OPPO A6s Pro vs Redmi K90 Ultra
The OPPO A6s Pro (2026) runs on the MediaTek Helio G100 Max, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $310 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 53/100 (a 20-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 575,630); the OPPO A6s Pro is noticeably lighter (190g vs 227g).
Profile comparison
Category scores
OPPO A6s Pro
Redmi K90 Ultra
What makes OPPO A6s Pro better?
- Lighter: 190g vs 227g
- Cheaper at launch: $310 vs $420
- Better camera (40/100 vs 37/100)
- Better portability (65/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 575630
- Better Geekbench Single: 3013 vs 727
- Better Geekbench Multi: 9287 vs 2014
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 44/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 80/100)
Comparison verdict
Comparing the OPPO A6s Pro vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 20 points higher (73/100 vs 53/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 44/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: OPPO A6s Pro — 44/100, Redmi K90 Ultra — 72/100; 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 Ultra significantly outperforms the OPPO A6s Pro (92/100 vs 44/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the OPPO A6s Pro and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the OPPO A6s Pro notably outperforms the Redmi K90 Ultra (65/100 vs 40/100).
Specs comparison
| Specification | OPPO A6s Pro | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G100 Max | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 575630 | 3233695 | |
| Geekbench Single | 727 | 3013 | |
| Geekbench Multi | 2014 | 9287 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2372 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68/IP69 | |
| Dimensions | 158.2×75.0×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 190 g | 227 g | |
| Launch price | $310 | $420 |
Camera comparison
OPPO A6s Pro
- Main: 50MP f/1.8
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO A6s Pro
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO A6s Pro
- 7000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OPPO A6s Pro and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OPPO A6s Pro by 82.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $110. OPPO A6s Pro was $110 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO A6s Pro (92/100 vs 44/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the OPPO A6s Pro and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the OPPO A6s Pro notably outperforms the Redmi K90 Ultra (65/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO A6s Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the OPPO A6s Pro by 20 points (73/100 vs 53/100).
What is the rating of the OPPO A6s Pro and the Redmi K90 Ultra?
The OPPO A6s Pro has a MobileRank rating of 53/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the OPPO A6s Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 44/100).
Should you choose the OPPO A6s Pro over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.