Nubia Z70S Ultra vs Redmi K90 Pro Max
The Nubia Z70S Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $799 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 84/100 vs 70/100 (a 14-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 6600); the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 3,228,937); the Redmi K90 Pro Max is noticeably lighter (210g vs 228g).
Nubia Z70S Ultra
Redmi K90 Pro Max
- Higher refresh rate: 144Hz vs 120Hz
- Overall rating 70/100
- Higher AnTuTu: 4119955 vs 3228937
- Better Geekbench Single: 3640 vs 3050
- Better Geekbench Multi: 11033 vs 9300
- Bigger battery: 7560 vs 6600 mAh
- Faster charging: 100W vs 80W
- Lighter: 210g vs 228g
- Cheaper: $561 vs $799
- Higher performance (94/100 vs 71/100)
- Longer battery life (82/100 vs 63/100)
- Better design/ergonomics (37/100 vs 15/100)
- Better value for money (71/100 vs 55/100)
Comparing the Nubia Z70S Ultra vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 14 points higher (84/100 vs 70/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 71/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 63/100). In the "value for money" category, the Redmi K90 Pro Max leads (71/100 vs 55/100). In the "performance" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (94/100 vs 71/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 74/100. In the "battery" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (82/100 vs 63/100). In the "design" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (37/100 vs 15/100). In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (71/100 vs 55/100).
| Specification | Nubia Z70S Ultra | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3228937 | 4119955 | |
| Geekbench Single | 3050 | 3640 | |
| Geekbench Multi | 9300 | 11033 | |
| Display | 6.8" AMOLED | 6.9" OLED | |
| Resolution | 1216x2688 | 2608x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 6600 mAh | 7560 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15, Nebula AIOS 1.5 | Android 16 | |
| Brightness (peak) | 2000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 164.3×77.1×8.6 mm | 163.3×77.8×7.9 mm | |
| Weight | 228 g | 210 g | |
| Price | $799 | $561 |
Nubia Z70S Ultra
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Nubia Z70S Ultra
- 6.8" AMOLED
- Resolution: 1216x2688
- Refresh rate: 144 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Nubia Z70S Ultra
- 6600 mAh
- NanoReview test: web browsing 7:53 hrs, total 22:56 hrs
- Wired: 80W
- No wireless charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
We compared Nubia Z70S Ultra and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Nubia Z70S Ultra by 21.6% in our overall performance rating.
Price difference: $238. Redmi K90 Pro Max is cheaper by $238.
performance
In the "performance" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (94/100 vs 71/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 74/100.
battery
In the "battery" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (82/100 vs 63/100).
design
In the "design" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (37/100 vs 15/100).
value for money
In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Nubia Z70S Ultra (71/100 vs 55/100).
Which is better: the Nubia Z70S Ultra or the Redmi K90 Pro Max?
The Redmi K90 Pro Max is noticeably better than the Nubia Z70S Ultra — the overall rating gap is 14 points.
What is the rating of the Nubia Z70S Ultra and the Redmi K90 Pro Max?
The Nubia Z70S Ultra has a MobileRank rating of 70/100, the Redmi K90 Pro Max — 84/100.
Which is more powerful: the Nubia Z70S Ultra or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (94/100 vs 71/100).
Should you choose the Nubia Z70S Ultra over the Redmi K90 Pro Max?
The Nubia Z70S Ultra is a better fit for active users. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.