Oppo A31 vs Oppo A55s
Side-by-side specs and price comparison for buyers in Algeria.
Oppo A31
Price coming soon
Oppo A55s
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
Oppo A55s
Faster charging
Even
Higher-resolution camera
Oppo A55s
Better display
Even
Lighter body
Oppo A31
Best value for money
Even
Full specs comparison
Display
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Size (inches) | 6.5 | 6.5 |
| Panel Type | IPS LCD | IPS LCD |
| Resolution Height | 1600 | 1600 |
| Resolution Width | 720 | 720 |
| Peak Brightness | 480 | 480 |
| PPI | 270 | 270 |
| Glass Type | Corning Gorilla Glass 3 | — |
| Screen-to-body | 82.4 | 82.2 |
Platform
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| GPU | PowerVR GE8320 | Mali-G57 MC2 |
| Chipset Name | Helio P35 | Mediatek Dimensity 700 |
| Process (nm) | 12 | 7 |
| OS Name | Android | Android |
| UI Skin | ColorOS 6.1 | ColorOS 11.1 |
| OS Version | 9.0 | 11 |
Memory
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Card Slot | microSDXC (dedicated slot) | microSDXC |
| Variants | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 128GB 6GB RAM, 128GB 8GB RAM |
Main Camera
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Count | 3 | 3 |
| Depth | 2 MP, f/2.4, (depth) | 2 MP, f/2.4, (depth) |
| Macro | 2 MP, f/2.4, (macro) | 2 MP, f/2.4, (macro) |
| Wide | 12 MP, f/1.8, (wide) | 13 MP, f/2.2, 25mm, (wide) |
Selfie Camera
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
| Count | 1 | 1 |
| Lens | 8 MP, f/2, (wide) | 8 MP, f/2, (wide) |
Battery
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Capacity (mAh) | 4230 | 5000 |
| Chemistry | Li-Po | Li-Po |
| Wired Charging (W) | — | 10 |
Body
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | — |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 163.9 | 163.9 |
| Thickness (mm) | 8.3 | 8.4 |
| Weight (g) | 180 | 186 |
| Width (mm) | 75.5 | 75.7 |
Launch
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Announced | 2020, February 13 | 2022, April 18 |
| Status | Available. Released 2020, February 14 | Available. Released 2022, April 18 |
Network
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 2100 - International | HSDPA 800, 850, 900, 1700(AWS), 1900, 2100 |
| 4G Bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| 5G Bands | — | 1, 28, 41, 77, 78 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM, HSPA, LTE | GSM, CDMA, HSPA, LTE, 5G |
Connectivity
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Bluetooth | 5 | 5.1 |
| NFC | No | No |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | FM radio | No |
| USB Type | — | Type-C |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
Sound
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | Oppo A31 | Oppo A55s |
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
Buying advice for Algeria
Both Oppo A31 and Oppo A55s are sold in Algeria, but they fit different priorities.
Oppo A55s packs a 5000 mAh battery, which translates to longer screen-on time when you are away from a charger.
Oppo A55s reaches a higher main-sensor resolution at 13 MP, which helps with crops and lower-light photos.
Other popular comparisons
Samsung Galaxy S26 Ultra vs Apple iPhone 17 Pro Max
Samsung compared to Apple
Samsung Galaxy S26 Ultra vs Google Pixel 10 Pro XL
Samsung compared to Google
Samsung Galaxy S26 Ultra vs Xiaomi 15 Ultra
Samsung compared to Xiaomi
Apple iPhone 17 Pro Max vs Xiaomi 15 Ultra
Apple compared to Xiaomi
Apple iPhone 17 Pro Max vs Google Pixel 10 Pro XL
Apple compared to Google
Samsung Galaxy S26+ vs Apple iPhone 17
Samsung compared to Apple