| ratings | | | | |
| Overall NDTV Rating | Read Review | Read Review | Read Review | - |
| Design Rating | | | | - |
| Display Rating | | | | - |
| Software Rating | | | | - |
| Performance Rating | | | | - |
| Battery Life Rating | | | | - |
| Camera Rating | | | | - |
| Value for Money Rating | | | | - |
| key specs | | | | |
| Display | 6.30-inch | 6.20-inch | 5.84-inch | - |
| Processor | 2.1GHz octa-core | 1.8GHz octa-core | 2GHz octa-core | - |
| Front Camera | 25-megapixel | 8-megapixel | 5-megapixel | - |
| Resolution | 1080x2340 pixels | 720x1520 pixels | 1080x2280 pixels | - |
| RAM | 4GB | 3GB | 4GB | - |
| OS | Android 8.1 Oreo | Android 8.1 | Android 8.1 Oreo | - |
| Storage | 64GB | 32GB | 64GB | - |
| Rear Camera | 13-megapixel + 2-megapixel | 13-megapixel + 2-megapixel | 12-megapixel + 5-megapixel | - |
| Battery Capacity | 3500mAh | 4230mAh | 4000mAh | - |
| general | | | | |
| Release date | November 2018 | August 2018 | September 2018 | - |
| Launched in India | Yes | Yes | Yes | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen | - |
| Dimensions (mm) | 157.00 x 74.00 x 8.00 | 156.20 x 75.60 x 8.20 | 149.33 x 71.68 x 8.75 | - |
| Weight (g) | 168.00 | 168.00 | 178.00 | - |
| Battery capacity (mAh) | 3500 | 4230 | 4000 | - |
| Removable battery | No | - | No | - |
| Wireless charging | No | - | No | - |
| Colours | Ambitious Black, Brave Blue, and Fiery Gold | Diamond Black, Diamond Blue, Diamond Red | Gold, Blue, Black, Red | - |
| SAR value | 1.31 | - | 0.96 | - |
| Body type | - | - | Metal | - |
| display | | | | |
| Screen size (inches) | 6.30 | 6.20 | 5.84 | - |
| Touchscreen | Yes | Yes | Yes | - |
| Resolution | 1080x2340 pixels | 720x1520 pixels | 1080x2280 pixels | - |
| Protection type | Gorilla Glass | Gorilla Glass | - | - |
| Aspect ratio | 19.5:9 | 19:9 | 19:9 | - |
| Pixels per inch (PPI) | 409 | 271 | 432 | - |
| hardware | | | | |
| Processor | 2.1GHz octa-core | 1.8GHz octa-core | 2GHz octa-core (8x2GHz) | - |
| Processor make | MediaTek Helio P70 | Qualcomm Snapdragon 450 | Qualcomm Snapdragon 625 | - |
| RAM | 4GB | 3GB | 4GB | - |
| Internal storage | 64GB | 32GB | 64GB | - |
| Expandable storage | Yes | Yes | Yes | - |
| Expandable storage type | microSD | microSD | microSD | - |
| Expandable storage up to (GB) | 256 | 256 | 256 | - |
| Dedicated microSD slot | Yes | - | Yes | - |
| camera | | | | |
| Rear camera | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) | 13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron) | 12-megapixel (f/2.2, 1.25-micron) + 5-megapixel | - |
| Rear flash | LED | Yes | LED | - |
| Front camera | 25-megapixel (f/2.0) | 8-megapixel (f/2.2, 1.12-micron) | 5-megapixel | - |
| Rear autofocus | - | - | Phase detection autofocus | - |
| Front flash | - | - | No | - |
| software | | | | |
| Operating system | Android 8.1 Oreo | Android 8.1 | Android 8.1 Oreo | - |
| Skin | ColorOS 5.2 | ColorOS 5.1 | MIUI 9.6 | - |
| connectivity | | | | |
| Wi-Fi | Yes | Yes | Yes | - |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | - | 802.11 a/b/g/n | - |
| GPS | Yes | Yes | Yes | - |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.20 | - |
| USB OTG | Yes | - | Yes | - |
| Micro-USB | Yes | Yes | Yes | - |
| Headphones | 3.5mm | 3.5mm | 3.5mm | - |
| FM | Yes | - | Yes | - |
| Number of SIMs | 2 | 2 | 2 | - |
| Active 4G on both SIM cards | Yes | - | No | - |
| NFC | - | - | No | - |
| Infrared | - | - | Yes | - |
| USB Type-C | - | - | No | - |
| sim 1 | | | | |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | - |
| GSM/CDMA | GSM | GSM | GSM | - |
| 3G | Yes | Yes | Yes | - |
| 4G/ LTE | Yes | Yes | Yes | - |
| sim 2 | | | | |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | - |
| GSM/CDMA | GSM | GSM | GSM | - |
| 3G | Yes | Yes | Yes | - |
| 4G/ LTE | Yes | Yes | Yes | - |
| sensors | | | | |
| Face unlock | Yes | Yes | Yes | - |
| Fingerprint sensor | Yes | Yes | Yes | - |
| Compass/ Magnetometer | Yes | Yes | Yes | - |
| Proximity sensor | Yes | Yes | Yes | - |
| Accelerometer | Yes | Yes | Yes | - |
| Ambient light sensor | Yes | Yes | Yes | - |
| Gyroscope | Yes | - | Yes | - |
| 3D face recognition | - | - | No | - |
Amazon Fab Phones Fest Sale Today: iPhone X, Samsung Galaxy S9, OnePlus 6T, Realme U1 Discounts and Other Offers Revealed
Realme U1 3GB RAM, 64GB Storage Variant to Go on Sale for First Time Today via Amazon: Check Price, Offers
Realme Yo Days Sale: Realme 3 On Offer, Realme 2 Pro and Realme U1 Get Price Cuts
Realme U1 64GB Storage, 3GB RAM Variant Launched at Rs. 10,999; First Sale on April 10
Realme Phones Android Pie-Based ColorOS 6.0 Update Delayed Till June
Realme U-Series Launch Teased, May Be New Realme U1 Storage Option or Realme U2
Realme U1 Price in India Cut Once Again, Now Starts at Rs. 9,999
Amazon Fab Phones Fest Sale Last Day: Offers on Vivo Nex, Realme U1, Huawei Y9 (2019), Vivo Y83 Pro, Honor Play and More
Realme U1 Update Brings March Security Patch, Nightscape Mode Coming With Android Pie Update
Realme U1, Realme 2 Pro to Receive Discounts During Realme 'Holi Days' Sale from Today