Nubia Z70S Ultra vs Redmi K90 Max
The Nubia Z70S Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $600 and $504. By overall MobileRank rating, the Nubia Z70S Ultra leads — 81/100 vs 75/100 (a 6-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 6600); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 3,228,937).
Profile comparison
Category scores
Nubia Z70S Ultra
Redmi K90 Max
What makes Nubia Z70S Ultra better?
- Better camera (79/100 vs 37/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 3228937
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Bigger battery: 8550 vs 6600 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 144Hz
- Lighter: 227g vs 228g
- Cheaper at launch: $504 vs $600
- Higher performance (96/100 vs 92/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 93/100)
- Better portability (41/100 vs 36/100)
Comparison verdict
Comparing the Nubia Z70S Ultra vs the Redmi K90 Max, the Nubia Z70S Ultra scores 6 points higher (81/100 vs 75/100). In the "camera" category, the Nubia Z70S Ultra leads (79/100 vs 37/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 66/100). Value score: Nubia Z70S Ultra — 76/100, Redmi K90 Max — 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 Redmi K90 Max and the Nubia Z70S Ultra are nearly equal (96/100 vs 92/100). In the "display" category, the Redmi K90 Max and the Nubia Z70S Ultra are nearly equal (94/100 vs 93/100). In the "camera" category, the Nubia Z70S Ultra significantly outperforms the Redmi K90 Max (79/100 vs 37/100). In the "battery" category, the Redmi K90 Max is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi K90 Max is a bit better (41/100 vs 36/100).
Specs comparison
| Specification | Nubia Z70S Ultra | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 3228937 | 3760662 | |
| Geekbench Single | 3013 | 3293 | |
| Geekbench Multi | 9287 | 10243 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1216x2688 | 2772x1280 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 6600 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| 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 / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 2000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP66 | |
| Dimensions | 164.3×77.1×8.6 mm | 162.9×77.9×8.1 mm | |
| Weight | 228 g | 227 g | |
| Launch price | $600 | $504 |
Camera comparison
Nubia Z70S Ultra
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nubia Z70S Ultra
- 6.8" AMOLED
- Resolution: 1216x2688
- Refresh rate: 144 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
Nubia Z70S Ultra
- 6600 mAh
- NanoReview test: web browsing 7:53 hrs, total 22:56 hrs
- Wired: 80W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nubia Z70S Ultra and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Nubia Z70S Ultra by 14.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $96. Redmi K90 Max was $96 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Max and the Nubia Z70S Ultra are nearly equal (96/100 vs 92/100).
display
In the "display" category, the Redmi K90 Max and the Nubia Z70S Ultra are nearly equal (94/100 vs 93/100).
camera
In the "camera" category, the Nubia Z70S Ultra significantly outperforms the Redmi K90 Max (79/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Max is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Redmi K90 Max is a bit better (41/100 vs 36/100).
Frequently asked questions
Which is better: the Nubia Z70S Ultra or the Redmi K90 Max?
The Nubia Z70S Ultra edges out the Redmi K90 Max by just 6 points — the two devices are very close in overall level.
What is the rating of the Nubia Z70S Ultra and the Redmi K90 Max?
The Nubia Z70S Ultra has a MobileRank rating of 81/100, the Redmi K90 Max — 75/100.
Which has the better camera: the Nubia Z70S Ultra or the Redmi K90 Max?
The Nubia Z70S Ultra leads on camera score (79/100 vs 37/100).
Should you choose the Nubia Z70S Ultra over the Redmi K90 Max?
The Nubia Z70S Ultra is a better fit for gamers and power users, budget-conscious buyers. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.