ASUS Zenfone 12 Ultra vs Redmi K90 Max
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $999 and $504. Both devices score the same overall rating of 75/100. Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5500); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 3,247,013).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
Redmi K90 Max
What makes ASUS Zenfone 12 Ultra better?
- Lighter: 220g vs 227g
- Better camera (56/100 vs 37/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 3247013
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Bigger battery: 8550 vs 5500 mAh
- Faster charging: 100W vs 65W
- Higher refresh rate: 165Hz vs 144Hz
- Cheaper at launch: $504 vs $999
- Higher performance (96/100 vs 92/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 89/100)
- Better portability (41/100 vs 38/100)
Comparison verdict
The ASUS Zenfone 12 Ultra and the Redmi K90 Max received the same MobileRank rating — 75/100. In the "camera" category, the ASUS Zenfone 12 Ultra leads (56/100 vs 37/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, 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 ASUS Zenfone 12 Ultra are nearly equal (96/100 vs 92/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 89/100). In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Redmi K90 Max (56/100 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 and the ASUS Zenfone 12 Ultra are nearly equal (41/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 3247013 | 3760662 | |
| Geekbench Single | 3013 | 3293 | |
| Geekbench Multi | 9287 | 10243 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 2772x1280 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5500 mAh | 8550 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP66 | |
| Dimensions | 163.8×77.0×8.9 mm | 162.9×77.9×8.1 mm | |
| Weight | 220 g | 227 g | |
| Launch price | $999 | $504 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared ASUS Zenfone 12 Ultra and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads ASUS Zenfone 12 Ultra by 13.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $495. Redmi K90 Max was $495 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Max and the ASUS Zenfone 12 Ultra are nearly equal (96/100 vs 92/100).
display
In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Redmi K90 Max (56/100 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 and the ASUS Zenfone 12 Ultra are nearly equal (41/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the Redmi K90 Max?
Both devices scored 75/100. The choice depends on your priorities: if performance matters more — go with the Redmi K90 Max (96/100 vs 92/100).
What is the rating of the ASUS Zenfone 12 Ultra and the Redmi K90 Max?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Redmi K90 Max — 75/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Redmi K90 Max?
The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 37/100).
Should you choose the ASUS Zenfone 12 Ultra over the Redmi K90 Max?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.