The Oppo A series consistently delivers affordable smartphones packed with features. Two contenders vying for your attention are the Oppo A55s and the Oppo A57 4G. But which one offers the best value for your money? Let's dive into a comprehensive comparison to help you make the right choice.
🏆 Quick Verdict
The Oppo A57 4G emerges as the clear winner thanks to its significantly faster charging (33W vs 10W), a more efficient chipset, and generally improved performance. While the A55s has a slightly more powerful CPU core, the A57 4G's overall package is more compelling.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 34, 38, 39, 40, 41 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| 5G bands | 1, 28, 41, 77, 78 | - |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / CDMA / HSPA / LTE / 5G | GSM / HSPA / LTE |
| | CDMA 800 | - |
| Launch |
|---|
| Announced | 2022, April 18 | 2022, May 27 |
| Status | Available. Released 2022, April 18 | Available. Released 2022, June 06 |
| Body |
|---|
| Build | - | Glass front, plastic frame, plastic back |
| Dimensions | 163.9 x 75.7 x 8.4 mm (6.45 x 2.98 x 0.33 in) | 163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 186 g (6.56 oz) | 187 g (6.60 oz) |
| | - | IP5X (dust), IPX4 (water) resistance |
| Display |
|---|
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) | 720 x 1612 pixels, 20:9 ratio (~269 ppi density) |
| Size | 6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio) | 6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio) |
| Type | IPS LCD, 480 nits (peak) | IPS LCD |
| Platform |
|---|
| CPU | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset | Mediatek Dimensity 700 (7 nm) | Mediatek MT6765G Helio G35 (12 nm) |
| GPU | Mali-G57 MC2 | PowerVR GE8320 |
| OS | Android 11, ColorOS 11.1 | Android 12, upgradable to Android 14, ColorOS 14 |
| Memory |
|---|
| Card slot | microSDXC | microSDXC |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM |
| | - | eMMC 5.1 |
| Main Camera |
|---|
| Dual | - | 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF
Auxiliary lens |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Single | 8 MP, f/2.0, (wide) | 8 MP, f/2.0, (wide) |
| Triple | 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF
2 MP (macro)
Auxiliary lens | - |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera |
|---|
| Features | HDR | HDR |
| Single | 8 MP, f/2.0, (wide) | 8 MP, f/2.0, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.1, A2DP, LE, aptX HD | 5.3, A2DP, LE, aptX HD |
| NFC | No | No |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS |
| Radio | No | Unspecified |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity |
| Battery |
|---|
| Charging | 10W wired | 33W wired, 50% in 30 min |
| Type | Li-Po 5000 mAh | Li-Po 5000 mAh |
| Misc |
|---|
| Colors | Black, Blue, Gold | Glowing Black, Glowing Green |
| Models | CPH2309 | CPH2387 |
| Price | About 160 EUR | About 440 EUR |
Oppo A55s
- Slightly more powerful CPU core
- Slow 10W charging
- Less efficient chipset
- Potentially older software
Oppo A57 4G
- 33W fast charging
- More efficient chipset (Helio G35)
- Generally smoother performance
- Likely newer software
- CPU cores are less powerful individually
Display Comparison
Both phones likely feature similar display technology (likely an LCD) and resolution (likely FHD+). The A57 4G might have slightly better color accuracy or brightness due to potential panel upgrades, but this is difficult to confirm without detailed reviews. Expect similar viewing experiences for everyday use.
Camera Comparison
Camera specs are likely similar, with both phones featuring a primary 13MP camera and a depth sensor. Image quality will depend heavily on software processing. The A57 4G might have slightly improved image processing due to newer software or hardware.
Performance
The Dimensity 700 in the A55s boasts a more modern 7nm process and Cortex-A76 cores, which are generally faster than the Cortex-A53 cores in the Helio G35. However, the G35's efficiency and the A57 4G's software optimization often result in a smoother, more responsive user experience in real-world usage. Gaming performance will be noticeably better on the A57 4G.
Battery Life
The A57 4G's 33W fast charging is a game-changer compared to the A55s's 10W charging. While battery capacity might be similar (likely around 5000mAh), the A57 4G will charge significantly faster, reducing downtime.
Buying Guide
The Oppo A55s is a decent option for users prioritizing a slightly more powerful CPU for basic tasks and who aren't concerned about fast charging. The Oppo A57 4G is ideal for those seeking a smoother experience, faster charging, and better overall value in a budget-friendly package.
Frequently Asked Questions
❓ Which phone is better for gaming?
The Oppo A57 4G is significantly better for gaming due to its more efficient chipset and generally smoother performance.
❓ Is the Oppo A55s worth buying if I only need a phone for basic tasks?
It's a viable option, but the Oppo A57 4G offers a better overall experience, especially considering its faster charging.