ASUS ROG Phone 9 vs Redmi K20 Pro
The ASUS ROG Phone 9 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K20 Pro (2019) runs on the Qualcomm Snapdragon 855; launch prices were $999 and $350. By overall MobileRank rating, the ASUS ROG Phone 9 leads — 71/100 vs 46/100 (a 25-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 824,513); the Redmi K20 Pro is noticeably lighter (191g vs 227g).
ASUS ROG Phone 9
Redmi K20 Pro
- Higher AnTuTu: 3136217 vs 824513
- Better Geekbench Single: 3100 vs 968
- Better Geekbench Multi: 9900 vs 2731
- Bigger battery: 5800 vs 4000 mAh
- Faster charging: 65W vs 27W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 185Hz vs 60Hz
- Higher performance (92/100 vs 54/100)
- Better camera (42/100 vs 41/100)
- Longer battery life (67/100 vs 24/100)
- Better display (89/100 vs 56/100)
- Lighter: 191g vs 227g
- Cheaper at launch: $350 vs $999
- Better portability (56/100 vs 33/100)
Comparing the ASUS ROG Phone 9 vs the Redmi K20 Pro, the ASUS ROG Phone 9 scores 25 points higher (71/100 vs 46/100). In the "performance" category, the ASUS ROG Phone 9 leads (92/100 vs 54/100). In the "battery" category, the ASUS ROG Phone 9 leads (67/100 vs 24/100). Value score: ASUS ROG Phone 9 — 54/100, Redmi K20 Pro — 32/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro (92/100 vs 54/100). In the "display" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro (89/100 vs 56/100). In the "camera" category, the ASUS ROG Phone 9 and the Redmi K20 Pro are nearly equal (42/100 vs 41/100). In the "battery" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro (67/100 vs 24/100). In the "portability" category, the Redmi K20 Pro notably outperforms the ASUS ROG Phone 9 (56/100 vs 33/100).
| Specification | ASUS ROG Phone 9 | Redmi K20 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3136217 | 824513 | |
| Geekbench Single | 3100 | 968 | |
| Geekbench Multi | 9900 | 2731 | |
| Display | 6.8" LTPO AMOLED | 6.4" AMOLED | |
| Resolution | 2400x1080 | 2340x1080 | |
| Refresh rate | 185 Hz | 60 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 | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB / 256GB | |
| OS | Android 15 / ROG UI | Android 9 | |
| 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 | |
| Launch price | $999 | $350 |
ASUS ROG Phone 9
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Front: 32MP
Redmi K20 Pro
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
ASUS ROG Phone 9
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 185 Hz
Redmi K20 Pro
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
ASUS ROG Phone 9
- 5800 mAh
- Wired: 65W
- Wireless: 15W
Redmi K20 Pro
- 4000 mAh
- Wired: 27W
- No wireless charging
We compared ASUS ROG Phone 9 and Redmi K20 Pro, covering their specs and all relevant benchmarks.
ASUS ROG Phone 9 leads Redmi K20 Pro by 280.4% in our overall performance rating.
Launch price difference: $649. Redmi K20 Pro was $649 cheaper at launch.
performance
In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro (92/100 vs 54/100).
display
In the "display" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro (89/100 vs 56/100).
camera
In the "camera" category, the ASUS ROG Phone 9 and the Redmi K20 Pro are nearly equal (42/100 vs 41/100).
battery
In the "battery" category, the ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro (67/100 vs 24/100).
portability
In the "portability" category, the Redmi K20 Pro notably outperforms the ASUS ROG Phone 9 (56/100 vs 33/100).
Which is better: the ASUS ROG Phone 9 or the Redmi K20 Pro?
The ASUS ROG Phone 9 significantly outperforms the Redmi K20 Pro by 25 points (71/100 vs 46/100).
What is the rating of the ASUS ROG Phone 9 and the Redmi K20 Pro?
The ASUS ROG Phone 9 has a MobileRank rating of 71/100, the Redmi K20 Pro — 46/100.
Which is more powerful: the ASUS ROG Phone 9 or the Redmi K20 Pro?
The ASUS ROG Phone 9 leads on performance (92/100 vs 54/100).
Should you choose the ASUS ROG Phone 9 over the Redmi K20 Pro?
The ASUS ROG Phone 9 is a better fit for gamers and power users. The Redmi K20 Pro is a better fit for everyday use.