Oppo K14 vs Redmi K90 Ultra
The Oppo K14 (2026) runs on the MediaTek Dimensity 6300, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $210 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 44/100 (a 29-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 528,398); the Redmi K90 Ultra has NFC for contactless payments, the Oppo K14 doesn't.
Profile comparison
Category scores
Oppo K14
Redmi K90 Ultra
What makes Oppo K14 better?
- Lighter: 216g vs 227g
- Cheaper at launch: $210 vs $420
- Better portability (44/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 528398
- Better Geekbench Single: 3013 vs 771
- Better Geekbench Multi: 9287 vs 1980
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 43/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 60/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Oppo K14 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 29 points higher (73/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 43/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 60/100). Value score: Oppo K14 — 46/100, 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 K14 (92/100 vs 43/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Oppo K14 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Oppo K14 (78/100 vs 60/100). In the "portability" category, the Oppo K14 and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).
Specs comparison
| Specification | Oppo K14 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 528398 | 3233695 | |
| Geekbench Single | 771 | 3013 | |
| Geekbench Multi | 1980 | 9287 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1570 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1125 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 166.6×78.5×8.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 216 g | 227 g | |
| Launch price | $210 | $420 |
Camera comparison
Oppo K14
- Main: 50MP f/1.8
- Front: 8MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo K14
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Oppo K14
- 7000 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo K14 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo K14 by 83.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $210. Oppo K14 was $210 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo K14 (92/100 vs 43/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Oppo K14 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Oppo K14 (78/100 vs 60/100).
portability
In the "portability" category, the Oppo K14 and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo K14 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Oppo K14 by 29 points (73/100 vs 44/100).
What is the rating of the Oppo K14 and the Redmi K90 Ultra?
The Oppo K14 has a MobileRank rating of 44/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Oppo K14 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Oppo K14 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 43/100).
Should you choose the Oppo K14 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.