Samsung
Device summary
OPPO
A3 Pro
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2024 |
| Starting price | — | — |
| Display size | 6.7-inch | 6.7-inch |
| Dimensions | 76.5 mm × 163.9 mm × 7.8 mm | 76.1 mm × 165.8 mm × 7.7 mm |
| Weight | 180 g | 186 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED Plus | LCD |
| Resolution | 1080 × 2400 | 1604 × 720 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 1000 nits |
| Protection | — | China Southern Glass (twice-reinforced) |
| Performance | ||
| Chipset | Qualcomm Snapdragon 7 Gen 1 | MediaTek Dimensity 6300 |
| RAM | 8 GB | 6 GB, 8 GB |
| Storage | 128 GB | 128 GB, 256 GB |
| Expandable storage | Yes | Yes |
| Cameras | ||
| Main camera | Wide · 50 MP · ƒ/1.8 · OIS | — |
| Ultra-wide camera | Ultra Wide · 8 MP · ƒ/2.2 | — |
| Macro camera | Macro · 2 MP · ƒ/2.4 | — |
| Front cameras | Selfie · 50 MP · ƒ/2.4 | — |
| Battery & charging | ||
| Wired charging | 25 W | 45 W |
| Charging standard | Super Fast Charging | SUPERVOOC |
| Typical capacity | 5000 mAh | 5100 mAh |
| Rated capacity | — | 4970 mAh |
| Connectivity | ||
| Cellular | 5G, LTE, 3G, 2G | 5G, LTE, 3G, 2G |
| Wi‑Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.3 |
| USB | USB Type-C | USB Type-C |
| NFC | Yes | Yes |
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2024 |
| Starting price | — | — |
| Display size | 6.7-inch | 6.7-inch |
| Dimensions | 76.5 mm × 163.9 mm × 7.8 mm | 76.1 mm × 165.8 mm × 7.7 mm |
| Weight | 180 g | 186 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED Plus | LCD |
| Resolution | 1080 × 2400 | 1604 × 720 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 1000 nits |
| Protection | — | China Southern Glass (twice-reinforced) |
| Performance | ||
| Chipset | Qualcomm Snapdragon 7 Gen 1 | MediaTek Dimensity 6300 |
| RAM | 8 GB | 6 GB, 8 GB |
| Storage | 128 GB | 128 GB, 256 GB |
| Expandable storage | Yes | Yes |
| Cameras | ||
| Main camera | Wide · 50 MP · ƒ/1.8 · OIS | — |
| Ultra-wide camera | Ultra Wide · 8 MP · ƒ/2.2 | — |
| Macro camera | Macro · 2 MP · ƒ/2.4 | — |
| Front cameras | Selfie · 50 MP · ƒ/2.4 | — |
| Battery & charging | ||
| Wired charging | 25 W | 45 W |
| Charging standard | Super Fast Charging | SUPERVOOC |
| Typical capacity | 5000 mAh | 5100 mAh |
| Rated capacity | — | 4970 mAh |
| Connectivity | ||
| Cellular | 5G, LTE, 3G, 2G | 5G, LTE, 3G, 2G |
| Wi‑Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.3 |
| USB | USB Type-C | USB Type-C |
| NFC | Yes | Yes |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
A3 Pro
1.9 mm taller · minor difference
Weight
Galaxy M55
6 g lighter · minor difference
Width
Very similar width
Thickness
Very similar thickness
Galaxy M55 vs A3 Pro Size Comparison
User Experience Summary
Galaxy M55
Strengths
- Vivid 120Hz Super AMOLED Plus display with punchy colors
- Dependable all-day battery life with 45W fast-charging support
- Stereo speakers and under-display fingerprint sensor uncommon at this price
Compromises
- Camera app is noticeably slow, especially for automatic night-mode shots
- Battery and camera resolution reduced compared with the previous M54
- Phone runs warm during extended gaming or camera app use
A3 Pro
Strengths
- 5,100 mAh battery delivers exceptional all-day endurance
- Slim 7.68mm profile despite a large internal battery
- 45W SUPERVOOC charging is fast for the price tier
Compromises
- 720p display resolution looks soft for text and fine detail
- Noticeable motion blur from the LCD panel's response time
- Single functional rear camera lens limits shooting versatility