| Samsung Galaxy S7 mini |
Oppo A3s |
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| Hardware and OS | Samsung Galaxy S7 mini | Oppo A3s |
| Operating system | Android 6.0 (Marshmallow); TouchWiz UI | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm MSM8996 Snapdragon 820 (14 nm) Exynos 8890 Octa (14 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 530 Mali-T880 MP12 | Adreno 506 |
| Internal memory | 32GB 3GB RAM, 64GB 3GB RAM | 16 GB, 2 GB RAM |
| External memory | microSDXC (uses shared SIM slot) - dual SIM model only | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy S7 mini | Oppo A3s |
| Type | Super AMOLED capacitive touchscreen, 16M colors | IPS LCD |
| Size | 4.6 inches, 58.3 cm2 | 6.2" inc |
| Resolution | 1080 x 1920 pixels, 16:9 ratio | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 81.2% | |
| Display area | 95.9 cm2 | |
| Display aspect ratio | 19:9 (height:width) | |
| Pixel Density | 271 PPI | |
| Colors | 16M | |
| Main Camera | Samsung Galaxy S7 mini | Oppo A3s |
| Camera | 12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4?m, dual pixel PDAF, OIS | |
| Features | LED flash, auto-HDR, panorama | |
| Video | 2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec. | |
| Selfie camera | Samsung Galaxy S7 mini | Oppo A3s |
| Camera | 5 MP, f/1.7, 22mm (wide), 1/4.1", 1.34?m | |
| Features | Dual video call, Auto-HDR | |
| Video | 1080p@30fps | |
| Connectivity | Samsung Galaxy S7 mini | 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 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE (unspecified) | LTE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.2, A2DP, LE, aptX | 4.2, A2DP, LE |
| Edge | Yes | |
| NFC | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Technology | GSM / HSPA / LTE | |
| 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 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Camera | Samsung Galaxy S7 mini | Oppo A3s |
| Main camera | 13 MP, Dual | |
| Specs | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | Samsung Galaxy S7 mini | Oppo A3s |
| Loudspeaker | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | No | FM radio |
| Design | Samsung Galaxy S7 mini | Oppo A3s |
| Body | Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) | |
| SIM | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Black, White, Gold, Silver | Red, Dark Purple |
| Dimensions | 9.9 mm thickness | 156.2 x 75.6 x 8.2 mm |
| Weight | - | 168 g |
| Features | Samsung Galaxy S7 mini | Oppo A3s |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | |
| Battery | Samsung Galaxy S7 mini | Oppo A3s |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Other | Samsung Galaxy S7 mini | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
