| Hardware and OS | Realme C30s | |
| Operating system | Android 12, Realme UI Go | |
| Processor | Octa-core 1.6 GHz Cortex-A55 | |
| GPU | IMG8322 | |
| Internal memory | 32GB 2GB RAM, 32GB 3GB RAM, 64GB 4GB RAM | |
| External memory | microSDXC (dedicated slot) | |
| Display | Realme C30s | other phones |
| Type | IPS LCD | |
| Size | 6.5 inches, 102.0 cm2(~82.1% screen-to-body ratio) | |
| Resolution | 720 x 1600 pixels, 20:9 ratio | |
| Connectivity | Realme C30s | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| 4G Network | 1, 3, 5, 8, 38, 40, 41 | |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | |
| Bluetooth | 4.2, A2DP | |
| GPS | Yes, with A-GPS, GLONASS | |
| NFC | No | |
| USB | microUSB 2.0, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE | |
| Technology | GSM / HSPA / LTE | |
| Main Camera | Realme C30s | other phones |
| Camera | 8 MP, (wide), 1/4.0", 1.12µm
| |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | Realme C30s | other phones |
| Camera | 5 MP, (wide), 1/5.0", 1.12µm | |
| Features | HDR | |
| Video | 720p@30fps | |
| Multimedia | Realme C30s | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Battery | Realme C30s | other phones |
| Type | Li-Po 5000 mAh, non-removable | |
| Design | Realme C30s | other phones |
| Body build | Glass front, plastic frame, plastic back | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Weight | 186 g (6.56 oz) | |
| Dimensions | 164.2 x 75.7 x 8.5 mm (6.46 x 2.98 x 0.33 in) | |
| Colors | Stripe Blue, Stripe Black | |
| Features | Realme C30s | other phones |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity | |
