ASUS Asus Zenfone 12 Ultra vs Redmi K90 Max
The ASUS Asus Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 62/100 (a 5-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5500); the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 2,760,000).
ASUS Asus Zenfone 12 Ultra
Redmi K90 Max
- Lighter: 220g vs 227g
- Better camera (52/100 vs 32/100)
- Better design/ergonomics (25/100 vs 16/100)
- Higher AnTuTu: 3803420 vs 2760000
- Better Geekbench Single: 3228 vs 3050
- Better Geekbench Multi: 9553 vs 9300
- Bigger battery: 8550 vs 5500 mAh
- Faster charging: 100W vs 65W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (82/100 vs 65/100)
- Longer battery life (77/100 vs 57/100)
- Better value for money (75/100 vs 55/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Redmi K90 Max, the Redmi K90 Max scores 5 points higher (67/100 vs 62/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 65/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra leads (52/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 57/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 55/100). In the "performance" category, the Redmi K90 Max notably outperforms the ASUS Asus Zenfone 12 Ultra (82/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Redmi K90 Max (52/100 vs 32/100). In the "battery" category, the Redmi K90 Max notably outperforms the ASUS Asus Zenfone 12 Ultra (77/100 vs 57/100). In the "design" category, the ASUS Asus Zenfone 12 Ultra is a bit better (25/100 vs 16/100). In the "value for money" category, the Redmi K90 Max notably outperforms the ASUS Asus Zenfone 12 Ultra (75/100 vs 55/100).
| Specification | ASUS Asus Zenfone 12 Ultra | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 2760000 | 3803420 | |
| Geekbench Single | 3050 | 3228 | |
| Geekbench Multi | 9300 | 9553 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 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, up to 2 major Android upgrades | 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 | |
| Price | — | $504 |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared ASUS Asus Zenfone 12 Ultra and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads ASUS Asus Zenfone 12 Ultra by 27.4% in our overall performance rating.
ASUS Asus Zenfone 12 Ultra
Price unknownperformance
In the "performance" category, the Redmi K90 Max notably outperforms the ASUS Asus Zenfone 12 Ultra (82/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Redmi K90 Max (52/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the ASUS Asus Zenfone 12 Ultra (77/100 vs 57/100).
design
In the "design" category, the ASUS Asus Zenfone 12 Ultra is a bit better (25/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max notably outperforms the ASUS Asus Zenfone 12 Ultra (75/100 vs 55/100).
Which is better: the ASUS Asus Zenfone 12 Ultra or the Redmi K90 Max?
The Redmi K90 Max edges out the ASUS Asus Zenfone 12 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Redmi K90 Max?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 62/100, the Redmi K90 Max — 67/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Redmi K90 Max?
The ASUS Asus Zenfone 12 Ultra leads on camera score (52/100 vs 32/100).
Which is more powerful: the ASUS Asus Zenfone 12 Ultra or the Redmi K90 Max?
The Redmi K90 Max leads on performance (82/100 vs 65/100).
Should you choose the ASUS Asus Zenfone 12 Ultra over the Redmi K90 Max?
The ASUS Asus Zenfone 12 Ultra is a better fit for active users. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.