The verdict
Your pick: Oppo A57s, ahead on Connectivity and Battery & charging.
| Category | A57s | A55 |
|---|---|---|
| Design & display | 5.6 | 5.5 |
| Performance & hardware | 2.9 | 3.1 |
| Camera | 3.8 | 3.8 |
| Connectivity | 6.1 | 5.6 |
| Battery & charging | 5.7 | 5.4 |
Which one is for you?
Oppo A57s, if you care about…
- Bluetooth Version
- Bluetooth 5.3
- against Bluetooth 5.0
- Peak Display Brightness
- 600 nits
- against 550 nits
- Weight
- 187 g
- against 193 g
- Fast Charge Power
- 33 W
- against 18 W
Oppo A55, if you care about…
- RAM Capacity
- 6 GB
- against 4 GB
Specification comparison
Performance
| Specification | A57s | A55 |
|---|---|---|
| Processor Model | MediaTek Helio G35 | MediaTek Helio G35 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR GE8320 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.3 GHz | 2.3 GHz |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 110,000 | 110,000 |
| Geekbench 6 Single-Core | 189 | 189 |
| Geekbench 6 Multi-Core | 810 | 810 |
| CPU Description | Octa-core CPU with four Cortex-A53 cores at 2.3 GHz and four Cortex-A53 cores at 1.8 GHz. | Octa-core CPU with four Cortex-A53 cores at 2.3 GHz and four Cortex-A53 cores at 1.8 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 6 GB Best value |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | v8 |
Design
| Specification | A57s | A55 |
|---|---|---|
| Body Colors | Black, Blue | Blue, Black, Green |
| Body Thickness | 8 mm Best value | 8.4 mm |
| Body Width | 75 mm | 75.7 mm |
| Body Height | 163.8 mm | 163.6 mm |
| Weight | 187 g Best value | 193 g |
| Usable Surface | 84.2 % Best value | 82.6 % |
| Body Materials | Glass, Plastic | Plastic |
| Resistance Features | IP54 | Splash Resistant, Water Resistant |
Battery
| Specification | A57s | A55 |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 33 W Best value | 18 W |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable |
Display
| Specification | A57s | A55 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 600 nits Best value | 550 nits |
| Display Diagonal | 6.56″ Best value | 6.51″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,612 px Best value | 1,600 px |
| Display Pixel Density | 269 ppi | 270 ppi Best value |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | — | 120 Hz |
| Display Contrast Ratio | 1,500 :1 | 1,500 :1 |
| Display Features | Panda Glass, Water Drop Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, DCI-P3, Frameless | NEG T2X-1, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, Touchscreen |
Sensors
| Specification | A57s | A55 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | A57s | A55 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gravity Sensor, Gyroscope, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gravity Sensor, Gyroscope, Light Sensor |
Software
| Specification | A57s | A55 |
|---|---|---|
| Operating System | Android 12 | Android 11 |
| OS Family | Android | Android |
| OS Version | 12 Best value | 11 |
| Google Services | Yes | Yes |
Connectivity
| Specification | A57s | A55 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 5 (802.11ac) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.3 Best value | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX HD Best value | A2DP, LE, aptX |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, Galileo, BeiDou, QZSS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, NFC, USB Type-C, USB Charging, USB Mass Storage, USB OTG, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | A57s | A55 |
|---|---|---|
| Audio Features | Stereo Speakers Best value | A2DP, LE, aptX, Loudspeaker |
Technical
| Specification | A57s | A55 |
|---|---|---|
| Model numbers | CPH2385 | CPH2325 |
