OPPO A78 5G vs Samsung Galaxy M55 5G
23.2Performance46.7
35.2Display46.8
29Camera49.8
47.8Battery52.5
60Features70.7
1 spec wins — OPPO A78 5G10 spec wins — Samsung Galaxy M55 5G
InnoReviews verdict
Samsung Galaxy M55 5G wins this phone face-off, 50.9 to 35.4, pulling ahead mainly in performance (+24) and camera (+21). 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 3.5mm jack — the other doesn't
Reasons to pick the Samsung Galaxy M55 5G
- Stronger performance score: 47 vs 23
- Stronger display score: 47 vs 35
- Stronger camera score: 50 vs 29
- Stronger battery score: 53 vs 48
- Stronger features score: 71 vs 60
Display
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| Screen size | 6.56 ″ | 6.7 ″+2% |
| Panel type | IPS LCD | Super AMOLED+ |
| Resolution | 1612x720 | 1080x2400 |
| Pixel density | 269 ppi | 393 ppi+46% |
| Refresh rate | 90 Hz | 120 Hz+33% |
| Peak brightness | — | 1,000 nits |
| Screen-to-body | — | 86.4 % |
Performance
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| Chipset | MediaTek Dimensity 700 | Qualcomm Snapdragon 7 Gen 1 |
| AnTuTu | 360,000 | — |
| Geekbench 6 (single) | 730Bottom 13% | — |
| Geekbench 6 (multi) | 1,900Bottom 12% | — |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128GB | 128/256GB |
| Storage type | UFS 2.2 | — |
Camera
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 8 MP |
| Max video | 1080p@30fps | 4K@30fps |
| Front camera | 8 MP | 50 MP+525% |
| OIS | No | Yes |
Battery
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 33 W | 45 W+36% |
Design
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| Weight | 188 g | 180 g+4% |
| Thickness | 8 mm | 7.8 mm+3% |
| IP rating | IP54 | — |
| Frame material | Plastic | Plastic |
Connectivity
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.3 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| OS at launch | Android 13 (ColorOS 13) | Android 14 (One UI 6.1) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | OPPO A78 5G | Samsung Galaxy M55 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |