Compare phones
| Global Score | |
| 74.5 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2021-01-04 | 2020-06-19 |
| 6.46 x 2.99 x 0.36 inches | 6.44 x 2.96 x 0.35 inches |
| 6.91 ounces | 6.77 ounces |
| Black, Blue and White | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| $ 170.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 270 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Samsung Exynos 850 chipset |
| Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 506 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.12 | 9.84 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s has a global score of 77.7, which is a bit better than Galaxy A02s's score of 74.5. Even though Galaxy A21s and Galaxy A02s were released with only a couple of months difference, Galaxy A21s is just a bit thinner and just a little bit lighter. Both phones we are comparing use Android OS (Operating System), but Galaxy A21s has 10 version and Galaxy A02s has Android 11 version.
Samsung Galaxy A21s counts with a little bit better performance than Galaxy A02s. Both have 3 GB of RAM and a Octa-Core processing unit. Galaxy A21s has a display that's very similar to Galaxy A02s's display, both of them have the same quantity of pixels in each screen inch, the same resolution of 720 x 1600 and a same size screen.
Galaxy A02s features a bigger memory capacity to store more apps and games than Galaxy A21s, and although they both have exactly the same 32 GB internal storage, the Galaxy A02s also has a SD extension slot that allows a maximum of 1 TB. The Galaxy A21s takes a lot better videos and photos than Galaxy A02s, and although they both have the same 1920x1080 (Full HD) video resolution and the same video frame rates, the Galaxy A21s also has a bigger camera aperture and a camera in the back with a lot better 48 MP resolution.
Samsung Galaxy A21s and Samsung Galaxy A02s have extremely similar batteries duration.
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