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General
| Name | Oppo A31 | Realme C20 |
|---|---|---|
| Launch Date | 13 Feb 2020 | 19 Jan 2021 |
| Brand | Oppo | Realme |
| Colors | Fantasy White, Mystery Black, Lake Green | Cool Gray, Cool Blue |
| Models | CPH2015, CPH2073, CPH2081, CPH2029, CPH2031 | RMX3063, RMX3061 |
Display
| Display Size | 6.5 Inches | 6.5 Inches |
|---|---|---|
| Display Type | IPS LCD, 480 nits (typ) | IPS LCD, 400 nits (typ) |
| Resolution | 720 x 1600 pixels | 720 x 1600 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | Gorilla Glass 3 | Gorilla Glass 3 |
| Aspect Ratio | 20:9 | 20:9 |
| Features | 82.4% (screen to body ratio), 270 ppi | 80.8% (screen to body ratio), 270 ppi |
Platform
| Operating System | Android 9.0 (Pie), ColorOS 6.1 | Android 10, Realme UI |
|---|---|---|
| Processor | MediaTek Helio P35 (12nm) | MediaTek Helio G35 (12 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| GPU | PowerVR GE8320 | PowerVR GE8320 |
Memory
| Ram | 4GB, 6GB | 2GB |
|---|---|---|
| Storage | 64GB, 128GB | 32GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Triple Camera | Single Camera |
|---|---|---|
| Main | 12 MP, f/1.8, 1/2.86", 1.25µm | 8 MP, f/2.0, 1/4.0", 1.12µm, AF |
| Macro | 2 MP, f/2.4 | - |
| Depth | 2 MP, f/2.4 | - |
| Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 8 MP, f/2.0, 1/4.0", 1.12µm | 5 MP, f/2.2, 1/5.0", 1.12µm |
| Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
Battery
| Capacity | 4230 mAh | 5000 mAh |
|---|---|---|
| Battery Technology | Li-Po, non-removable | non-removable |
| Charging Speed | - | 10W, Reverse wired |
| USB Type | Micro USB, USB 2.0, OTG | Micro USB, USB 2.0, OTG |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 5 | WiFi 5 |
|---|---|---|
| Bluetooth | V5.0 | V5.1 |
| NFC | No | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | Yes | No |
|---|---|---|
| Fingerprint Type | Capacitive Fingerprint Scanner | - |
| Fingerprint Position | Rear-Mounted | - |
| Face Unlock | 2D Face Unlock | 2D Face Unlock |
Body
| Dimensions | 163.9 x 75.5 x 8.3 mm | 165.2 x 76.4 x 8.9 mm |
|---|---|---|
| Weight | 180 g | 190 g |
| Frame | Plastic Frame | Plastic Frame |
| Back | Plastic Back | Plastic Back |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, gyro, proximity, compass | Accelerometer, proximity, compass |
|---|---|---|
| SAR | - | 0.98 W/kg (head), 0.50 W/kg (body) |
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