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 (3,119,308 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).
Oppo K11x
Redmi K90 Ultra
- Better main camera: 108MP vs 50MP
- Lighter: 195g vs 227g
- Better camera (41/100 vs 37/100)
- Better portability (59/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 592015
- Better Geekbench Single: 3041 vs 905
- Better Geekbench Multi: 9494 vs 2003
- 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)
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).
| Specification | Oppo K11x | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 592015 | 3119308 | |
| Geekbench Single | 905 | 3041 | |
| Geekbench Multi | 2003 | 9494 | |
| 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 |
Oppo K11x
- Main: 108MP f/f/1.8
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Oppo K11x
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Oppo K11x
- 5000 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Oppo K11x and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo K11x by 81.0% in our overall performance rating.
Oppo K11x
Price unknownperformance
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).
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 Oppo K11x is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.