ASUS ROG Phone 9 vs Redmi K90
The ASUS ROG Phone 9 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $999 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 71/100 (a 5-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5800); the ASUS ROG Phone 9 is faster in AnTuTu (3,136,217 vs 3,077,585); the Redmi K90 is noticeably lighter (206g vs 227g).
Profile comparison
Category scores
ASUS ROG Phone 9
Redmi K90
What makes ASUS ROG Phone 9 better?
- Higher AnTuTu: 3136217 vs 3077585
- Better Geekbench Single: 3100 vs 3013
- Better Geekbench Multi: 9900 vs 9287
- Higher refresh rate: 185Hz vs 120Hz
- Higher performance (92/100 vs 91/100)
- Better display (89/100 vs 82/100)
What makes Redmi K90 better?
- Bigger battery: 7100 vs 5800 mAh
- Faster charging: 100W vs 65W
- Lighter: 206g vs 227g
- Cheaper at launch: $401 vs $999
- Better camera (58/100 vs 42/100)
- Longer battery life (72/100 vs 67/100)
- Better portability (55/100 vs 33/100)
Comparison verdict
Comparing the ASUS ROG Phone 9 vs the Redmi K90, the Redmi K90 scores 5 points higher (76/100 vs 71/100). In the "camera" category, the Redmi K90 leads (58/100 vs 42/100). Value score: ASUS ROG Phone 9 — 52/100, Redmi K90 — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the ASUS ROG Phone 9 and the Redmi K90 are nearly equal (92/100 vs 91/100). In the "display" category, the ASUS ROG Phone 9 is a bit better (89/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the ASUS ROG Phone 9 (58/100 vs 42/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 67/100). In the "portability" category, the Redmi K90 notably outperforms the ASUS ROG Phone 9 (55/100 vs 33/100).
Specs comparison
| Specification | ASUS ROG Phone 9 | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3136217 | 3077585 | |
| Geekbench Single | 3100 | 3013 | |
| Geekbench Multi | 9900 | 9287 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 2400x1080 | 2510x1156 | |
| Refresh rate | 185 Hz | 120 Hz | |
| Battery | 5800 mAh | 7100 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 / ROG UI | Android 16 | |
| Brightness (peak) | 2500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×76.8×8.9 mm | 157.5×75.3×8.0 mm | |
| Weight | 227 g | 206 g | |
| Launch price | $999 | $401 |
Camera comparison
ASUS ROG Phone 9
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Front: 32MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
ASUS ROG Phone 9
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 185 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
ASUS ROG Phone 9
- 5800 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared ASUS ROG Phone 9 and Redmi K90, covering their specs and all relevant benchmarks.
ASUS ROG Phone 9 leads Redmi K90 by 1.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $598. Redmi K90 was $598 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the ASUS ROG Phone 9 and the Redmi K90 are nearly equal (92/100 vs 91/100).
display
In the "display" category, the ASUS ROG Phone 9 is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the ASUS ROG Phone 9 (58/100 vs 42/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 67/100).
portability
In the "portability" category, the Redmi K90 notably outperforms the ASUS ROG Phone 9 (55/100 vs 33/100).
Frequently asked questions
Which is better: the ASUS ROG Phone 9 or the Redmi K90?
The Redmi K90 edges out the ASUS ROG Phone 9 by just 5 points — the two devices are very close in overall level.
What is the rating of the ASUS ROG Phone 9 and the Redmi K90?
The ASUS ROG Phone 9 has a MobileRank rating of 71/100, the Redmi K90 — 76/100.
Which has the better camera: the ASUS ROG Phone 9 or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 42/100).
Should you choose the ASUS ROG Phone 9 over the Redmi K90?
The ASUS ROG Phone 9 is a better fit for gamers and power users. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.