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; estimated prices are $499 and $420. Both devices score the same overall rating of 61/100. Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8000); the Poco F8 is noticeably lighter (205g vs 227g).
Poco F8
Redmi K90 Ultra
- Lighter: 205g vs 227g
- Better design/ergonomics (43/100 vs 16/100)
- Bigger battery: 8550 vs 8000 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $499
- Longer battery life (77/100 vs 72/100)
- Better value for money (81/100 vs 75/100)
The Poco F8 and the Redmi K90 Ultra received the same MobileRank rating — 61/100. In the "performance" category, both devices are on the same level — 65/100. In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 32/100. In the "battery" category, the Redmi K90 Ultra is a bit better (77/100 vs 72/100). In the "design" category, the Poco F8 notably outperforms the Redmi K90 Ultra (43/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra is a bit better (81/100 vs 75/100).
| Specification | Poco F8 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2760000 | 2760000 | |
| Geekbench Single | 3050 | 3050 | |
| Geekbench Multi | 9300 | 9300 | |
| 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 | |
| Price | $499 | $420 |
Poco F8
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Poco F8
- 6.6" OLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Poco F8
- 8000 mAh
- Wired: 90W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Poco F8 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Price difference: $79. Redmi K90 Ultra is cheaper by $79.
performance
In the "performance" category, both devices are on the same level — 65/100.
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 32/100.
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (77/100 vs 72/100).
design
In the "design" category, the Poco F8 notably outperforms the Redmi K90 Ultra (43/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra is a bit better (81/100 vs 75/100).
Which is better: the Poco F8 or the Redmi K90 Ultra?
Both devices scored 61/100. The choice depends on your priorities: if performance matters more — go with the Redmi K90 Ultra.
What is the rating of the Poco F8 and the Redmi K90 Ultra?
The Poco F8 has a MobileRank rating of 61/100, the Redmi K90 Ultra — 61/100.
Should you choose the Poco F8 over the Redmi K90 Ultra?
The Poco F8 is a better fit for active users, budget-conscious buyers. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.