Nubia Z50 Ultra vs Redmi K90 Ultra
The Nubia Z50 Ultra (2023) runs on the Qualcomm Snapdragon 8 Gen 2, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. Both devices score the same overall rating of 73/100. Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,842,269).
Profile comparison
Category scores
Nubia Z50 Ultra
Redmi K90 Ultra
What makes Nubia Z50 Ultra better?
- Better main camera: 64MP vs 50MP
- Better camera (86/100 vs 37/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1842269
- Better Geekbench Single: 3013 vs 2004
- Better Geekbench Multi: 9287 vs 5311
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 227g vs 228g
- Higher performance (92/100 vs 76/100)
- Longer battery life (78/100 vs 56/100)
- Better display (94/100 vs 80/100)
Comparison verdict
The Nubia Z50 Ultra and the Redmi K90 Ultra received the same MobileRank rating — 73/100. In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 76/100). In the "camera" category, the Nubia Z50 Ultra leads (86/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 56/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Nubia Z50 Ultra (92/100 vs 76/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the Nubia Z50 Ultra significantly outperforms the Redmi K90 Ultra (86/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Nubia Z50 Ultra (78/100 vs 56/100). In the "portability" category, both devices are on the same level — 40/100.
Specs comparison
| Specification | Nubia Z50 Ultra | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1842269 | 3233695 | |
| Geekbench Single | 2004 | 3013 | |
| Geekbench Multi | 5311 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1116x2480 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 64 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB / 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 13, MyOS 13 | Android 16 | |
| Brightness (peak) | 1500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 163.9×76.3×8.3 mm | 162.9×77.9×8.2 mm | |
| Weight | 228 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Nubia Z50 Ultra
- Main: 64MP f/1.6
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nubia Z50 Ultra
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Nubia Z50 Ultra
- 5000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nubia Z50 Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nubia Z50 Ultra by 43.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Nubia Z50 Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Nubia Z50 Ultra (92/100 vs 76/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the Nubia Z50 Ultra significantly outperforms the Redmi K90 Ultra (86/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Nubia Z50 Ultra (78/100 vs 56/100).
portability
In the "portability" category, both devices are on the same level — 40/100.
Frequently asked questions
Which is better: the Nubia Z50 Ultra or the Redmi K90 Ultra?
Both devices scored 73/100. The choice depends on your priorities: if performance matters more — go with the Redmi K90 Ultra (92/100 vs 76/100).
What is the rating of the Nubia Z50 Ultra and the Redmi K90 Ultra?
The Nubia Z50 Ultra has a MobileRank rating of 73/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nubia Z50 Ultra or the Redmi K90 Ultra?
The Nubia Z50 Ultra leads on camera score (86/100 vs 37/100).
Which is more powerful: the Nubia Z50 Ultra or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 76/100).
Should you choose the Nubia Z50 Ultra over the Redmi K90 Ultra?
The Nubia Z50 Ultra is a better fit for active users, mobile photography enthusiasts. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.