 
   
 The phone features a 6.3-inch notch Full HD+display with a screen Resolution of 2340 x 1080 pixels and an aspect ratio of 19.5:9. The Realme U1 is powered by aMediaTek Helio P70 with ARM G72 GPU Processor coupled with 3GB/4GB of RAM and 32GB/64GB of internal storage.
| Type | Full HD+ | 
| Resolution | 2340 x 1080 pixels, 90.8 percent screen-to-body ratio | 
| Pixel Density | 409 ppi | 
| Screen Size | 6.3 inches, 19:9 aspect ratio | 
| Processor | Octa Core 2.1 GHz, MediaTek Helio P70 with ARM G72 GPU | 
| Operating System | Android 9.0, Pie, ColorOS 6.0 | 
| RAM | 3 GB | 
| Internal Memory | 64 GB | 
| Expandable | 256 GB | 
| Rear Camera | 13MP + 2MP, Camera Aperture?f/2.2 + f/2.4 | 
| Front Camera | 25 MP, Sensor: SONY IMX576, Camera Aperture: f/2.0 | 
| Image Stablizer | No | 
| Flash | Yes, LED flash | 
| Video Recording | Yes, 1080p@30fps | 
| Design | Bar | 
| Size | 155 x 74 x 8 mm | 
| Weight | 168 grams | 
| Capacity | 3500 mAh | 
| Type | Non Removable | 
| Radio | Yes | 
| Media Player | Yes, MP3/AAC/APE/AMR/WAV/MID/OGG/FLAC/WMA | 
| Video Player | Yes, AVI/3GP/MP4/WMV/MKV/MOV/ASF/FLV | 
| Network | 2G, GSM: 850/900/1800/1900MHz, WCDMA: 850/900/2100MHz, FDD-LTE: Bands 1/3/5/8, TD-LTE: Bands 38/40/41 (2535-2655MHz) | 
| GSM/CDMA | GSM | 
| Bluetooth | 4.2, A2DP, LE | 
| WiFi | Yes, Wi-Fi 802.11 a/b/g/n, WiFi Direct, hotspot | 
| Internet | EDGE | 
| GPS | Yes | 
| USB | Micro | 
| HDMI | No | 
| Headphone Connector | 3.5 mm | 
| SIM | Dual, Dedicated Slot | 
| NFC | No | 
| DLNA | No | 
| Sensors | |
| Built in Applications | Yes | 
| Warrenty | 1 Year | 
| Dustproof | No | 
| Shockproof | No | 
| Water Resistant | No | 
| Keypad | Touchscreen, Capacitive with multitouch | 
| Water Proof | No |