Compare phones
| Global Score | |
| 71.5 | 84.1 |
| Basic Information | |
| Samsung | |
| Android 13 | Android 11, 10 |
| -- | 2020-03-23 |
| 6.63 x 3.02 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 6.99 ounces | 6.63 ounces |
| Cerulean Blue, Cloudwing Grey and Flowing Purple | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 2460 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 395 pixels per inch | 403 pixels per inch |
| 5000 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.6 | 8.4 |
| Performance | |
| MediaTek Helio G99 MT6789 (6 nm) chipset | Exynos 9611 chipset |
| Octa-Core 2200 MHz processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Mali-G57 MC2 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.42 | 11.74 |
| Camera | |
| 64.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.69 | 11.55 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 is much better than Blackview Oscal Tiger 12, getting a global score of 84.1 against 71.5. The Galaxy M21 is a a little thicker but a little lighter device than the Blackview Oscal Tiger 12. Both of these devices come with Android operating system, but the Galaxy M21 has an older 11 version and Blackview Oscal Tiger 12 has Android 13 version.
Galaxy M21 and Blackview Oscal Tiger 12 feature really similar CPUs, and although the Galaxy M21 has a lower amount of RAM memory, they both have the same number of cores. Blackview Oscal Tiger 12 counts with a much sharper screen than Samsung Galaxy M21, because although it has a just a little worse quantity of pixels per inch of screen, it also counts with a quite larger screen, a slightly higher resolution of 1080 x 2460 pixels and much more screen brightness.
The Samsung Galaxy M21 has a very superior camera than Blackview Oscal Tiger 12, although it has a way less mega-pixels camera. The Blackview Oscal Tiger 12 has a way bigger memory capacity for apps and games than Galaxy M21, because it has a SD card slot that allows up to 1 TB and more internal memory capacity.
The Samsung Galaxy M21 has superior battery duration than Blackview Oscal Tiger 12, because it has 6000mAh of battery capacity.
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