Nubia Z40S Pro vs Redmi K90 Ultra
The Nubia Z40S Pro (2022) runs on the Qualcomm Snapdragon 8+ 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 69/100 (a 4-point difference). 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 (3,119,308 vs 1,425,446); the Nubia Z40S Pro is noticeably lighter (205g vs 227g).
Nubia Z40S Pro
Redmi K90 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 205g vs 227g
- Better camera (63/100 vs 37/100)
- Better portability (54/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 1425446
- Better Geekbench Single: 3041 vs 1761
- Better Geekbench Multi: 9494 vs 4688
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (92/100 vs 71/100)
- Longer battery life (78/100 vs 64/100)
- Better display (94/100 vs 89/100)
Comparing the Nubia Z40S Pro vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 4 points higher (73/100 vs 69/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 71/100). In the "camera" category, the Nubia Z40S Pro leads (63/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Nubia Z40S Pro (92/100 vs 71/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Nubia Z40S Pro notably outperforms the Redmi K90 Ultra (63/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100). In the "portability" category, the Nubia Z40S Pro is a bit better (54/100 vs 40/100).
| Specification | Nubia Z40S Pro | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8+ Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1425446 | 3119308 | |
| Geekbench Single | 1761 | 3041 | |
| Geekbench Multi | 4688 | 9494 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 8 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB / 12GB / 18GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 12, MyOS 12 | Android 16 | |
| Brightness (peak) | 1000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 161.3×74.0×8.1 mm | 162.9×77.9×8.2 mm | |
| Weight | 205 g | 227 g | |
| Launch price | — | $420 |
Nubia Z40S Pro
- Main: 64MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Nubia Z40S Pro
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Nubia Z40S Pro
- 5000 mAh
- Wired: 80W
- Wireless: 15W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Nubia Z40S Pro and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nubia Z40S Pro by 54.3% in our overall performance rating.
Nubia Z40S Pro
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Nubia Z40S Pro (92/100 vs 71/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Nubia Z40S Pro notably outperforms the Redmi K90 Ultra (63/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100).
portability
In the "portability" category, the Nubia Z40S Pro is a bit better (54/100 vs 40/100).
Which is better: the Nubia Z40S Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the Nubia Z40S Pro by just 4 points — the two devices are very close in overall level.
What is the rating of the Nubia Z40S Pro and the Redmi K90 Ultra?
The Nubia Z40S Pro has a MobileRank rating of 69/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nubia Z40S Pro or the Redmi K90 Ultra?
The Nubia Z40S Pro leads on camera score (63/100 vs 37/100).
Which is more powerful: the Nubia Z40S Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 71/100).
Should you choose the Nubia Z40S Pro over the Redmi K90 Ultra?
The Nubia Z40S Pro is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.