ASUS Asus Zenfone 12 Ultra vs Realme C100x
Comparing the ASUS Asus Zenfone 12 Ultra (2025) and the Realme C100x (2026) on specs and benchmarks. By overall MobileRank rating, the ASUS Asus Zenfone 12 Ultra leads — 62/100 vs 31/100 (a 31-point difference). Key differences: the Realme C100x has the bigger battery (7500 mAh vs 5500).
ASUS Asus Zenfone 12 Ultra
Realme C100x
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (65/100 vs 0/100)
- Better camera (52/100 vs 24/100)
- Longer battery life (57/100 vs 52/100)
- Bigger battery: 7500 vs 5500 mAh
- Better design/ergonomics (50/100 vs 25/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Realme C100x, the ASUS Asus Zenfone 12 Ultra scores 31 points higher (62/100 vs 31/100). 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 24/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Realme C100x (65/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Realme C100x (52/100 vs 24/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra is a bit better (57/100 vs 52/100). In the "design" category, the Realme C100x notably outperforms the ASUS Asus Zenfone 12 Ultra (50/100 vs 25/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | ASUS Asus Zenfone 12 Ultra | Realme C100x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | — | |
| AnTuTu | 2760000 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.8" LTPO AMOLED | 6.8" IPS LCD | |
| Resolution | 1080x2400 | 720x1640 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 7500 mAh | |
| Charging | 65W | — | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 0 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 16 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | 163.8×77.0×8.9 mm | — | |
| Weight | 220 g | — | |
| Price | — | — |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Realme C100x
- Main: 50MP f/f/1.8
- Front: 5MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Realme C100x
- 6.8" IPS LCD
- Resolution: 720x1640
- Refresh rate: 120 Hz
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Realme C100x
- 7500 mAh
- No wireless charging
performance
In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Realme C100x (65/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Realme C100x (52/100 vs 24/100).
battery
In the "battery" category, the ASUS Asus Zenfone 12 Ultra is a bit better (57/100 vs 52/100).
design
In the "design" category, the Realme C100x notably outperforms the ASUS Asus Zenfone 12 Ultra (50/100 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 Realme C100x?
The ASUS Asus Zenfone 12 Ultra significantly outperforms the Realme C100x by 31 points (62/100 vs 31/100).
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Realme C100x?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 62/100, the Realme C100x — 31/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Realme C100x?
The ASUS Asus Zenfone 12 Ultra leads on camera score (52/100 vs 24/100).
Which is more powerful: the ASUS Asus Zenfone 12 Ultra or the Realme C100x?
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 Realme C100x?
The ASUS Asus Zenfone 12 Ultra is a better fit for active users. The Realme C100x is a better fit for everyday use.