| LG K51S |
Oppo A3s |
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| Hardware and OS | LG K51S | Oppo A3s |
| Operating system | Android 10.0 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core 2.3 GHz | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm SDM450 Snapdragon 450 (14 nm) | |
| GPU | Adreno 506 | |
| Internal memory | 64GB 3GB RAM | 16 GB, 2 GB RAM |
| External memory | microSDXC (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | LG K51S | Oppo A3s |
| Type | IPS LCD | IPS LCD |
| Size | 6.5" inc | 6.2" inc |
| Resolution | 720 x 1600 px | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 80.5% | 81.2% |
| Display area | 102.0 cm2 | 95.9 cm2 |
| Display aspect ratio | 20:9 (height:width) | 19:9 (height:width) |
| Pixel Density | 270 PPI | 271 PPI |
| Colors | 16M | 16M |
| Connectivity | LG K51S | 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, 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 (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| NFC | Yes | |
| GPS | Yes, with A-GPS | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | 2.0, Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go |
| Camera | LG K51S | Oppo A3s |
| Main camera | 32 MP, Quad | 13 MP, Dual |
| Specs | 32 MP, (wide), PDAF -5 MP, (ultrawide) -2 MP (macro) -2 MP (depth) | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
| Features | LED flash, panorama, HDR | LED flash, HDR, panorama |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | 13 MP, Single | 8 MP, Single |
| Multimedia | LG K51S | Oppo A3s |
| 3.5 mm Jack | Yes | Yes |
| Radio | No | FM radio |
| Design | LG K51S | Oppo A3s |
| Colors | Titanium, Pink, Blue | Red, Dark Purple |
| Dimensions | 165.2 x 76.7 x 8.2 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 168 g | |
| Battery | LG K51S | Oppo A3s |
| Battery capacity | 4000 mAh, Non-removable Li-Po | 4230 mAh, Non-removable Li-Ion |
| Other | LG K51S | Oppo A3s |
| Release date | 2020, February 18 | 2018, July |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Accelerometer, proximity, compass |
