| Hardware and OS | Oppo A33 (2020) | |
| Operating system | Android 10.0, ColorOS 7.2 | |
| Processor | Octa-core (4x1.8 GHz Kryo 240, 4x1.6 GHz Kryo 240) | |
| GPU | Adreno 610 | |
| RAM | 3 GB, 4 GB | |
| Internal Storage | 32 GB | |
| Memory Card Slot | microSDXC (dedicated slot) | |
| User Interface | Yes | |
| Display | Oppo A33 (2020) | other phones |
| Type | IPS LCD | |
| Size | 6.5 inches | |
| Resolution | 720 x 1520 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 259 PPI | |
| Touchscreen | Capacitive touchscreen | |
| Protection | Corning Gorilla Glass 3 | |
| Features | 90Hz refresh rate, | |
| Connectivity | Oppo A33 (2020) | other phones |
| 4G Network | LTE | |
| 5G Network | No | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | No | |
| USB | USB Type-C 2.0, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | Oppo A33 (2020) | other phones |
| Main camera | 13 MP (wide), 2 MP (macro), 2 MP (depth) | |
| Features | LED flash, HDR, panorama | |
| Image | 1080p | |
| Selfie camera | 8 MP (wide) | |
| Multimedia | Oppo A33 (2020) | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | No | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | Yes | |
| Design | Oppo A33 (2020) | other phones |
| Waterproof | No | |
| Battery | Oppo A33 (2020) | other phones |
| Capacity | Li-Po 5000 mAh battery, Fast charging 18W | |
| Placement | Non-Removable | |
| Other | Oppo A33 (2020) | other phones |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass, | |
