ASUS Asus Zenfone 12 Ultra vs Redmi K20 Pro Premium
The ASUS Asus Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K20 Pro Premium (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the ASUS Asus Zenfone 12 Ultra leads — 62/100 vs 17/100 (a 45-point difference). Key differences: the ASUS Asus Zenfone 12 Ultra has the bigger battery (5500 mAh vs 4000); the main camera is 50 MP vs 48 MP; the ASUS Asus Zenfone 12 Ultra is faster in AnTuTu (2,760,000 vs 859,084); the Redmi K20 Pro Premium is noticeably lighter (191g vs 220g).
ASUS Asus Zenfone 12 Ultra
Redmi K20 Pro Premium
- Higher AnTuTu: 2760000 vs 859084
- Better Geekbench Single: 3050 vs 1031
- Better Geekbench Multi: 9300 vs 2864
- Bigger battery: 5500 vs 4000 mAh
- Faster charging: 65W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (65/100 vs 2/100)
- Better camera (52/100 vs 36/100)
- Longer battery life (57/100 vs 13/100)
- Better display (100/100 vs 0/100)
- Lighter: 191g vs 220g
- Better design/ergonomics (61/100 vs 25/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Redmi K20 Pro Premium, the ASUS Asus Zenfone 12 Ultra scores 45 points higher (62/100 vs 17/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra leads (65/100 vs 2/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra leads (52/100 vs 36/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra leads (57/100 vs 13/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium (65/100 vs 2/100). In the "display" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100). In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Redmi K20 Pro Premium (52/100 vs 36/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium (57/100 vs 13/100). In the "design" category, the Redmi K20 Pro Premium significantly outperforms the ASUS Asus Zenfone 12 Ultra (61/100 vs 25/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | ASUS Asus Zenfone 12 Ultra | Redmi K20 Pro Premium | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855+ | |
| AnTuTu | 2760000 | 859084 | |
| Geekbench Single | 3050 | 1031 | |
| Geekbench Multi | 9300 | 2864 | |
| Display | 6.8" LTPO AMOLED | 6.4" Super AMOLED | |
| Resolution | 1080x2400 | 1080x2340 | |
| Refresh rate | 144 Hz | — | |
| Battery | 5500 mAh | 4000 mAh | |
| Charging | 65W | 27W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 13 MP | 13 MP | |
| Telephoto | 32 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 512GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 10; MIUI 11 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.8×77.0×8.9 mm | 156.7×74.3×8.8 mm | |
| Weight | 220 g | 191 g | |
| Price | — | — |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K20 Pro Premium
- Main: 48MP f/f/1.8
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K20 Pro Premium
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K20 Pro Premium
- 4000 mAh
- Wired: 27W
- No wireless charging
We compared ASUS Asus Zenfone 12 Ultra and Redmi K20 Pro Premium, covering their specs and all relevant benchmarks.
ASUS Asus Zenfone 12 Ultra leads Redmi K20 Pro Premium by 221.3% in our overall performance rating.
performance
In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium (65/100 vs 2/100).
display
In the "display" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100).
camera
In the "camera" category, the ASUS Asus Zenfone 12 Ultra notably outperforms the Redmi K20 Pro Premium (52/100 vs 36/100).
battery
In the "battery" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium (57/100 vs 13/100).
design
In the "design" category, the Redmi K20 Pro Premium significantly outperforms the ASUS Asus Zenfone 12 Ultra (61/100 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 Redmi K20 Pro Premium?
The ASUS Asus Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro Premium by 45 points (62/100 vs 17/100).
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Redmi K20 Pro Premium?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 62/100, the Redmi K20 Pro Premium — 17/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Redmi K20 Pro Premium?
The ASUS Asus Zenfone 12 Ultra leads on camera score (52/100 vs 36/100).
Which is more powerful: the ASUS Asus Zenfone 12 Ultra or the Redmi K20 Pro Premium?
The ASUS Asus Zenfone 12 Ultra leads on performance (65/100 vs 2/100).
Should you choose the ASUS Asus Zenfone 12 Ultra over the Redmi K20 Pro Premium?
The ASUS Asus Zenfone 12 Ultra is a better fit for active users. The Redmi K20 Pro Premium is a better fit for everyday use.