ASUS ROG Phone II vs Redmi K90
The ASUS ROG Phone II (2019) runs on the Qualcomm Snapdragon 855+, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 57/100 (a 19-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6000); the Redmi K90 is faster in AnTuTu (3,086,235 vs 859,084); the Redmi K90 is noticeably lighter (206g vs 240g).
ASUS ROG Phone II
Redmi K90
- Overall rating 57/100
- Higher AnTuTu: 3086235 vs 859084
- Better Geekbench Single: 3041 vs 1031
- Better Geekbench Multi: 9494 vs 2864
- Bigger battery: 7100 vs 6000 mAh
- Faster charging: 100W vs 30W
- Lighter: 206g vs 240g
- Higher performance (92/100 vs 55/100)
- Longer battery life (72/100 vs 53/100)
- Better display (82/100 vs 79/100)
- Better portability (55/100 vs 20/100)
Comparing the ASUS ROG Phone II vs the Redmi K90, the Redmi K90 scores 19 points higher (76/100 vs 57/100). In the "performance" category, the Redmi K90 leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 leads (72/100 vs 53/100). In the "performance" category, the Redmi K90 significantly outperforms the ASUS ROG Phone II (92/100 vs 55/100). In the "display" category, the Redmi K90 and the ASUS ROG Phone II are nearly equal (82/100 vs 79/100). In the "battery" category, the Redmi K90 notably outperforms the ASUS ROG Phone II (72/100 vs 53/100). In the "portability" category, the Redmi K90 significantly outperforms the ASUS ROG Phone II (55/100 vs 20/100).
| Specification | ASUS ROG Phone II | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3086235 | |
| Geekbench Single | 1031 | 3041 | |
| Geekbench Multi | 2864 | 9494 | |
| Display | 6.6" AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2340 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7100 mAh | |
| Charging | 30W | 100W | |
| Main camera | — | 50 MP | |
| Ultrawide | 48 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 24 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 9.0 (Pie), ROG UI | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 171.0×77.6×9.5 mm | 157.5×75.3×8.0 mm | |
| Weight | 240 g | 206 g | |
| Launch price | — | $401 |
ASUS ROG Phone II
- Main: —
- Ultrawide: 48MP
- Front: 24MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
ASUS ROG Phone II
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
ASUS ROG Phone II
- 6000 mAh
- Wired: 30W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared ASUS ROG Phone II and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads ASUS ROG Phone II by 72.2% in our overall performance rating.
ASUS ROG Phone II
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the ASUS ROG Phone II (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 and the ASUS ROG Phone II are nearly equal (82/100 vs 79/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the ASUS ROG Phone II (72/100 vs 53/100).
portability
In the "portability" category, the Redmi K90 significantly outperforms the ASUS ROG Phone II (55/100 vs 20/100).
Which is better: the ASUS ROG Phone II or the Redmi K90?
The Redmi K90 is noticeably better than the ASUS ROG Phone II — the overall rating gap is 19 points.
What is the rating of the ASUS ROG Phone II and the Redmi K90?
The ASUS ROG Phone II has a MobileRank rating of 57/100, the Redmi K90 — 76/100.
Which is more powerful: the ASUS ROG Phone II or the Redmi K90?
The Redmi K90 leads on performance (92/100 vs 55/100).
Should you choose the ASUS ROG Phone II over the Redmi K90?
The ASUS ROG Phone II is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.