OPPO A78 5G vs Vivo S2
23.2Performance28.9
35.2Display65.5
29Camera34.1
47.8Battery70.9
60Features57.3
3 spec wins — OPPO A78 5G8 spec wins — Vivo S2
InnoReviews verdict
Vivo S2 wins this phone face-off, 48.5 to 35.4, pulling ahead mainly in display (+30) and battery (+23). OPPO A78 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO A78 5G
- Has NFC — the other doesn't
- Has 3.5mm jack — the other doesn't
Reasons to pick the Vivo S2
- Stronger performance score: 29 vs 23
- Stronger display score: 66 vs 35
- Stronger camera score: 34 vs 29
- Stronger battery score: 71 vs 48
- 300% higher Front camera: 32 MP vs 8 MP
Display
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| Screen size | 6.56 ″ | 6.83 ″+4% |
| Panel type | IPS LCD | 3D Curved AMOLED |
| Resolution | 1612x720 | 1260x2800 |
| Pixel density | 269 ppi | 449 ppi+67% |
| Refresh rate | 90 Hz | 120 Hz+33% |
| Peak brightness | — | 3,000 nits |
| Screen-to-body | — | 91.4 % |
Performance
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| Chipset | MediaTek Dimensity 700 | MediaTek Dimensity 7360-Turbo |
| AnTuTu | 360,000 | — |
| Geekbench 6 (single) | 730Bottom 13% | — |
| Geekbench 6 (multi) | 1,900Bottom 12% | — |
| RAM (max) | 8 GB | 8 GB |
| Storage options | 128GB | 128/256GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Max video | 1080p@30fps | — |
| Front camera | 8 MP | 32 MP+300% |
| OIS | No | No |
Battery
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| Capacity | 5,000 mAh | 7,050 mAh+41% |
| Wired charging | 33 W | 44 W+33% |
Design
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| Weight | 188 g+5% | 197 g |
| Thickness | 8 mm | 8 mm |
| IP rating | IP54 | IP68/IP69 |
| Frame material | Plastic | Plastic |
Connectivity
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.3 | 5.4 |
| NFC | Yes | No |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| OS at launch | Android 13 (ColorOS 13) | Android 16 (OriginOS 6) |
| OS update pledge | 2 years | 3 years+50% |
Audio
| Spec | OPPO A78 5G | Vivo S2 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |