Nubia Flip vs Redmi K90 Ultra
The Nubia Flip (2024) runs on the Qualcomm Snapdragon 7 Gen 1, 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 49/100 (a 24-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4310); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 840,330); the Nubia Flip is thinner (7.0mm vs 8.2mm).
Nubia Flip
Redmi K90 Ultra
- Lighter: 214g vs 227g
- Better portability (61/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 840330
- Better Geekbench Single: 3041 vs 1039
- Better Geekbench Multi: 9494 vs 2885
- Bigger battery: 8550 vs 4310 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 55/100)
- Better camera (37/100 vs 32/100)
- Longer battery life (78/100 vs 31/100)
- Better display (94/100 vs 83/100)
Comparing the Nubia Flip vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 24 points higher (73/100 vs 49/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 31/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nubia Flip (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Nubia Flip (78/100 vs 31/100). In the "portability" category, the Nubia Flip notably outperforms the Redmi K90 Ultra (61/100 vs 40/100).
| Specification | Nubia Flip | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 840330 | 3119308 | |
| Geekbench Single | 1039 | 3041 | |
| Geekbench Multi | 2885 | 9494 | |
| Display | 6.9" Foldable OLED | 6.8" AMOLED | |
| Resolution | 1188x2790 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 4310 mAh | 8550 mAh | |
| Charging | 33W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 13 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 170.0×75.5×7.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 214 g | 227 g | |
| Launch price | — | $420 |
Nubia Flip
- Main: 50MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Nubia Flip
- 6.9" Foldable OLED
- Resolution: 1188x2790
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Nubia Flip
- 4310 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Nubia Flip and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nubia Flip by 73.1% in our overall performance rating.
Nubia Flip
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nubia Flip (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Nubia Flip (78/100 vs 31/100).
portability
In the "portability" category, the Nubia Flip notably outperforms the Redmi K90 Ultra (61/100 vs 40/100).
Which is better: the Nubia Flip or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Nubia Flip by 24 points (73/100 vs 49/100).
What is the rating of the Nubia Flip and the Redmi K90 Ultra?
The Nubia Flip has a MobileRank rating of 49/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nubia Flip or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 32/100).
Which is more powerful: the Nubia Flip or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Nubia Flip over the Redmi K90 Ultra?
The Nubia Flip is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.