On this page we compare specs Vivo Y21i Octa core (1.8 GHz, Quad core, Kryo 240 1.8 GHz, Quad core, Kryo 240) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | Vivo Y21i | Oppo A3s |
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Operating system | Android v11 | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Octa core (1.8 GHz, Quad core, Kryo 240 1.8 GHz, Quad core, Kryo 240) | Octa-core 1.8 GHz Cortex-A53 |
Custom UI | Funtouch OS | |
Chipset | Qualcomm Snapdragon 460 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | Adreno 610 | Adreno 506 |
Internal memory | 64 GB | 16 GB, 2 GB RAM |
Architecture | 64 bit | |
External memory | Yes, Up to 1 TB | microSD, up to 256 GB (dedicated slot) |
RAM | 4 GB | |
Display | Vivo Y21i | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 6.53 inches (16.59 cm) | 6.2" inc |
Resolution | | 720 x 1520 px |
Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
Screen-to-Body Ratio | | 81.2% |
Display area | | 95.9 cm2 |
PPI /points per inch/ | 269 ppi | |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | | 271 PPI |
Colors | | 16M |
Connectivity | Vivo Y21i | Oppo A3s |
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4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
Network Support | 4G, 3G, 2G | |
2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | | HSDPA 850 / 900 / 2100 |
SIM Slot(s) | Dual SIM, GSM GSM | |
4G Network | | LTE |
Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | | GSM / HSPA / LTE |
USB Connectivity | Mass storage device, USB charging | |
SIM card | SIM1: Nano, SIM2: Nano | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
GPS | Yes with A-GPS | 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 |
Camera | Vivo Y21i | Oppo A3s |
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Camera Setup | Triple | |
Autofocus | Yes | |
Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
Flash | Yes, LED Flash | |
Image Resolution | 4616 x 3464 Pixels | |
Main camera | 16 MP, Primary Camera, 2 MP, Macro Camera, 2 MP, Depth 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 | 16 MP, Primary Camera, | 8 MP, Single |
Multimedia | Vivo Y21i | Oppo A3s |
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Headphone jack | 3.5 mm | |
Loudspeaker | Yes | |
3.5 mm Jack | | Yes |
Radio | | FM radio |
Design | Vivo Y21i | Oppo A3s |
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Colors | | Red, Dark Purple |
Dimensions | | 156.2 x 75.6 x 8.2 mm |
Weight | | 168 g |
Other features | Vivo Y21i | Oppo A3s |
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Fingerprint Sensor | Yes | |
Fingerprint Sensor Position | Side | |
Other Sensors | Light sensor, Proximity sensor, Accelerometer, Gyroscope | |
Battery | Vivo Y21i | Oppo A3s |
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Capacity | 4500 mAh | |
Type | Li-Polymer | |
Removable | No | |
Quick Charging | Yes, Fast | |
USB Type-C | Yes | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | Vivo Y21i | Oppo A3s |
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Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |