ASUS Zenfone 12 Ultra vs OnePlus 9
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888. By overall MobileRank rating, the ASUS Zenfone 12 Ultra leads — 75/100 vs 60/100 (a 15-point difference). Key differences: the ASUS Zenfone 12 Ultra has the bigger battery (5500 mAh vs 4500); the main camera is 50 MP vs 48 MP; the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,119,308 vs 1,135,878); the OnePlus 9 is noticeably lighter (192g vs 220g).
ASUS Zenfone 12 Ultra
OnePlus 9
- Higher AnTuTu: 3119308 vs 1135878
- Better Geekbench Single: 3041 vs 1488
- Better Geekbench Multi: 9494 vs 3373
- Bigger battery: 5500 vs 4500 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (92/100 vs 64/100)
- Better camera (56/100 vs 51/100)
- Longer battery life (66/100 vs 50/100)
- Better display (89/100 vs 80/100)
- Lighter: 192g vs 220g
- Better portability (56/100 vs 38/100)
Comparing the ASUS Zenfone 12 Ultra vs the OnePlus 9, the ASUS Zenfone 12 Ultra scores 15 points higher (75/100 vs 60/100). In the "performance" category, the ASUS Zenfone 12 Ultra leads (92/100 vs 64/100). In the "battery" category, the ASUS Zenfone 12 Ultra leads (66/100 vs 50/100). In the "performance" category, the ASUS Zenfone 12 Ultra notably outperforms the OnePlus 9 (92/100 vs 64/100). In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 80/100). In the "camera" category, the ASUS Zenfone 12 Ultra is a bit better (56/100 vs 51/100). In the "battery" category, the ASUS Zenfone 12 Ultra notably outperforms the OnePlus 9 (66/100 vs 50/100). In the "portability" category, the OnePlus 9 notably outperforms the ASUS Zenfone 12 Ultra (56/100 vs 38/100).
| Specification | ASUS Zenfone 12 Ultra | OnePlus 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 888 | |
| AnTuTu | 3119308 | 1135878 | |
| Geekbench Single | 3041 | 1488 | |
| Geekbench Multi | 9494 | 3373 | |
| Display | 6.8" LTPO AMOLED | 6.5" AMOLED | |
| Resolution | 1080x2400 | 2400x1080 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 4500 mAh | |
| Charging | 65W | 65W | |
| Wireless charging | 15W | 15W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 11 | |
| Brightness (peak) | 2500 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.8×77.0×8.9 mm | 160.0×74.2×8.7 mm | |
| Weight | 220 g | 192 g | |
| Launch price | — | $729 |
ASUS Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
OnePlus 9
- 4500 mAh
- Wired: 65W
- Wireless: 15W
We compared ASUS Zenfone 12 Ultra and OnePlus 9, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads OnePlus 9 by 174.6% in our overall performance rating.
ASUS Zenfone 12 Ultra
Price unknownperformance
In the "performance" category, the ASUS Zenfone 12 Ultra notably outperforms the OnePlus 9 (92/100 vs 64/100).
display
In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 80/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra is a bit better (56/100 vs 51/100).
battery
In the "battery" category, the ASUS Zenfone 12 Ultra notably outperforms the OnePlus 9 (66/100 vs 50/100).
portability
In the "portability" category, the OnePlus 9 notably outperforms the ASUS Zenfone 12 Ultra (56/100 vs 38/100).
Which is better: the ASUS Zenfone 12 Ultra or the OnePlus 9?
The ASUS Zenfone 12 Ultra is noticeably better than the OnePlus 9 — the overall rating gap is 15 points.
What is the rating of the ASUS Zenfone 12 Ultra and the OnePlus 9?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the OnePlus 9 — 60/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the OnePlus 9?
The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 51/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the OnePlus 9?
The ASUS Zenfone 12 Ultra leads on performance (92/100 vs 64/100).
Should you choose the ASUS Zenfone 12 Ultra over the OnePlus 9?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The OnePlus 9 is a better fit for active users.