Nubia NaviX Ultra vs Redmi K90 Ultra
The Nubia NaviX Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $845 and $420. By overall MobileRank rating, the Nubia NaviX Ultra leads — 92/100 vs 73/100 (a 19-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7100); the main camera is 200 MP vs 50 MP; the Nubia NaviX Ultra is faster in AnTuTu (3,950,082 vs 3,233,695); the Nubia NaviX Ultra is noticeably lighter (208g vs 227g).
Profile comparison
Category scores
Nubia NaviX Ultra
Redmi K90 Ultra
What makes Nubia NaviX Ultra better?
- Higher AnTuTu: 3950082 vs 3233695
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Better main camera: 200MP vs 50MP
- Lighter: 208g vs 227g
- Higher performance (98/100 vs 92/100)
- Better camera (96/100 vs 37/100)
- Longer battery life (85/100 vs 78/100)
- Better portability (59/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 7100 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 144Hz
- Cheaper at launch: $420 vs $845
- Overall rating 73/100
Comparison verdict
Comparing the Nubia NaviX Ultra vs the Redmi K90 Ultra, the Nubia NaviX Ultra scores 19 points higher (92/100 vs 73/100). In the "camera" category, the Nubia NaviX Ultra leads (96/100 vs 37/100). Value score: Nubia NaviX Ultra — 98/100, 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 Nubia NaviX Ultra is a bit better (98/100 vs 92/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Nubia NaviX Ultra significantly outperforms the Redmi K90 Ultra (96/100 vs 37/100). In the "battery" category, the Nubia NaviX Ultra is a bit better (85/100 vs 78/100). In the "portability" category, the Nubia NaviX Ultra notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Specs comparison
| Specification | Nubia NaviX Ultra | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3950082 | 3233695 | |
| Geekbench Single | 3639 | 3013 | |
| Geekbench Multi | 11047 | 9287 | |
| Display | 6.8" LTPO OLED | 6.8" AMOLED | |
| Resolution | 1260x2800 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 7100 mAh | 8550 mAh | |
| Charging | 90W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 64 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 4500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 162.1×75.7×7.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 208 g | 227 g | |
| Launch price | $845 | $420 |
Camera comparison
Nubia NaviX Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nubia NaviX Ultra
- 6.8" LTPO OLED
- Resolution: 1260x2800
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Nubia NaviX Ultra
- 7100 mAh
- Wired: 90W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nubia NaviX Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Nubia NaviX Ultra leads Redmi K90 Ultra by 22.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $425. Redmi K90 Ultra was $425 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Nubia NaviX Ultra is a bit better (98/100 vs 92/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, the Nubia NaviX Ultra significantly outperforms the Redmi K90 Ultra (96/100 vs 37/100).
battery
In the "battery" category, the Nubia NaviX Ultra is a bit better (85/100 vs 78/100).
portability
In the "portability" category, the Nubia NaviX Ultra notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Frequently asked questions
Which is better: the Nubia NaviX Ultra or the Redmi K90 Ultra?
The Nubia NaviX Ultra is noticeably better than the Redmi K90 Ultra — the overall rating gap is 19 points.
What is the rating of the Nubia NaviX Ultra and the Redmi K90 Ultra?
The Nubia NaviX Ultra has a MobileRank rating of 92/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nubia NaviX Ultra or the Redmi K90 Ultra?
The Nubia NaviX Ultra leads on camera score (96/100 vs 37/100).
Which is more powerful: the Nubia NaviX Ultra or the Redmi K90 Ultra?
The Nubia NaviX Ultra leads on performance (98/100 vs 92/100).
Should you choose the Nubia NaviX Ultra over the Redmi K90 Ultra?
The Nubia NaviX Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.