| Hardware and OS | Samsung Galaxy S Duos 3 | |
| Operating system | Android 4.4.2 (KitKat) | |
| Processor | Dual-core 1.2 GHz Cortex-A7 | |
| Internal memory | 4GB 512MB RAM | |
| External memory | microSDHC (dedicated slot) | |
| Display | Samsung Galaxy S Duos 3 | other phones |
| Size | 4.0 inches, 45.5 cm2 | |
| Resolution | 480 x 800 pixels, 5:3 ratio | |
| Type | TFT capacitive touchscreen, 16M colors | |
| Main Camera | Samsung Galaxy S Duos 3 | other phones |
| Camera | 5 MP, AF | |
| Features | LED flash | |
| Video | 720p@30fps | |
| Selfie camera | Samsung Galaxy S Duos 3 | other phones |
| Camera | VGA | |
| Connectivity | Samsung Galaxy S Duos 3 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 900 / 2100 | |
| Bluetooth | 4.0, A2DP | |
| GPS | Yes, with A-GPS, GLONASS | |
| Speed | HSPA 21.1/5.76 Mbps | |
| Technology | GSM / HSPA | |
| USB | microUSB 2.0 | |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Multimedia | Samsung Galaxy S Duos 3 | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | FM radio | |
| Battery | Samsung Galaxy S Duos 3 | other phones |
| Capacity | Removable Li-Ion 1500 mAh battery | |
| Design | Samsung Galaxy S Duos 3 | other phones |
| Colors | Black, Gray | |
| Dimensions | 121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in) | |
| Weight | 124 g (4.37 oz) | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Features | Samsung Galaxy S Duos 3 | other phones |
| Sensors | Accelerometer | |
