| Vivo Y21 |
Samsung Galaxy A12 |
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| Hardware and OS | Vivo Y21 | Samsung Galaxy A12 |
| Operating System | Android v5.1 (Lollipop) | Android v10 (Q) |
| Processor | Quad core, 1.3 GHz, Cortex A7 | Octa core, 2.3 GHz, Cortex A53 |
| Chipset | MediaTek MT6580 | MediaTek Helio P35 |
| Architecture | 32 bit | |
| RAM | 1 GB | 4 GB |
| Internal Memory | 16 GB | 64 GB |
| Expandable Memory | yes Up to 128 GB | Yes, Up to 1 TB |
| Custom UI | Samsung One UI | |
| Graphics | Mali-400 MP | PowerVR GE8320 |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Display | Vivo Y21 | Samsung Galaxy A12 |
| Screen Size | 4.5 inches (11.43 cm) | 6.5 inches (16.51 cm) |
| Resolution | 720 x 1600 pixels | |
| Screen Resolution | 480 x 854 pixels | |
| Display Type | IPS LCD | PLS TFT LCD |
| Pixel Density | 218 ppi | 270 ppi |
| Screen Protection | No | |
| Aspect Ratio | 20:9 | |
| Touch Screen | yes Capacitive Touchscreen, Multi-touch | Yes, Capacitive Touchscreen, Multi-touch |
| Main Camera | Vivo Y21 | Samsung Galaxy A12 |
| Resolution | 5 MP f/2.2 Primary Camera | 48 MP f/2.0 (upto 10x Digital Zoom), Wide Angle (80° field-of-view) Primary Camera(26 mm focal length)5 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera |
| Image Resolution | 2592 x 1944 Pixels | 8000 x 6000 Pixels |
| Flash | yes LED Flash | Yes, LED Flash |
| Camera Features | Digital Zoom | 10 x Digital Zoom Auto Flash Face detection Touch to focus |
| Autofocus | yes | Yes |
| Camera Setup | Quad | |
| Optical Image Stabilisation | No | |
| Physical Aperture | F2.2 | |
| Settings | Exposure compensation, ISO control | |
| Video Recording | 1280x720 @ 30 fps | 1920x1080 @ 30 fps |
| Front Camera | Vivo Y21 | Samsung Galaxy A12 |
| Resolution | 2 MP f/2.2 Primary Camera | 8 MP f/2.2 Primary Camera |
| Flash | No | No |
| Autofocus | No | No |
| Camera Setup | Single | |
| Physical Aperture | F2.2 | |
| Video Recording | 1920x1080 @ 30 fps | |
| Connectivity | Vivo Y21 | Samsung Galaxy A12 |
| Network | 4G: Not Available, 3G: Available, 2G: Available | 4G , 3G, 2G |
| SIM 1 | 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | 4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available |
| SIM 2 | 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz | 4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available |
| SIM Size | SIM1: Micro, SIM2: Micro | |
| Bluetooth | yes v4.0 | Yes, v5.0 |
| GPS | yes with A-GPS | Yes with A-GPS, Glonass |
| NFC | No | No |
| VoLTE | Yes | |
| Wi-Fi | yes Wi-Fi 802.11, b/g/n | Yes, Wi-Fi 802.11, b/g/n |
| Wi-Fi Features | Mobile Hotspot | Wi-Fi Direct, Mobile Hotspot |
| USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | Mass storage device, USB charging |
| Multimedia | Vivo Y21 | Samsung Galaxy A12 |
| Audio Jack | 3.5 mm | 3.5 mm |
| FM Radio | yes | |
| Loudspeaker | yes | |
| Design | Vivo Y21 | Samsung Galaxy A12 |
| Height | 130.7 mm | 164 mm |
| Width | 66.4 mm | 75.8 mm |
| Thickness | 9.2 mm | 8.9 mm |
| Build Material | Back: Plastic | |
| Weight | 145 grams | 205 grams |
| Colours | Gold, White | Black, Blue, White |
| Battery | Vivo Y21 | Samsung Galaxy A12 |
| Type | Li-ion | Li-ion |
| Capacity | 1900 mAh | 5000 mAh |
| Removable | No | |
| User Replaceable | yes | |
| Quick Charging | No | Yes, Fast, 15W |
| TalkTime | Up to 34 Hours(4G) | |
| USB Type-C | No | Yes |
| USB OTG Support | yes | |
| Features | Vivo Y21 | Samsung Galaxy A12 |
| Fingerprint Sensor | No | Yes |
| Other Sensors | Proximity sensor, Accelerometer, Compass | Light sensor, Proximity sensor, Accelerometer |
