On this page we compare specs BLU J4 Quad-core 1.3 GHz Cortex-A7 with other phones , we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | BLU J4 | |
|---|
| Operating system | Android 8.1 Oreo (Go edition) | |
| Processor | Quad-core 1.3 GHz Cortex-A7 | |
| GPU | Mali-400 | |
| Internal memory | 32GB 1GB RAM | |
| External memory | microSDXC | |
| Display | BLU J4 | other phones |
|---|
| Type | IPS LCD | |
| Size | 5.5" inc | |
| Resolution | 720 x 1440 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 71.5% | |
| Display area | 78.1 cm2 | |
| Display aspect ratio | 18:9 (height:width) | |
| Pixel Density | 293 PPI | |
| Colors | 16M | |
| Connectivity | BLU J4 | other phones |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Network | GSM / HSPA | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.1, A2DP, LE | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 21.1/5.76 Mbps | |
| USB | microUSB 2.0 | |
| Camera | BLU J4 | other phones |
|---|
| Main camera | 8 MP, Single | |
| Specs | 8 MP, AF | |
| Features | LED flash | |
| Video | 720p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | BLU J4 | other phones |
|---|
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | BLU J4 | other phones |
|---|
| Colors | Blue, Black, Brown | |
| Dimensions | 151 x 72.3 x 10 mm | |
| Weight | 158 g | |
| Battery | BLU J4 | other phones |
|---|
| Battery capacity | 2200 mAh, Removable Li-Po | |
| Other | BLU J4 | other phones |
|---|
| Release date | 2019, October | |
| Sensors | Accelerometer | |
