Compare phones
| Global Score | |
| 77.7 | 76.1 |
| Basic Information | |
| Samsung | |
| Android 10 | Android 11 |
| 2020-06-19 | 2021-04-20 |
| 6.44 x 2.96 x 0.35 inches | 6.46 x 2.87 x 0.36 inches |
| 6.77 ounces | 6.70 ounces |
| Black, Blue, Red and White | Marine Blue and Moondust Gray |
| -- | Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 619 GPU |
| 9.09 | 9.18 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 9.84 | 18.62 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 10.78 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A21s has an overall score of 77.7, which is a little bit better than the TCL 20 Pro 5G's 76.1 global score. Both devices in this comparison review include Android OS (Operating System), but Galaxy A21s has the previous 10 version and TCL 20 Pro 5G has Android 11 version. The Galaxy A21s is an older and a bit heavier cellphone than the TCL 20 Pro 5G, but Samsung managed to build it just a little thinner anyway.
TCL 20 Pro 5G features a bit more powerful processing unit than Galaxy A21s, and although they both have a Octa-Core processor, the TCL 20 Pro 5G also has 3 GB more RAM. The TCL 20 Pro 5G features a better looking display than Galaxy A21s, because it has a lot better 1080 x 2400 resolution, a little bit larger display and a higher pixels number in each inch of screen.
TCL 20 Pro 5G counts with a much better memory for games and applications than Galaxy A21s, because it has an external memory slot that admits up to 1 TB and 256 GB internal memory capacity. Galaxy A21s has just a bit better battery life than TCL 20 Pro 5G, because it has 5000mAh of battery capacity instead of 4500mAh.
TCL 20 Pro 5G features a slightly better camera than Galaxy A21s, and although they both have a 48 mega pixels resolution camera and a 0.5 inches back-facing camera sensor, the TCL 20 Pro 5G also has a way better (4K) video definition and a larger aperture for better captures in low-light environments.
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