ASUS ROG Phone 6D vs Redmi K90 Ultra
The ASUS ROG Phone 6D (2022) runs on the MediaTek Dimensity 9000+, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $749 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 61/100 (a 12-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,453,683); the Redmi K90 Ultra is thinner (8.2mm vs 10.4mm).
ASUS ROG Phone 6D
Redmi K90 Ultra
- Overall rating 61/100
- Higher AnTuTu: 3233695 vs 1453683
- Better Geekbench Single: 3041 vs 1967
- Better Geekbench Multi: 9494 vs 5401
- Bigger battery: 8550 vs 6000 mAh
- Faster charging: 100W vs 65W
- Lighter: 227g vs 239g
- Cheaper at launch: $420 vs $749
- Higher performance (92/100 vs 73/100)
- Better camera (37/100 vs 36/100)
- Longer battery life (78/100 vs 60/100)
- Better display (94/100 vs 89/100)
- Better portability (40/100 vs 20/100)
Comparing the ASUS ROG Phone 6D vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 12 points higher (73/100 vs 61/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 73/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 60/100). Value score: ASUS ROG Phone 6D — 34/100, 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 notably outperforms the ASUS ROG Phone 6D (92/100 vs 73/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Redmi K90 Ultra and the ASUS ROG Phone 6D are nearly equal (37/100 vs 36/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the ASUS ROG Phone 6D (78/100 vs 60/100). In the "portability" category, the Redmi K90 Ultra notably outperforms the ASUS ROG Phone 6D (40/100 vs 20/100).
| Specification | ASUS ROG Phone 6D | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9000+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1453683 | 3233695 | |
| Geekbench Single | 1967 | 3041 | |
| Geekbench Multi | 5401 | 9494 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 2448x1080 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 6000 mAh | 8550 mAh | |
| Charging | 65W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Front camera | 12 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 12 / ROG UI | Android 16 | |
| Brightness (peak) | 1200 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IPX4 | IP68/IP69 | |
| Dimensions | 173.0×77.0×10.4 mm | 162.9×77.9×8.2 mm | |
| Weight | 239 g | 227 g | |
| Launch price | $749 | $420 |
ASUS ROG Phone 6D
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Front: 12MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
ASUS ROG Phone 6D
- 6.8" AMOLED
- Resolution: 2448x1080
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
ASUS ROG Phone 6D
- 6000 mAh
- Wired: 65W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared ASUS ROG Phone 6D and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads ASUS ROG Phone 6D by 55.0% in our overall performance rating.
Launch price difference: $329. Redmi K90 Ultra was $329 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the ASUS ROG Phone 6D (92/100 vs 73/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Redmi K90 Ultra and the ASUS ROG Phone 6D are nearly equal (37/100 vs 36/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the ASUS ROG Phone 6D (78/100 vs 60/100).
portability
In the "portability" category, the Redmi K90 Ultra notably outperforms the ASUS ROG Phone 6D (40/100 vs 20/100).
Which is better: the ASUS ROG Phone 6D or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the ASUS ROG Phone 6D — the overall rating gap is 12 points.
What is the rating of the ASUS ROG Phone 6D and the Redmi K90 Ultra?
The ASUS ROG Phone 6D has a MobileRank rating of 61/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the ASUS ROG Phone 6D or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 73/100).
Should you choose the ASUS ROG Phone 6D over the Redmi K90 Ultra?
The ASUS ROG Phone 6D is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.