Redmi K90 Max vs Sharp Aquos R9
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Sharp Aquos R9 (2024) runs on the Qualcomm Snapdragon 7+ Gen 3; launch prices were $504 and $599. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 68/100 (a 7-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5000); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 1,660,924); the Sharp Aquos R9 is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
Redmi K90 Max
Sharp Aquos R9
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 1660924
- Better Geekbench Single: 3293 vs 1860
- Better Geekbench Multi: 10243 vs 5045
- Bigger battery: 8550 vs 5000 mAh
- Cheaper at launch: $504 vs $599
- Higher performance (96/100 vs 74/100)
- Longer battery life (78/100 vs 52/100)
- Better display (94/100 vs 90/100)
What makes Sharp Aquos R9 better?
- Higher refresh rate: 240Hz vs 165Hz
- Lighter: 195g vs 227g
- Better camera (60/100 vs 37/100)
- Better portability (52/100 vs 41/100)
Comparison verdict
Comparing the Redmi K90 Max vs the Sharp Aquos R9, the Redmi K90 Max scores 7 points higher (75/100 vs 68/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 74/100). In the "camera" category, the Sharp Aquos R9 leads (60/100 vs 37/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 52/100). Value score: Redmi K90 Max — 72/100, Sharp Aquos R9 — 50/100; 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 Redmi K90 Max notably outperforms the Sharp Aquos R9 (96/100 vs 74/100). In the "display" category, the Redmi K90 Max and the Sharp Aquos R9 are nearly equal (94/100 vs 90/100). In the "camera" category, the Sharp Aquos R9 notably outperforms the Redmi K90 Max (60/100 vs 37/100). In the "battery" category, the Redmi K90 Max notably outperforms the Sharp Aquos R9 (78/100 vs 52/100). In the "portability" category, the Sharp Aquos R9 is a bit better (52/100 vs 41/100).
Specs comparison
| Specification | Redmi K90 Max | Sharp Aquos R9 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 7+ Gen 3 | |
| AnTuTu | 3760662 | 1660924 | |
| Geekbench Single | 3293 | 1860 | |
| Geekbench Multi | 10243 | 5045 | |
| Display | 6.8" AMOLED | 6.5" PRO IGZO LTPO OLED | |
| Resolution | 2772x1280 | 1080x2340 | |
| Refresh rate | 165 Hz | 240 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 3500 nits | 2000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.9×77.9×8.1 mm | 156.0×75.0×8.9 mm | |
| Weight | 227 g | 195 g | |
| Launch price | $504 | $599 |
Camera comparison
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Sharp Aquos R9
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Front: 50MP
Display comparison
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Sharp Aquos R9
- 6.5" PRO IGZO LTPO OLED
- Resolution: 1080x2340
- Refresh rate: 240 Hz
Battery and charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Sharp Aquos R9
- 5000 mAh
- No wireless charging
Overall performance score
We compared Redmi K90 Max and Sharp Aquos R9, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Sharp Aquos R9 by 126.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $95. Redmi K90 Max was $95 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Max notably outperforms the Sharp Aquos R9 (96/100 vs 74/100).
display
In the "display" category, the Redmi K90 Max and the Sharp Aquos R9 are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, the Sharp Aquos R9 notably outperforms the Redmi K90 Max (60/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Sharp Aquos R9 (78/100 vs 52/100).
portability
In the "portability" category, the Sharp Aquos R9 is a bit better (52/100 vs 41/100).
Frequently asked questions
Which is better: the Redmi K90 Max or the Sharp Aquos R9?
The Redmi K90 Max edges out the Sharp Aquos R9 by just 7 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Max and the Sharp Aquos R9?
The Redmi K90 Max has a MobileRank rating of 75/100, the Sharp Aquos R9 — 68/100.
Which has the better camera: the Redmi K90 Max or the Sharp Aquos R9?
The Sharp Aquos R9 leads on camera score (60/100 vs 37/100).
Which is more powerful: the Redmi K90 Max or the Sharp Aquos R9?
The Redmi K90 Max leads on performance (96/100 vs 74/100).
Should you choose the Redmi K90 Max over the Sharp Aquos R9?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life. The Sharp Aquos R9 is a better fit for active users.