ASUS Zenfone 12 Ultra vs Redmi K90 Pro Max
The ASUS Zenfone 12 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; launch prices were $999 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 75/100 (a 11-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 5500); the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 3,247,013); the Redmi K90 Pro Max is thinner (7.9mm vs 8.9mm).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
Redmi K90 Pro Max
What makes ASUS Zenfone 12 Ultra better?
- Higher refresh rate: 144Hz vs 120Hz
- Better display (89/100 vs 81/100)
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 3247013
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 7560 vs 5500 mAh
- Faster charging: 100W vs 65W
- Faster wireless charging: 50W vs 15W
- Lighter: 210g vs 220g
- Cheaper at launch: $561 vs $999
- Higher performance (97/100 vs 92/100)
- Better camera (78/100 vs 56/100)
- Longer battery life (89/100 vs 66/100)
- Better portability (54/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 11 points higher (86/100 vs 75/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 56/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, Redmi K90 Pro Max — 90/100; 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 Pro Max is a bit better (97/100 vs 92/100). In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 81/100). In the "camera" category, the Redmi K90 Pro Max notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100). In the "battery" category, the Redmi K90 Pro Max notably outperforms the ASUS Zenfone 12 Ultra (89/100 vs 66/100). In the "portability" category, the Redmi K90 Pro Max notably outperforms the ASUS Zenfone 12 Ultra (54/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3247013 | 3622315 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" LTPO AMOLED | 6.9" OLED | |
| Resolution | 2400x1080 | 2608x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 7560 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 32 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 163.3×77.8×7.9 mm | |
| Weight | 220 g | 210 g | |
| Launch price | $999 | $561 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared ASUS Zenfone 12 Ultra and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads ASUS Zenfone 12 Ultra by 10.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $438. Redmi K90 Pro Max was $438 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max is a bit better (97/100 vs 92/100).
display
In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 81/100).
camera
In the "camera" category, the Redmi K90 Pro Max notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100).
battery
In the "battery" category, the Redmi K90 Pro Max notably outperforms the ASUS Zenfone 12 Ultra (89/100 vs 66/100).
portability
In the "portability" category, the Redmi K90 Pro Max notably outperforms the ASUS Zenfone 12 Ultra (54/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the Redmi K90 Pro Max?
The Redmi K90 Pro Max is noticeably better than the ASUS Zenfone 12 Ultra — the overall rating gap is 11 points.
What is the rating of the ASUS Zenfone 12 Ultra and the Redmi K90 Pro Max?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 56/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (97/100 vs 92/100).
Should you choose the ASUS Zenfone 12 Ultra over the Redmi K90 Pro Max?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.