| key specs |
| Display |
5.00-inch |
6.50-inch |
| Processor |
1.4GHz quad-core |
- |
| Front Camera |
5-megapixel |
13-megapixel |
| Rear Camera |
8-megapixel |
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel |
| RAM |
1GB |
3GB |
| Storage |
16GB |
32GB |
| Battery Capacity |
2600mAh |
4000mAh |
| OS |
Android 8.1 Oreo (Go edition) |
Android 10 |
| Resolution |
540x960 pixels |
- |
| general |
| Brand |
Samsung |
Samsung |
| Model |
Galaxy J2 Core 2020 |
Galaxy A21 |
| Release date |
April 28, 2020 |
April 8, 2020 |
| Launched in India |
Yes |
- |
| Form factor |
Touchscreen |
Touchscreen |
| Body type |
Plastic |
- |
| Dimensions (mm) |
143.40 x 72.10 x 8.90 |
- |
| Weight (g) |
154.00 |
- |
| Battery capacity (mAh) |
2600 |
4000 |
| Removable battery |
Yes |
No |
| Colours |
Gold, Blue, Black |
Black |
| Fast charging |
- |
Proprietary |
| Wireless charging |
- |
No |
| display |
| Screen size (inches) |
5.00 |
6.50 |
| Touchscreen |
Yes |
Yes |
| Resolution |
540x960 pixels |
- |
| Aspect ratio |
16:9 |
- |
| hardware |
| Processor |
1.4GHz quad-core |
- |
| RAM |
1GB |
3GB |
| Internal storage |
16GB |
32GB |
| Expandable storage |
Yes |
Yes |
| Expandable storage type |
microSD |
microSD |
| Expandable storage up to (GB) |
256 |
512 |
| Dedicated microSD slot |
Yes |
- |
| Processor make |
- |
MediaTek Helio P35 (MT6765) |
| camera |
| Rear camera |
8-megapixel (f/2.2) |
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel |
| Rear autofocus |
Yes |
Yes |
| Rear flash |
LED |
Yes |
| Front camera |
5-megapixel (f/2.2) |
13-megapixel |
| Pop-Up Camera |
- |
No |
| software |
| Operating system |
Android 8.1 Oreo (Go edition) |
Android 10 |
| connectivity |
| Wi-Fi |
Yes |
Yes |
| Wi-Fi standards ed |
802.11 b/g/n |
- |
| GPS |
Yes |
Yes |
| Bluetooth |
Yes, v 4.20 |
Yes |
| Micro-USB |
Yes |
- |
| Headphones |
3.5mm |
- |
| Number of SIMs |
2 |
- |
| Active 4G on both SIM cards |
No |
- |
| sim 1 |
| SIM Type |
Micro-SIM |
- |
| GSM/CDMA |
GSM |
- |
| 3G |
Yes |
- |
| 4G/ LTE |
Yes |
- |
| sim 2 |
| SIM Type |
Micro-SIM |
- |
| GSM/CDMA |
GSM |
- |
| 3G |
Yes |
- |
| 4G/ LTE |
Yes |
- |
| sensors |
| Face unlock |
No |
- |
| Fingerprint sensor |
No |
Yes |
| Proximity sensor |
Yes |
- |
| Accelerometer |
Yes |
- |
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