Display: 6.67-inch HD+ 120Hz IPS display
Camera: 50MP Rear, 5MP Selfie
Battery: Massive 5600mAh all-day battery
Charging: 45W fast charging support
Storage: 128GB 6GB RAM, 128GB 8GB RAM
Design & Build: IP69 rugged premium design
Connectivity: Dual SIM 4G, Wi-Fi 5
Software Experience: Android 15 with Realme UI 6.0
| Brand | Realme |
| Model | Realme C75x |
| OS Version | Android 15, Realme UI 6.0 |
| Chipset / SoC | Mediatek Helio G81 Ultra (12 nm) |
| CPU Cores | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Display Size | 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio) |
| Display Resolution | 720 x 1604 pixels, 20:9 ratio (~264 ppi density) |
| Display Type | IPS LCD, 120Hz, 500 nits (typ), 625 nits (HBM) |
| Battery Capacity | 5600 mAh |
| Rear Camera | 50 MP, f/1.8, (wide), 1/2.88", PDAF |
| Front Camera | 5 MP, f/2.2, (wide), 1/5" |
| SIM Slots | Dual SIM, GSM+GSM |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Dimensions | 165.7 x 76.2 x 8 mm (6.52 x 3.00 x 0.31 in) |
| Sound | Bluetooth 5.0, A2DP, LE |
