Nubia Z80 Ultra vs Redmi K90 Ultra
The Nubia Z80 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 $749 and $420. By overall MobileRank rating, the Nubia Z80 Ultra leads — 85/100 vs 73/100 (a 12-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Nubia Z80 Ultra is faster in AnTuTu (3,942,923 vs 3,233,695).
Profile comparison
Category scores
Nubia Z80 Ultra
Redmi K90 Ultra
What makes Nubia Z80 Ultra better?
- Higher AnTuTu: 3942923 vs 3233695
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Lighter: 225g vs 227g
- Higher performance (98/100 vs 92/100)
- Better camera (79/100 vs 37/100)
- Longer battery life (81/100 vs 78/100)
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $749
- Better display (94/100 vs 83/100)
- Better portability (40/100 vs 38/100)
Comparison verdict
Comparing the Nubia Z80 Ultra vs the Redmi K90 Ultra, the Nubia Z80 Ultra scores 12 points higher (85/100 vs 73/100). In the "camera" category, the Nubia Z80 Ultra leads (79/100 vs 37/100). Value score: Nubia Z80 Ultra — 84/100, 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 Z80 Ultra is a bit better (98/100 vs 92/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, the Nubia Z80 Ultra significantly outperforms the Redmi K90 Ultra (79/100 vs 37/100). In the "battery" category, the Nubia Z80 Ultra and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100). In the "portability" category, the Redmi K90 Ultra and the Nubia Z80 Ultra are nearly equal (40/100 vs 38/100).
Specs comparison
| Specification | Nubia Z80 Ultra | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3942923 | 3233695 | |
| Geekbench Single | 3639 | 3013 | |
| Geekbench Multi | 11047 | 9287 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2688x1216 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6500 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 80W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 64 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 2000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 164.5×77.2×8.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 225 g | 227 g | |
| Launch price | $749 | $420 |
Camera comparison
Nubia Z80 Ultra
- Main: 50MP f/1.59
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nubia Z80 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2688x1216
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Nubia Z80 Ultra
- 6500 mAh
- NanoReview test: web browsing 14:17 hrs, total 34:15 hrs
- Wired: 80W
- Wireless: 80W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nubia Z80 Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Nubia Z80 Ultra leads Redmi K90 Ultra by 21.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $329. Redmi K90 Ultra was $329 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Nubia Z80 Ultra is a bit better (98/100 vs 92/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, the Nubia Z80 Ultra significantly outperforms the Redmi K90 Ultra (79/100 vs 37/100).
battery
In the "battery" category, the Nubia Z80 Ultra and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100).
portability
In the "portability" category, the Redmi K90 Ultra and the Nubia Z80 Ultra are nearly equal (40/100 vs 38/100).
Frequently asked questions
Which is better: the Nubia Z80 Ultra or the Redmi K90 Ultra?
The Nubia Z80 Ultra is noticeably better than the Redmi K90 Ultra — the overall rating gap is 12 points.
What is the rating of the Nubia Z80 Ultra and the Redmi K90 Ultra?
The Nubia Z80 Ultra has a MobileRank rating of 85/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nubia Z80 Ultra or the Redmi K90 Ultra?
The Nubia Z80 Ultra leads on camera score (79/100 vs 37/100).
Which is more powerful: the Nubia Z80 Ultra or the Redmi K90 Ultra?
The Nubia Z80 Ultra leads on performance (98/100 vs 92/100).
Should you choose the Nubia Z80 Ultra over the Redmi K90 Ultra?
The Nubia Z80 Ultra is a better fit for gamers and power users, 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.