ASUS Zenfone 12 Ultra vs Redmi K20 Pro
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K20 Pro (2019) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the ASUS Zenfone 12 Ultra leads — 75/100 vs 46/100 (a 29-point difference). Key differences: the ASUS Zenfone 12 Ultra has the bigger battery (5500 mAh vs 4000); the main camera is 50 MP vs 48 MP; the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,119,308 vs 824,513); the Redmi K20 Pro is noticeably lighter (191g vs 220g).
ASUS Zenfone 12 Ultra
Redmi K20 Pro
- Higher AnTuTu: 3119308 vs 824513
- Better Geekbench Single: 3041 vs 968
- Better Geekbench Multi: 9494 vs 2731
- Bigger battery: 5500 vs 4000 mAh
- Faster charging: 65W vs 27W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (92/100 vs 54/100)
- Better camera (56/100 vs 41/100)
- Longer battery life (66/100 vs 24/100)
- Better display (89/100 vs 56/100)
- Lighter: 191g vs 220g
- Better portability (56/100 vs 38/100)
Comparing the ASUS Zenfone 12 Ultra vs the Redmi K20 Pro, the ASUS Zenfone 12 Ultra scores 29 points higher (75/100 vs 46/100). In the "performance" category, the ASUS Zenfone 12 Ultra leads (92/100 vs 54/100). In the "camera" category, the ASUS Zenfone 12 Ultra leads (56/100 vs 41/100). In the "battery" category, the ASUS Zenfone 12 Ultra leads (66/100 vs 24/100). In the "performance" category, the ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro (92/100 vs 54/100). In the "display" category, the ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro (89/100 vs 56/100). In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Redmi K20 Pro (56/100 vs 41/100). In the "battery" category, the ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro (66/100 vs 24/100). In the "portability" category, the Redmi K20 Pro notably outperforms the ASUS Zenfone 12 Ultra (56/100 vs 38/100).
| Specification | ASUS Zenfone 12 Ultra | Redmi K20 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3119308 | 824513 | |
| Geekbench Single | 3041 | 968 | |
| Geekbench Multi | 9494 | 2731 | |
| Display | 6.8" LTPO AMOLED | 6.4" AMOLED | |
| Resolution | 1080x2400 | 2340x1080 | |
| Refresh rate | 144 Hz | 60 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 | 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB / 256GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 9 | |
| 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 | |
| Launch price | — | $350 |
ASUS Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K20 Pro
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K20 Pro
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K20 Pro
- 4000 mAh
- Wired: 27W
- No wireless charging
We compared ASUS Zenfone 12 Ultra and Redmi K20 Pro, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads Redmi K20 Pro by 278.3% in our overall performance rating.
ASUS Zenfone 12 Ultra
Price unknownperformance
In the "performance" category, the ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro (92/100 vs 54/100).
display
In the "display" category, the ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro (89/100 vs 56/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Redmi K20 Pro (56/100 vs 41/100).
battery
In the "battery" category, the ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro (66/100 vs 24/100).
portability
In the "portability" category, the Redmi K20 Pro notably outperforms the ASUS Zenfone 12 Ultra (56/100 vs 38/100).
Which is better: the ASUS Zenfone 12 Ultra or the Redmi K20 Pro?
The ASUS Zenfone 12 Ultra significantly outperforms the Redmi K20 Pro by 29 points (75/100 vs 46/100).
What is the rating of the ASUS Zenfone 12 Ultra and the Redmi K20 Pro?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Redmi K20 Pro — 46/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Redmi K20 Pro?
The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 41/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the Redmi K20 Pro?
The ASUS Zenfone 12 Ultra leads on performance (92/100 vs 54/100).
Should you choose the ASUS Zenfone 12 Ultra over the Redmi K20 Pro?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Redmi K20 Pro is a better fit for everyday use.