OnePlus 9 vs OPPO A3x 4G
38.6Performance28.9
46.6Display37.6
39.3Camera20
55.9Battery53.4
65.3Features20
8 spec wins — OnePlus 95 spec wins — OPPO A3x 4G
InnoReviews verdict
OnePlus 9 wins this phone face-off, 46.5 to 32.9, pulling ahead mainly in features (+45) and camera (+19). OPPO A3x 4G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OnePlus 9
- Stronger performance score: 39 vs 29
- Stronger display score: 47 vs 38
- Stronger camera score: 39 vs 20
- Stronger features score: 65 vs 20
- 500% higher Main camera: 48 MP vs 8 MP
Reasons to pick the OPPO A3x 4G
- 13% higher capacity: 5,100 mAh vs 4,500 mAh
- 12% lower thickness: 7.7 mm vs 8.7 mm
- Has 3.5mm jack — the other doesn't
Display
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| Screen size | 6.55 ″ | 6.67 ″+2% |
| Panel type | AMOLED | LCD |
| Resolution | 2400x1080 | 1604x720 |
| Pixel density | 402 ppi+52% | 264 ppi |
| Refresh rate | 120 Hz+33% | 90 Hz |
| Peak brightness | 1,100 nits+10% | 1,000 nits |
| Screen-to-body | — | 89.9 % |
Performance
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| Chipset | Snapdragon 888 | Snapdragon 6s 4G Gen 1 |
| AnTuTu | 1,040,324 | — |
| Geekbench 6 (single) | 1,450Top 44% | — |
| Geekbench 6 (multi) | 3,650Top 50% | — |
| RAM (max) | 8 GB | 8 GB |
| Storage options | 128GB / 256GB | 64GB / 128GB / 256GB |
| Storage type | UFS 3.1 | eMMC 5.1 |
Camera
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| Main camera | 48 MP+500% | 8 MP |
| Main aperture | f/1.8 | f/2.0 |
| Ultra-wide | 50 MP | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 16 MP+220% | 5 MP |
| OIS | No | — |
Battery
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| Capacity | 4,500 mAh | 5,100 mAh+13% |
| Wired charging | 65 W+44% | 45 W |
| Wireless charging | 15 W | — |
Design
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| Weight | 192 g | 186 g+3% |
| Thickness | 8.7 mm | 7.7 mm+12% |
| IP rating | — | IP54 |
| Frame material | Plastic | — |
Connectivity
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.0 |
| NFC | Yes | No |
| USB | USB-C 3.1 | USB-C |
| eSIM | No | — |
Software
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| OS at launch | Android 11 (OxygenOS 11) | Android 14 (ColorOS 14) |
| OS update pledge | 3 years | — |
Audio
| Spec | OnePlus 9 | OPPO A3x 4G |
|---|---|---|
| Stereo speakers | Yes | — |
| 3.5mm jack | No | Yes |