ASUS Asus Zenfone 12 Ultra vs Redmi K90 Ultra
The ASUS Asus Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the ASUS Asus Zenfone 12 Ultra leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5500).
ASUS Asus Zenfone 12 Ultra
Redmi K90 Ultra
- Lighter: 220g vs 227g
- Better camera (56/100 vs 37/100)
- Bigger battery: 8550 vs 5500 mAh
- Faster charging: 100W vs 65W
- Higher refresh rate: 165Hz vs 144Hz
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 89/100)
- Better portability (40/100 vs 38/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Redmi K90 Ultra, the ASUS Asus Zenfone 12 Ultra scores 2 points higher (75/100 vs 73/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra leads (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). In the "performance" category, both devices are on the same level — 92/100. In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Redmi K90 Ultra (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi K90 Ultra and the ASUS Asus Zenfone 12 Ultra are nearly equal (40/100 vs 38/100).
| Specification | ASUS Asus Zenfone 12 Ultra | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3119308 | 3119308 | |
| Geekbench Single | 3041 | 3041 | |
| Geekbench Multi | 9494 | 9494 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| 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 | |
| OS | Android 15, up to 2 major Android upgrades | Android 16 | |
| Brightness (peak) | 2500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.8×77.0×8.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 220 g | 227 g | |
| Launch price | — | $420 |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared ASUS Asus Zenfone 12 Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
ASUS Asus Zenfone 12 Ultra
Price unknownperformance
In the "performance" category, both devices are on the same level — 92/100.
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Redmi K90 Ultra (56/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Redmi K90 Ultra and the ASUS Asus Zenfone 12 Ultra are nearly equal (40/100 vs 38/100).
Which is better: the ASUS Asus Zenfone 12 Ultra or the Redmi K90 Ultra?
The ASUS Asus Zenfone 12 Ultra edges out the Redmi K90 Ultra by just 2 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 Ultra?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 75/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Redmi K90 Ultra?
The ASUS Asus Zenfone 12 Ultra leads on camera score (56/100 vs 37/100).
Should you choose the ASUS Asus Zenfone 12 Ultra over the Redmi K90 Ultra?
The ASUS Asus Zenfone 12 Ultra is a better fit for gamers and power users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.