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; launch prices were $999 and $729. 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 (3,247,013 vs 1,157,244); the OnePlus 9 is noticeably lighter (192g vs 220g).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
OnePlus 9
What makes ASUS Zenfone 12 Ultra better?
- Higher AnTuTu: 3247013 vs 1157244
- Better Geekbench Single: 3013 vs 1500
- Better Geekbench Multi: 9287 vs 3537
- 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)
What makes OnePlus 9 better?
- Lighter: 192g vs 220g
- Cheaper at launch: $729 vs $999
- Better portability (56/100 vs 38/100)
Comparison verdict
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). Value score: ASUS Zenfone 12 Ultra — 60/100, OnePlus 9 — 34/100; 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 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).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | OnePlus 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 888 | |
| AnTuTu | 3247013 | 1157244 | |
| Geekbench Single | 3013 | 1500 | |
| Geekbench Multi | 9287 | 3537 | |
| Display | 6.8" LTPO AMOLED | 6.5" AMOLED | |
| Resolution | 2400x1080 | 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 / ZenUI | 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 | $999 | $729 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
OnePlus 9
- 4500 mAh
- Wired: 65W
- Wireless: 15W
Overall performance score
We compared ASUS Zenfone 12 Ultra and OnePlus 9, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads OnePlus 9 by 180.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $270. OnePlus 9 was $270 cheaper at launch.
Detailed category analysis
performance
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).
Frequently asked questions
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.