Poco F6 vs Redmi K90 Ultra
The Poco F6 (2024) runs on the Qualcomm Snapdragon 8s Gen 3, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $290 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 63/100 (a 10-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 1,704,455); the Poco F6 is noticeably lighter (179g vs 227g).
Profile comparison
Category scores
Poco F6
Redmi K90 Ultra
What makes Poco F6 better?
- Lighter: 179g vs 227g
- Cheaper at launch: $290 vs $420
- Better portability (72/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1704455
- Better Geekbench Single: 3013 vs 1930
- Better Geekbench Multi: 9287 vs 5017
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 74/100)
- Longer battery life (78/100 vs 58/100)
- Better display (94/100 vs 83/100)
Comparison verdict
Comparing the Poco F6 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 10 points higher (73/100 vs 63/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 74/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 58/100). Value score: Poco F6 — 66/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra notably outperforms the Poco F6 (92/100 vs 74/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco F6 (78/100 vs 58/100). In the "portability" category, the Poco F6 significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Specs comparison
| Specification | Poco F6 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8s Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1704455 | 3233695 | |
| Geekbench Single | 1930 | 3013 | |
| Geekbench Multi | 5017 | 9287 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 2712x1220 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 90W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 14 / HyperOS | Android 16 | |
| Brightness (peak) | 2400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 160.5×74.5×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 179 g | 227 g | |
| Launch price | $290 | $420 |
Camera comparison
Poco F6
- Main: 50MP f/1.6
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco F6
- 6.7" AMOLED
- Resolution: 2712x1220
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco F6
- 5000 mAh
- Wired: 90W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco F6 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco F6 by 47.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $130. Poco F6 was $130 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Poco F6 (92/100 vs 74/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco F6 (78/100 vs 58/100).
portability
In the "portability" category, the Poco F6 significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Frequently asked questions
Which is better: the Poco F6 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Poco F6 — the overall rating gap is 10 points.
What is the rating of the Poco F6 and the Redmi K90 Ultra?
The Poco F6 has a MobileRank rating of 63/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Poco F6 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 74/100).
Should you choose the Poco F6 over the Redmi K90 Ultra?
The Poco F6 is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.