ASUS Asus Zenfone 12 Ultra vs Samsung Galaxy A03
Comparing the ASUS Asus Zenfone 12 Ultra (2025) and the Samsung Galaxy A03 (2022) on specs and benchmarks. By overall MobileRank rating, the ASUS Asus Zenfone 12 Ultra leads — 62/100 vs 16/100 (a 46-point difference). Key differences: the ASUS Asus Zenfone 12 Ultra has the bigger battery (5500 mAh vs 5000); the main camera is 50 MP vs 48 MP; the ASUS Asus Zenfone 12 Ultra has NFC for contactless payments, the Samsung Galaxy A03 doesn't; the Samsung Galaxy A03 is noticeably lighter (196g vs 220g).
ASUS Asus Zenfone 12 Ultra
Samsung Galaxy A03
- Bigger battery: 5500 vs 5000 mAh
- Better main camera: 50MP vs 48MP
- Higher performance (65/100 vs 0/100)
- Better camera (52/100 vs 23/100)
- Longer battery life (57/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Lighter: 196g vs 220g
- Better design/ergonomics (55/100 vs 25/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Samsung Galaxy A03, the ASUS Asus Zenfone 12 Ultra scores 46 points higher (62/100 vs 16/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra leads (65/100 vs 0/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra leads (52/100 vs 23/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra leads (57/100 vs 36/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A03 (65/100 vs 0/100). In the "display" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A03 (100/100 vs 0/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A03 (52/100 vs 23/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A03 (57/100 vs 36/100). In the "design" category, the Samsung Galaxy A03 significantly outperforms the ASUS Asus Zenfone 12 Ultra (55/100 vs 25/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | ASUS Asus Zenfone 12 Ultra | Samsung Galaxy A03 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | — | |
| AnTuTu | 2760000 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.8" LTPO AMOLED | 6.5" PLS TFT | |
| Resolution | 1080x2400 | 720x1600 | |
| Refresh rate | 144 Hz | — | |
| Battery | 5500 mAh | 5000 mAh | |
| Charging | 65W | — | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 13 MP | 0 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 12GB / 16GB | 3GB / 4GB | |
| Storage | 256GB / 512GB | 32GB / 64GB / 128GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 11 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.8×77.0×8.9 mm | 164.2×75.9×9.1 mm | |
| Weight | 220 g | 196 g | |
| Price | — | — |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Samsung Galaxy A03
- Main: 48MP f/f/1.8
- Front: 5MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Samsung Galaxy A03
- 6.5" PLS TFT
- Resolution: 720x1600
- Refresh rate: —
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Samsung Galaxy A03
- 5000 mAh
- No wireless charging
performance
In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A03 (65/100 vs 0/100).
display
In the "display" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A03 (100/100 vs 0/100).
camera
In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A03 (52/100 vs 23/100).
battery
In the "battery" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Samsung Galaxy A03 (57/100 vs 36/100).
design
In the "design" category, the Samsung Galaxy A03 significantly outperforms the ASUS Asus Zenfone 12 Ultra (55/100 vs 25/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the ASUS Asus Zenfone 12 Ultra or the Samsung Galaxy A03?
The ASUS Asus Zenfone 12 Ultra significantly outperforms the Samsung Galaxy A03 by 46 points (62/100 vs 16/100).
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Samsung Galaxy A03?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 62/100, the Samsung Galaxy A03 — 16/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Samsung Galaxy A03?
The ASUS Asus Zenfone 12 Ultra leads on camera score (52/100 vs 23/100).
Which is more powerful: the ASUS Asus Zenfone 12 Ultra or the Samsung Galaxy A03?
The ASUS Asus Zenfone 12 Ultra leads on performance (65/100 vs 0/100).
Should you choose the ASUS Asus Zenfone 12 Ultra over the Samsung Galaxy A03?
The ASUS Asus Zenfone 12 Ultra is a better fit for active users. The Samsung Galaxy A03 is a better fit for everyday use.