).
Specs comparison
| Specification | Poco F9 Ultra | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 4165108 | 3077585 | |
| Geekbench Single | 3639 | 3013 | |
| Geekbench Multi | 11047 | 9287 | |
| Display | 6.9" AMOLED | 6.6" AMOLED | |
| Resolution | 1200x2608 | 2510x1156 | |
| Refresh rate | 185 Hz | 120 Hz | |
| Battery | 8050 mAh | 7100 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16, HyperOS 3 | Android 16 | |
| Brightness (peak) | 4500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.5×78.0×8.5 mm | 157.5×75.3×8.0 mm | |
| Weight | 238 g | 206 g | |
| Launch price | — | $401 |
Camera comparison
Poco F9 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Poco F9 Ultra
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Poco F9 Ultra
- 8050 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco F9 Ultra and Redmi K90, covering their specs and all relevant benchmarks.
Poco F9 Ultra leads Redmi K90 by 35.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco F9 Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the Poco F9 Ultra is a bit better (98/100 vs 91/100).
display
In the "display" category, the Poco F9 Ultra is a bit better (91/100 vs 82/100).
camera
In the "camera" category, the Poco F9 Ultra significantly outperforms the Redmi K90 (90/100 vs 58/100).
battery
In the "battery" category, the Poco F9 Ultra notably outperforms the Redmi K90 (91/100 vs 72/100).
portability
In the "portability" category, the Redmi K90 notably outperforms the Poco F9 Ultra (55/100 vs 31/100).
Frequently asked questions
Which is better: the Poco F9 Ultra or the Redmi K90?
The Poco F9 Ultra is noticeably better than the Redmi K90 — the overall rating gap is 14 points.
What is the rating of the Poco F9 Ultra and the Redmi K90?
The Poco F9 Ultra has a MobileRank rating of 90/100, the Redmi K90 — 76/100.
Which has the better camera: the Poco F9 Ultra or the Redmi K90?
The Poco F9 Ultra leads on camera score (90/100 vs 58/100).
Which is more powerful: the Poco F9 Ultra or the Redmi K90?
The Poco F9 Ultra leads on performance (98/100 vs 91/100).
Should you choose the Poco F9 Ultra over the Redmi K90?
The Poco F9 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.