Poco F8 vs Redmi K90 Ultra
The Poco F8 (2026) runs on the Snapdragon 8 Elite, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $499 and $420. By overall MobileRank rating, the Poco F8 leads — 74/100 vs 73/100 (a 1-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 3,126,402); the Poco F8 is noticeably lighter (205g vs 227g).
Profile comparison
Category scores
Poco F8
Redmi K90 Ultra
What makes Poco F8 better?
- Lighter: 205g vs 227g
- Longer battery life (86/100 vs 78/100)
- Better portability (54/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 3126402
- Bigger battery: 8550 vs 8000 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $499
- Higher performance (92/100 vs 91/100)
- Better display (94/100 vs 90/100)
Comparison verdict
Comparing the Poco F8 vs the Redmi K90 Ultra, the Poco F8 scores 1 points higher (74/100 vs 73/100). Value score: Poco F8 — 70/100, 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 and the Poco F8 are nearly equal (92/100 vs 91/100). In the "display" category, the Redmi K90 Ultra and the Poco F8 are nearly equal (94/100 vs 90/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Poco F8 is a bit better (86/100 vs 78/100). In the "portability" category, the Poco F8 is a bit better (54/100 vs 40/100).
Specs comparison
| Specification | Poco F8 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3126402 | 3233695 | |
| Geekbench Single | 3013 | 3013 | |
| Geekbench Multi | 9287 | 9287 | |
| Display | 6.6" OLED | 6.8" AMOLED | |
| Resolution | 3200x1440 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 8000 mAh | 8550 mAh | |
| Charging | 90W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | — | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | 205 g | 227 g | |
| Launch price | $499 | $420 |
Camera comparison
Poco F8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco F8
- 6.6" OLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco F8
- 8000 mAh
- Wired: 90W
- Wireless charging: no data
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco F8 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco F8 by 3.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $79. Redmi K90 Ultra was $79 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the Poco F8 are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Redmi K90 Ultra and the Poco F8 are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Poco F8 is a bit better (86/100 vs 78/100).
portability
In the "portability" category, the Poco F8 is a bit better (54/100 vs 40/100).
Frequently asked questions
Which is better: the Poco F8 or the Redmi K90 Ultra?
The Poco F8 edges out the Redmi K90 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the Poco F8 and the Redmi K90 Ultra?
The Poco F8 has a MobileRank rating of 74/100, the Redmi K90 Ultra — 73/100.
Should you choose the Poco F8 over the Redmi K90 Ultra?
The Poco F8 is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.