ASUS Asus Zenfone 12 Ultra vs Samsung Galaxy A91
The ASUS Asus Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A91 (2021) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the ASUS Asus Zenfone 12 Ultra leads — 75/100 vs 51/100 (a 24-point difference). Key differences: the ASUS Asus Zenfone 12 Ultra has the bigger battery (5500 mAh vs 4500); the main camera is 50 MP vs 48 MP; the ASUS Asus Zenfone 12 Ultra is faster in AnTuTu (3,119,308 vs 824,513); the ASUS Asus Zenfone 12 Ultra has NFC for contactless payments, the Samsung Galaxy A91 doesn't.
ASUS Asus Zenfone 12 Ultra
Samsung Galaxy A91
- Higher AnTuTu: 3119308 vs 824513
- Better Geekbench Single: 3041 vs 968
- Better Geekbench Multi: 9494 vs 2731
- Bigger battery: 5500 vs 4500 mAh
- Faster charging: 65W vs 45W
- Better main camera: 50MP vs 48MP
- Higher performance (92/100 vs 54/100)
- Better camera (56/100 vs 41/100)
- Longer battery life (66/100 vs 38/100)
- Better display (89/100 vs 81/100)
- Overall rating 51/100
Comparing the ASUS Asus Zenfone 12 Ultra vs the Samsung Galaxy A91, the ASUS Asus Zenfone 12 Ultra scores 24 points higher (75/100 vs 51/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra leads (92/100 vs 54/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra leads (56/100 vs 41/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra leads (66/100 vs 38/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A91 (92/100 vs 54/100). In the "display" category, the ASUS Asus Zenfone 12 Ultra is a bit better (89/100 vs 81/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A91 (56/100 vs 41/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A91 (66/100 vs 38/100).
| Specification | ASUS Asus Zenfone 12 Ultra | Samsung Galaxy A91 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3119308 | 824513 | |
| Geekbench Single | 3041 | 968 | |
| Geekbench Multi | 9494 | 2731 | |
| Display | 6.8" LTPO AMOLED | 6.7" Super AMOLED | |
| Resolution | 1080x2400 | 1080x2400 | |
| Refresh rate | 144 Hz | — | |
| Battery | 5500 mAh | 4500 mAh | |
| Charging | 65W | 45W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 13 MP | 12 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 10, One UI | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.8×77.0×8.9 mm | — | |
| Weight | 220 g | — | |
| Launch price | — | — |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Samsung Galaxy A91
- Main: 48MP f/f/2.0
- Ultrawide: 12MP
- Front: 32MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Samsung Galaxy A91
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Samsung Galaxy A91
- 4500 mAh
- Wired: 45W
- No wireless charging
We compared ASUS Asus Zenfone 12 Ultra and Samsung Galaxy A91, covering their specs and all relevant benchmarks.
ASUS Asus Zenfone 12 Ultra leads Samsung Galaxy A91 by 278.3% in our overall performance rating.
performance
In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A91 (92/100 vs 54/100).
display
In the "display" category, the ASUS Asus Zenfone 12 Ultra is a bit better (89/100 vs 81/100).
camera
In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A91 (56/100 vs 41/100).
battery
In the "battery" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A91 (66/100 vs 38/100).
Which is better: the ASUS Asus Zenfone 12 Ultra or the Samsung Galaxy A91?
The ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A91 by 24 points (75/100 vs 51/100).
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Samsung Galaxy A91?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 75/100, the Samsung Galaxy A91 — 51/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Samsung Galaxy A91?
The ASUS Asus Zenfone 12 Ultra leads on camera score (56/100 vs 41/100).
Which is more powerful: the ASUS Asus Zenfone 12 Ultra or the Samsung Galaxy A91?
The ASUS Asus Zenfone 12 Ultra leads on performance (92/100 vs 54/100).
Should you choose the ASUS Asus Zenfone 12 Ultra over the Samsung Galaxy A91?
The ASUS Asus Zenfone 12 Ultra is a better fit for gamers and power users. The Samsung Galaxy A91 is a better fit for everyday use.