ASUS ROG Phone 8 vs Redmi K90 Ultra
The ASUS ROG Phone 8 (2024) runs on the Qualcomm Snapdragon 8 Gen 3, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $1099 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 71/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5500); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,313,311).
ASUS ROG Phone 8
Redmi K90 Ultra
- Lighter: 225g vs 227g
- Better camera (56/100 vs 37/100)
- Higher AnTuTu: 3119308 vs 2313311
- Better Geekbench Single: 3041 vs 2205
- Better Geekbench Multi: 9494 vs 7192
- Bigger battery: 8550 vs 5500 mAh
- Faster charging: 100W vs 65W
- Cheaper at launch: $420 vs $1099
- Higher performance (92/100 vs 82/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 89/100)
- Better portability (40/100 vs 34/100)
Comparing the ASUS ROG Phone 8 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 2 points higher (73/100 vs 71/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 82/100). In the "camera" category, the ASUS ROG Phone 8 leads (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). Value score: ASUS ROG Phone 8 — 54/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 82/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the ASUS ROG Phone 8 notably outperforms the Redmi K90 Ultra (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi K90 Ultra is a bit better (40/100 vs 34/100).
| Specification | ASUS ROG Phone 8 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2313311 | 3119308 | |
| Geekbench Single | 2205 | 3041 | |
| Geekbench Multi | 7192 | 9494 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 5500 mAh | 8550 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 2500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.8×76.8×8.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 225 g | 227 g | |
| Launch price | $1099 | $420 |
ASUS ROG Phone 8
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
ASUS ROG Phone 8
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
ASUS ROG Phone 8
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared ASUS ROG Phone 8 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads ASUS ROG Phone 8 by 25.8% in our overall performance rating.
Launch price difference: $679. Redmi K90 Ultra was $679 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 82/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the ASUS ROG Phone 8 notably outperforms the Redmi K90 Ultra (56/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Redmi K90 Ultra is a bit better (40/100 vs 34/100).
Which is better: the ASUS ROG Phone 8 or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the ASUS ROG Phone 8 by just 2 points — the two devices are very close in overall level.
What is the rating of the ASUS ROG Phone 8 and the Redmi K90 Ultra?
The ASUS ROG Phone 8 has a MobileRank rating of 71/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the ASUS ROG Phone 8 or the Redmi K90 Ultra?
The ASUS ROG Phone 8 leads on camera score (56/100 vs 37/100).
Which is more powerful: the ASUS ROG Phone 8 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 82/100).
Should you choose the ASUS ROG Phone 8 over the Redmi K90 Ultra?
The ASUS ROG Phone 8 is a better fit for gamers and power users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.