| Hardware and OS Samsung Galaxy J7 Duo |
| Operating system: | Android 8.0 (Oreo) |
| Processor: | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) |
| Chipset: | Exynos 7885 Octa (14 nm) |
| GPU: | Mali-G71 |
| Internal memory: | 32 GB, 4 GB RAM |
| External memory: | microSD, up to 256 GB (dedicated slot) |
| Display Samsung Galaxy J7 Duo |
| Type: | Super AMOLED |
| Size: | 5.5" inc |
| Resolution: | 720 x 1280 px |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 70.4% |
| Display area: | 83.4 cm2 |
| Display aspect ratio: | 16:9 (height:width) |
| Pixel Density: | 267 PPI |
| Colors: | 16M |
| Connectivity Samsung Galaxy J7 Duo |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network: | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network: | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Network: | GSM / HSPA / LTE |
| SIM card: | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth: | 4.2, A2DP, LE |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | Yes, with A-GPS, GLONASS, BDS |
| Speed: | HSPA, LTE Cat4 150/50 Mbps |
| USB: | Yes |
| Camera Samsung Galaxy J7 Duo |
| Main camera: | 13 MP,
Dual |
| Specs: | 13 MP, f/1.9, AF
-5 MP, f/1.9, depth sensor |
| Features: | LED flash, panorama, HDR |
| Features: | LED flash |
| Video: | 1080p@30fps |
| Selfie camera: | 8 MP,
Single |
| Specs: | 8 MP, f/1.9 |
| Multimedia Samsung Galaxy J7 Duo |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio |
| Design Samsung Galaxy J7 Duo |
| Colors: | Black, Gold, Rose Gold, White |
| Dimensions: | 153.5 x 77.2 x 8.2 mm |
| Weight: | 174 g |
| Battery Samsung Galaxy J7 Duo |
| Battery capacity: | 3000 mAh, Removable Li-Ion |
| Other Samsung Galaxy J7 Duo |
| Release date: | 2018, April |
| Sensors: | Fingerprint (front-mounted), accelerometer, proximity |
