| Samsung Galaxy J2 Prime |
Oppo A3s |
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| Hardware and OS | Samsung Galaxy J2 Prime | Oppo A3s |
| Operating system | Android 6.0 (Marshmallow) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Quad-core 1.4 GHz Cortex-A53 | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Mediatek MT6737T (28 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Mali-T720MP2 | Adreno 506 |
| Internal memory | 8 GB, 1.5 GB RAM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy J2 Prime | Oppo A3s |
| Type | PLS TFT | IPS LCD |
| Size | 5" inc | 6.2" inc |
| Resolution | 540 x 960 px | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 66.0% | 81.2% |
| Display area | 68.9 cm2 | 95.9 cm2 |
| Display aspect ratio | 16:9 (height:width) | 19:9 (height:width) |
| Pixel Density | 220 PPI | 271 PPI |
| Colors | 16M | 16M |
| Connectivity | Samsung Galaxy J2 Prime | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - G532F, G532G | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G532F | LTE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Single SIM (Micro-SIM)Hybrid Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | Samsung Galaxy J2 Prime | Oppo A3s |
| Main camera | 8 MP, Single | 13 MP, Dual |
| Specs | 8 MP, AF, f/2.2 | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
| Features | LED flash | LED flash, HDR, panorama |
| Video | 720p@30fps | 1080p@30fps |
| Selfie camera | 5 MP, Single | 8 MP, Single |
| Multimedia | Samsung Galaxy J2 Prime | Oppo A3s |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio, RDS, recording | FM radio |
| Design | Samsung Galaxy J2 Prime | Oppo A3s |
| Colors | Black, Gold, Silver, Pink | Red, Dark Purple |
| Dimensions | 144.8 x 72.1 x 8.9 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 160 g | 168 g |
| Body build | Plastic body | |
| Battery | Samsung Galaxy J2 Prime | Oppo A3s |
| Battery capacity | 2600 mAh, Removable Li-Ion | 4230 mAh, Non-removable Li-Ion |
| Battery life | Talking time- Up to 12 h (3G) Music play - Up to 59 h | |
| Other | Samsung Galaxy J2 Prime | Oppo A3s |
| Release date | 2016, November | 2018, July |
| Sensors | Accelerometer, proximity | Accelerometer, proximity, compass |
| SAR | SAR - 0.45 W/kg (head), 0.99 W/kg (body), SAR EU - 0.53 W/kg (head), 1.27 W/kg (body) |
