Category Breakdown
Camera
K9
Main sensor resolution (64 MP)
WinsBattery
F31 Pro
Battery capacity (7,000 mAh)
WinsCharging
F31 Pro
Wired charging speed (80W)
WinsPerformance
—
AnTuTu benchmark
—Display
F31 Pro
Screen size (6.57")
WinsWeight
K9
Total weight (172g)
WinsValue
F31 Pro
Specs-per-dollar (server score) (9.4/10)
WinsFull Spec Comparison
| Spec | F31 Pro | K9 |
|---|---|---|
Display | ||
| 6.57" | 6.43" | |
| 1,080 × 2,372 | 1,080 × 2,400 | |
| AMOLED | Super AMOLED | |
| 120Hz | 90Hz | |
| — | 750 nits | |
Camera | ||
| 50 MP | 64 MP | |
| Dual | Triple | |
| Yes | No | |
| Fingerprint (under display, Fingerprint (under display, optical), accelerometer, compass, gyro, optical), proximity | Fingerprint (under display, Fingerprint (under display, optical), accelerometer, compass, gyro, optical), proximity | |
Performance | ||
| Mediatek Dimensity 7300 (4 nm) | Qualcomm SM7250-AC Snapdragon 768G 5G (7 nm) | |
| 12 GB | 8 GB | |
| 256 GB | 256 GB | |
Battery | ||
| 7,000 mAh | 4,300 mAh | |
| 80W | 65W | |
| No | No | |
Build | ||
| 190g | 172g | |
| 8mm | 7.9mm | |
| — | glass front, plastic frame, plastic back | |
| — | none | |
| Mid-Range | Mid-Range | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Best overall value
Oppo F31 Pro
Highest value score — most specs per dollar.
Budget pick
Oppo K9
Lowest price while still competitive.
Photography
Oppo K9
Highest resolution main camera.