| Model | Realme C20 | 
| Release Date | January 22, 2021 | 
| Color Options | Cool Blue, Cool Grey | 
| Display | 6.5-inch HD+ (1600 × 720) IPS LCD, 89.5% screen-to-body ratio, 400 nits brightness (typical), 60Hz refresh rate | 
| Processor | MediaTek Helio G35 (Octa-core up to 2.3GHz), PowerVR GE8320 GPU | 
| RAM | 2GB LPDDR4X | 
| Storage | 32GB eMMC 5.1, expandable up to 256GB via microSD (dedicated slot) | 
| Rear Camera | 8MP (f/2.0); Features: LED flash, HDR, Panorama; Video: 1080p@30fps | 
| Front Camera | 5MP (f/2.2); Features: HDR, Face Unlock; Video: 1080p@30fps | 
| Battery | 5000mAh, Supports reverse charging | 
| Operating System | realme UI based on Android 10 | 
| SIM | Dual Nano-SIM + microSD (3 slots) | 
| Connectivity | 4G LTE, Wi-Fi 802.11 b/g/n, Bluetooth 5.0, GPS, micro-USB 2.0, 3.5mm audio jack | 
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, Compass | 
| Dimensions | 165.2 × 76.4 × 8.9 mm | 
| Weight | 190g | 
| Build Material | Plastic back and frame | 
| Warranty | ✅ 6 Months Seller Warranty | 
| In the Box | Handset, 10W Charger, USB Type-C Cable, SIM Ejector Tool |