| Hardware and OS | Realme 6 | |
| Operating system | Android 10.0, Realme UI | |
| Processor | Octa-core (2x2.05 GHz Cortex-A76, 6x2.0 GHz Cortex-A55) | |
| GPU | Mali-G76 MC4 | |
| RAM | 4 GB, 6 GB, 8 GB | |
| Internal Storage | 64 GB, 128 GB | |
| Memory Card Slot | microSDXC (dedicated slot) | |
| User Interface | Yes | |
| Display | Realme 6 | other phones |
| Type | IPS LCD | |
| Size | 6.5 inches | |
| Resolution | 1080 x 2400 pixels | |
| Colors | 16M | |
| Pixel Density | ~405 ppi density | |
| Touchscreen | Capacitive touchscreen | |
| Protection | Corning Gorilla Glass 3 | |
| Features | 480 nits typ. brightness, 90Hz, 120Hz touch-sensing | |
| Connectivity | Realme 6 | other phones |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) | |
| 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, BDS | |
| NFC | No | |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | |
| Speed | HSPA 42.2/11.5 Mbps, LTE-A (2CA) Cat6 300/75 Mbps | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | Realme 6 | other phones |
| Main camera | 64 MP (wide), 8 MP (ultrawide), 2 MP (macro), 2 MP B/W (depth) | |
| Features | LED flash, HDR, panorama | |
| Image | 1080p | |
| Video | 1080p@30/60/120fps, gyro-EIS | |
| Selfie camera | 16 MP (wide) | |
| Multimedia | Realme 6 | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Realme 6 | other phones |
| Dimensions | 162.1 x 74.8 x 8.9 mm | |
| Waterproof | No | |
| Weight | 191 Grams | |
| Battery | Realme 6 | other phones |
| Capacity | Li-Po 4300 mAh battery | |
| Placement | Non-Removable | |
| Other | Realme 6 | other phones |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, | |
