| Hardware and OS | Samsung Galaxy A3 (2017) | |
| Operating system | Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo) | |
| Processor | Octa-core 1.6 GHz Cortex-A53 | |
| Chipset | Exynos 7870 Octa (14 nm) | |
| GPU | Mali-T830 MP1 | |
| Internal memory | 16 GB, 2 GB RAM | |
| External memory | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | |
| Display | Samsung Galaxy A3 (2017) | other phones |
| Type | Super AMOLED | |
| Size | 4.7" inc | |
| Resolution | 720 x 1280 px | |
| Protection | Corning Gorilla Glass 4 | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 67.9% | |
| Display area | 60.9 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 312 PPI | |
| Colors | 16M | |
| Other | Always-on display | |
| Connectivity | Samsung Galaxy A3 (2017) | other phones |
| 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), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.2, A2DP, LE | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS | |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |
| USB | 2.0, Type-C 1.0 reversible connector | |
| Camera | Samsung Galaxy A3 (2017) | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP, 27mm (wide), AF, f/1.9 | |
| Features | LED flash, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | Samsung Galaxy A3 (2017) | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Samsung Galaxy A3 (2017) | other phones |
| Colors | Black Sky, Gold Sand, Blue Mist, Peach Cloud | |
| Body build | Front/back glass (Gorilla Glass 4), aluminum frame | |
| Dimensions | 135.4 x 66.2 x 7.9 mm | |
| Weight | 138 g | |
| Battery | Samsung Galaxy A3 (2017) | other phones |
| Battery capacity | 2350 mAh, Non-removable Li-Ion | |
| Battery life | Talking time- Up to 17 h (3G)
Music play - Up to 55 h | |
| Other | Samsung Galaxy A3 (2017) | other phones |
| SAR | SAR EU - 0.35 W/kg (head), 1.38 W/kg (body) | |
| Release date | 2017, January | |
