Oppo Reno 3A features a 6.44-inch AMOLED Display with a full-HD+ resolution and dewdrop-notch design. The display comes with 1080 x 2400 pixels resolution, 89.9 percent screen-to-body ratio and 20:9 aspect ratio. Under the hood, the smartphone is powered by Qualcomm Snapdragon 665 processor coupled with 6GB of RAM and 128GB storage onboard which is further expandable via a microSD card.
Oppo Reno 3A run ColorOS 7.1 based on Android 10 OS. It packs a 4,025mAh battery with Fast charging support. For security, there is a in display fingerprint sensor along with face unlock feature.
For the imaging purpose, Oppo Reno 3A features a rectangular quad-camera setup with a combination of a 48-megapixel main camera with an f/1.7 aperture, 8-megapixel ultra-wide lens with an f/2.25 aperture, 2 megapixels depth sensor, as well as a 2 megapixels macro camera. The phone will include a 16-megapixel camera on the front panel.
| Type | Full HD+, 20:9 aspect ratio AMOLED display, 89.9 percent screen-to-body ratio |
| Resolution | 2400 x 1080 pixels |
| Screen Size | 6.44 inches |
| Processor | Octa Core 2.4 GHz, Snapdragon 665 processor with the Adreno 610 GPU |
| Operating System | Android 10, ColorOS 7.1 |
| RAM | 6 GB |
| Internal Memory | 128 GB |
| Rear Camera | 48 MP + 8 MP + 2 MP + 2 MP, Quad camera: 48-megapixel main camera with an f/1.7 aperture, 8-megapixel ultra-wide lens with an f/2.25 aperture, 2 megapixels depth sensor, as well as a 2 megapixels macro camera |
| Front Camera | 16 MP |
| Image Stablizer | Yes |
| Flash | Yes |
| Video Recording | Yes |
| Design | Bar |
| Size | 161 x 74 x 8.2mm |
| Weight | 175 grams |
| Capacity | 4025 mAh |
| Type | Non Removable |
| Radio | No |
| Media Player | Yes |
| Video Player | Yes |
| Network | 2G |
| Bluetooth | 5.0 |
| WiFi | Yes |
| Internet | LTE |
| GPS | With A-GPS |
| USB | Type-C |
| HDMI | No |
| Headphone Connector | No |
| SIM | Dual |
| NFC | Yes |
| DLNA | No |
| Sensors | |
| Built in Applications | Yes |
| Warrenty | 1 Year |
| Dustproof | No |
| Shockproof | No |
| Water Resistant | No |
| Keypad | Touchscreen |
| Water Proof | No |