| vivo Y15s 2021 |
Oppo A3s |
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| Hardware and OS | vivo Y15s 2021 | Oppo A3s |
| Operating system | Android 11 (Go edition), Funtouch 11.1 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Mediatek MT6765 Helio P35 (12nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | PowerVR GE8320 | Adreno 506 |
| Internal memory | 32GB 3GB RAM | 16 GB, 2 GB RAM |
| External memory | microSDXC (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | vivo Y15s 2021 | Oppo A3s |
| Type | IPS LCD | IPS LCD |
| Size | 6.51" inc | 6.2" inc |
| Resolution | 720 x 1600 px | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Display colors | 16M | |
| Screen-to-Body Ratio | 81.2% | |
| Screen area | 102.3 cm2 | |
| Display area | 95.9 cm2 | |
| Screen format | 20:9 (height:width) | |
| Display aspect ratio | 19:9 (height:width) | |
| Screen to body ratio | 83.0% | |
| Pixel Density | 271 PPI | |
| PPI /points per inch/ | 270 PPI | |
| Colors | 16M | |
| Connectivity | vivo Y15s 2021 | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| 4G Network | LTE | |
| NFC | No | |
| 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 | 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 |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Speed | 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 | vivo Y15s 2021 | Oppo A3s |
| Rear camera, main | 13 MP, Dual | |
| Camera specs | 13 MP, f/2.2, 27mm (wide), AF -2 MP, f/2.4, (depth) | |
| Main camera | 13 MP, Dual | |
| Functions | LED flash, panorama | |
| Specs | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | |
| Features | LED flash, HDR, panorama | |
| Front camera, selfie | 8 MP, Single | |
| Video | 1080p@30fps | 1080p@30fps |
| Specifications | 8 MP, f/2.0 | |
| Selfie camera | 8 MP, Single | |
| Multimedia | vivo Y15s 2021 | Oppo A3s |
| Headphone jack | Yes | |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | FM radio |
| Design | vivo Y15s 2021 | Oppo A3s |
| Dimensions (HxWxD) | 164 x 75.2 x 8.3 mm | 6.46 x 2.96 x 0.33 in | |
| Colors | Wave Green, Mystic Blue | Red, Dark Purple |
| Dimensions | 156.2 x 75.6 x 8.2 mm | |
| Weight | 179 g | 6.31 oz | 168 g |
| Body build | Glass front, plastic back, plastic frame | |
| Battery | vivo Y15s 2021 | Oppo A3s |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Battery | 5000 mAh, Li-Po, non-removable | |
| Other | vivo Y15s 2021 | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass | |
| Other features | vivo Y15s 2021 | Oppo A3s |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass Charging 10W -Reverse charging 5W |
