ASUS Zenfone 12 Ultra vs Redmi K90
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 75/100 (a 1-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5500); the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,119,308 vs 3,088,357).
ASUS Zenfone 12 Ultra
Redmi K90
- Higher AnTuTu: 3119308 vs 3088357
- Higher refresh rate: 144Hz vs 120Hz
- Better display (89/100 vs 82/100)
- Bigger battery: 7100 vs 5500 mAh
- Faster charging: 100W vs 65W
- Lighter: 206g vs 220g
- Better camera (58/100 vs 56/100)
- Longer battery life (72/100 vs 66/100)
- Better portability (55/100 vs 38/100)
Comparing the ASUS Zenfone 12 Ultra vs the Redmi K90, the Redmi K90 scores 1 points higher (76/100 vs 75/100). In the "performance" category, both devices are on the same level — 92/100. In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 82/100). In the "camera" category, the Redmi K90 and the ASUS Zenfone 12 Ultra are nearly equal (58/100 vs 56/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 66/100). In the "portability" category, the Redmi K90 notably outperforms the ASUS Zenfone 12 Ultra (55/100 vs 38/100).
| Specification | ASUS Zenfone 12 Ultra | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3119308 | 3088357 | |
| Geekbench Single | 3041 | 3041 | |
| Geekbench Multi | 9494 | 9494 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2400 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 7100 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 32 MP | 50 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 | |
| Dimensions | 163.8×77.0×8.9 mm | 157.5×75.3×8.0 mm | |
| Weight | 220 g | 206 g | |
| Launch price | — | $401 |
ASUS Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared ASUS Zenfone 12 Ultra and Redmi K90, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads Redmi K90 by 1.0% in our overall performance rating.
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 ASUS Zenfone 12 Ultra is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 and the ASUS Zenfone 12 Ultra are nearly equal (58/100 vs 56/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 66/100).
portability
In the "portability" category, the Redmi K90 notably outperforms the ASUS Zenfone 12 Ultra (55/100 vs 38/100).
Which is better: the ASUS Zenfone 12 Ultra or the Redmi K90?
The Redmi K90 edges out the ASUS Zenfone 12 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the ASUS Zenfone 12 Ultra and the Redmi K90?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Redmi K90 — 76/100.
Should you choose the ASUS Zenfone 12 Ultra over the Redmi K90?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.