Oppo K11x vs Redmi K90 Ultra
The Oppo K11x (2023) runs on the Qualcomm Snapdragon 695 5G, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 49/100 (a 24-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 108 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 592,015); the Redmi K90 Ultra has NFC for contactless payments, the Oppo K11x doesn't; the Oppo K11x is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
Oppo K11x
Redmi K90 Ultra
What makes Oppo K11x better?
- Better main camera: 108MP vs 50MP
- Lighter: 195g vs 227g
- Better camera (41/100 vs 37/100)
- Better portability (59/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 592015
- Better Geekbench Single: 3013 vs 905
- Better Geekbench Multi: 9287 vs 2101
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 46/100)
- Longer battery life (78/100 vs 53/100)
- Better display (94/100 vs 66/100)
Comparison verdict
Comparing the Oppo K11x vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 24 points higher (73/100 vs 49/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 46/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 53/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo K11x (92/100 vs 46/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo K11x (94/100 vs 66/100). In the "camera" category, the Oppo K11x and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Oppo K11x (78/100 vs 53/100). In the "portability" category, the Oppo K11x notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Specs comparison
| Specification | Oppo K11x | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 592015 | 3233695 | |
| Geekbench Single | 905 | 3013 | |
| Geekbench Multi | 2101 | 9287 | |
| Display | 6.7" IPS LCD | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 67W | 100W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 13, ColorOS 13.1 | Android 16 | |
| Brightness (peak) | 680 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 165.5×76.0×8.3 mm | 162.9×77.9×8.2 mm | |
| Weight | 195 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Oppo K11x
- Main: 108MP f/1.8
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo K11x
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Oppo K11x
- 5000 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo K11x and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo K11x by 81.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo K11x
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo K11x (92/100 vs 46/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo K11x (94/100 vs 66/100).
camera
In the "camera" category, the Oppo K11x and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Oppo K11x (78/100 vs 53/100).
portability
In the "portability" category, the Oppo K11x notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo K11x or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Oppo K11x by 24 points (73/100 vs 49/100).
What is the rating of the Oppo K11x and the Redmi K90 Ultra?
The Oppo K11x has a MobileRank rating of 49/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Oppo K11x or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 46/100).
Should you choose the Oppo K11x over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.