ASUS ROG Phone 9 vs Redmi K20 Pro Premium
The ASUS ROG Phone 9 (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 ROG Phone 9 leads — 60/100 vs 17/100 (a 43-point difference). Key differences: the ASUS ROG Phone 9 has the bigger battery (5800 mAh vs 4000); the main camera is 50 MP vs 48 MP; the ASUS ROG Phone 9 is faster in AnTuTu (3,136,217 vs 859,084); the Redmi K20 Pro Premium is noticeably lighter (191g vs 227g).
ASUS ROG Phone 9
Redmi K20 Pro Premium
- Higher AnTuTu: 3136217 vs 859084
- Better Geekbench Single: 3100 vs 1031
- Better Geekbench Multi: 9900 vs 2864
- Bigger battery: 5800 vs 4000 mAh
- Faster charging: 65W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (72/100 vs 2/100)
- Better camera (39/100 vs 36/100)
- Longer battery life (58/100 vs 13/100)
- Better display (100/100 vs 0/100)
- Lighter: 191g vs 227g
- Better design/ergonomics (61/100 vs 16/100)
- Better value for money (55/100 vs 41/100)
Comparing the ASUS ROG Phone 9 vs the Redmi K20 Pro Premium, the ASUS ROG Phone 9 scores 43 points higher (60/100 vs 17/100). In the "performance" category, the ASUS ROG Phone 9 leads (72/100 vs 2/100). In the "battery" category, the ASUS ROG Phone 9 leads (58/100 vs 13/100). In the "value for money" category, the Redmi K20 Pro Premium leads (55/100 vs 41/100). In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium (72/100 vs 2/100). In the "display" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100). In the "camera" category, the ASUS ROG Phone 9 and the Redmi K20 Pro Premium are nearly equal (39/100 vs 36/100). In the "battery" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium (58/100 vs 13/100). In the "design" category, the Redmi K20 Pro Premium significantly outperforms the ASUS ROG Phone 9 (61/100 vs 16/100). In the "value for money" category, the Redmi K20 Pro Premium is a bit better (55/100 vs 41/100).
| Specification | ASUS ROG Phone 9 | Redmi K20 Pro Premium | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3136217 | 859084 | |
| Geekbench Single | 3100 | 1031 | |
| Geekbench Multi | 9900 | 2864 | |
| Display | 6.8" LTPO AMOLED | 6.4" Super AMOLED | |
| Resolution | 2400x1080 | 1080x2340 | |
| Refresh rate | 185 Hz | — | |
| Battery | 5800 mAh | 4000 mAh | |
| Charging | 65W | 27W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 13 MP | 13 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 512GB | |
| OS | Android 15 / ROG UI | Android 10; MIUI 11 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.8×76.8×8.9 mm | 156.7×74.3×8.8 mm | |
| Weight | 227 g | 191 g | |
| Price | $999 | — |
ASUS ROG Phone 9
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Front: 32MP
Redmi K20 Pro Premium
- Main: 48MP f/f/1.8
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
ASUS ROG Phone 9
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 185 Hz
Redmi K20 Pro Premium
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
ASUS ROG Phone 9
- 5800 mAh
- Wired: 65W
- Wireless: 15W
Redmi K20 Pro Premium
- 4000 mAh
- Wired: 27W
- No wireless charging
We compared ASUS ROG Phone 9 and Redmi K20 Pro Premium, covering their specs and all relevant benchmarks.
ASUS ROG Phone 9 leads Redmi K20 Pro Premium by 265.1% in our overall performance rating.
Redmi K20 Pro Premium
Price unknownperformance
In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium (72/100 vs 2/100).
display
In the "display" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100).
camera
In the "camera" category, the ASUS ROG Phone 9 and the Redmi K20 Pro Premium are nearly equal (39/100 vs 36/100).
battery
In the "battery" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium (58/100 vs 13/100).
design
In the "design" category, the Redmi K20 Pro Premium significantly outperforms the ASUS ROG Phone 9 (61/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K20 Pro Premium is a bit better (55/100 vs 41/100).
Which is better: the ASUS ROG Phone 9 or the Redmi K20 Pro Premium?
The ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro Premium by 43 points (60/100 vs 17/100).
What is the rating of the ASUS ROG Phone 9 and the Redmi K20 Pro Premium?
The ASUS ROG Phone 9 has a MobileRank rating of 60/100, the Redmi K20 Pro Premium — 17/100.
Which is more powerful: the ASUS ROG Phone 9 or the Redmi K20 Pro Premium?
The ASUS ROG Phone 9 leads on performance (72/100 vs 2/100).
Should you choose the ASUS ROG Phone 9 over the Redmi K20 Pro Premium?
The ASUS ROG Phone 9 is a better fit for active users. The Redmi K20 Pro Premium is a better fit for everyday use.