Compare phones
| Global Score | |
| 71.5 | 77.7 |
| Basic Information | |
| Samsung | |
| Android 13 | Android 10 |
| -- | 2020-06-19 |
| 6.63 x 3.02 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 6.99 ounces | 6.77 ounces |
| Cerulean Blue, Cloudwing Grey and Flowing Purple | Black, Blue, Red and White |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 2460 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 395 pixels per inch | 270 pixels per inch |
| 5000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.6 | 7.2 |
| Performance | |
| MediaTek Helio G99 MT6789 (6 nm) chipset | Samsung Exynos 850 chipset |
| Octa-Core 2200 MHz processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Mali-G57 MC2 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.42 | 9.84 |
| Camera | |
| 64.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.69 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A21s has a general score of 77.7, which is a bit better than the Blackview Oscal Tiger 12's 71.5 score. These devices have Android OS (Operating System), but the Galaxy A21s has 10 version and Blackview Oscal Tiger 12 has Android 13. Galaxy A21s is a a little bit thicker but just a little lighter cellphone than Blackview Oscal Tiger 12.
The Blackview Oscal Tiger 12 has a bit faster processing unit than Samsung Galaxy A21s, and although they both have the same number of cores, the Blackview Oscal Tiger 12 also has more RAM. The Blackview Oscal Tiger 12 features a much more vibrant screen than Samsung Galaxy A21s, because it has a much better resolution of 1080 x 2460px, a little bigger screen and more pixels per inch in the display.
The Galaxy A21s captures much better photos and videos than Blackview Oscal Tiger 12, although it has a way lower resolution camera. Blackview Oscal Tiger 12 counts with a much better storage capacity for applications, games, photos and videos than Samsung Galaxy A21s, because it has a SD memory card expansion slot that holds up to 1 TB and 128 GB internal memory.
The Galaxy A21s features a battery lifetime that's very similar to the battery lifetime in Blackview Oscal Tiger 12.
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