OPPO A78 5G vs Samsung Galaxy A51
23.2Performance20
35.2Display30.8
29Camera34.7
47.8Battery29.4
60Features33.3
11 spec wins — OPPO A78 5G5 spec wins — Samsung Galaxy A51
InnoReviews verdict
OPPO A78 5G wins this phone face-off, 35.4 to 28.3, pulling ahead mainly in features (+27) and battery (+18). Samsung Galaxy A51 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
- Stronger performance score: 23 vs 20
- Stronger display score: 35 vs 31
- Stronger battery score: 48 vs 29
- Stronger features score: 60 vs 33
- 120% higher Wired charging: 33 W vs 15 W
- Lower launch price: $249 vs $399
Reasons to pick the Samsung Galaxy A51
- Stronger camera score: 35 vs 29
- 300% higher Front camera: 32 MP vs 8 MP
- 51% higher Pixel density: 405 ppi vs 269 ppi
- 50% higher OS update pledge: 3 years vs 2 years
Display
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| Screen size | 6.56 ″+1% | 6.5 ″ |
| Panel type | IPS LCD | Super AMOLED |
| Resolution | 1612x720 | 2400x1080 |
| Pixel density | 269 ppi | 405 ppi+51% |
| Refresh rate | 90 Hz+50% | 60 Hz |
Performance
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| Chipset | MediaTek Dimensity 700 | Samsung Exynos 9611 |
| AnTuTu 10 | 360,000+67%Top 88% | 215,000Top 98% |
| Geekbench 6 (single) | 730+109%Top 83% | 350Top 99% |
| Geekbench 6 (multi) | 1,900+52%Top 87% | 1,250Top 100% |
| RAM (max) | 8 GB+33% | 6 GB |
| Storage options | 128GB | 64GB / 128GB |
| Storage type | UFS 2.2 | UFS 2.0 |
Camera
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| Main camera | 50 MP+4% | 48 MP |
| Main aperture | f/1.8 | f/2.0 |
| Ultra-wide | — | 12 MP |
| Max video | 1080p@30fps | 4K@30fps |
| Front camera | 8 MP | 32 MP+300% |
| OIS | No | No |
Battery
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| Capacity | 5,000 mAh+25% | 4,000 mAh |
| Wired charging | 33 W+120% | 15 W |
Design
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| Weight | 188 g | 172 g+9% |
| Thickness | 8 mm | 7.9 mm+1% |
| IP rating | IP54 | — |
| Frame material | Plastic | Plastic |
Connectivity
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.3 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| OS at launch | Android 13 (ColorOS 13) | Android 10 (One UI 2) |
| OS update pledge | 2 years | 3 years+50% |
Audio
| Spec | OPPO A78 5G | Samsung Galaxy A51 |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | Yes | Yes |