Redmi K90 Ultra vs Sharp Aquos R8s Pro
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Sharp Aquos R8s Pro (2023) runs on the Qualcomm Snapdragon 8 Gen 2. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 47 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,757,044); the Sharp Aquos R8s Pro is noticeably lighter (203g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Sharp Aquos R8s Pro
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1757044
- Better Geekbench Single: 3013 vs 2004
- Better Geekbench Multi: 9287 vs 5311
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 27W
- Better main camera: 50MP vs 47MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 76/100)
- Better camera (37/100 vs 29/100)
- Longer battery life (78/100 vs 44/100)
- Better display (94/100 vs 85/100)
What makes Sharp Aquos R8s Pro better?
- Lighter: 203g vs 227g
- Better portability (43/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Sharp Aquos R8s Pro, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 76/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Sharp Aquos R8s Pro (92/100 vs 76/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Sharp Aquos R8s Pro (78/100 vs 44/100). In the "portability" category, the Sharp Aquos R8s Pro and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Sharp Aquos R8s Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 2 | |
| AnTuTu | 3233695 | 1757044 | |
| Geekbench Single | 3013 | 2004 | |
| Geekbench Multi | 9287 | 5311 | |
| Display | 6.8" AMOLED | 6.6" LTPO IGZO OLED | |
| Resolution | 1280x2772 | 1260x2730 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 27W | |
| Main camera | 50 MP | 47 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 13 | |
| Brightness (peak) | 3500 nits | 2000 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 161.0×77.0×9.3 mm | |
| Weight | 227 g | 203 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Sharp Aquos R8s Pro
- Main: 47MP
- Front: 12MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Sharp Aquos R8s Pro
- 6.6" LTPO IGZO OLED
- Resolution: 1260x2730
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Sharp Aquos R8s Pro
- 5000 mAh
- Wired: 27W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Sharp Aquos R8s Pro, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Sharp Aquos R8s Pro by 84.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Sharp Aquos R8s Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Sharp Aquos R8s Pro (92/100 vs 76/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 29/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Sharp Aquos R8s Pro (78/100 vs 44/100).
portability
In the "portability" category, the Sharp Aquos R8s Pro and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Sharp Aquos R8s Pro?
The Redmi K90 Ultra is noticeably better than the Sharp Aquos R8s Pro — the overall rating gap is 15 points.
What is the rating of the Redmi K90 Ultra and the Sharp Aquos R8s Pro?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Sharp Aquos R8s Pro — 58/100.
Which has the better camera: the Redmi K90 Ultra or the Sharp Aquos R8s Pro?
The Redmi K90 Ultra leads on camera score (37/100 vs 29/100).
Which is more powerful: the Redmi K90 Ultra or the Sharp Aquos R8s Pro?
The Redmi K90 Ultra leads on performance (92/100 vs 76/100).
Should you choose the Redmi K90 Ultra over the Sharp Aquos R8s Pro?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Sharp Aquos R8s Pro is a better fit for active users.