Compare phones
| Global Score | |
| 74.9 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2016-01-01 | 2020-06-29 |
| 6.37 x 3.19 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 7.05 ounces | 6.81 ounces |
| Champagne gold, Midnight black, Pearl white and Pink | Black |
| Metal | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 367 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 510 GPU | PowerVR GE8320 GPU |
| 8.91 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 9.84 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM |
| 5.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A21 is slightly better than the Samsung Galaxy A9 (2016), having a 76.1 score against 74.9. Galaxy A21's body is notably newer and just a little lighter than Samsung Galaxy A9 (2016)'s, but it is also just a bit thicker. Galaxy A9 (2016) counts with a bit better display than Galaxy A21, because although it has a little smaller display, it also counts with a better resolution of 1080 x 1920 and more pixels per inch in the screen.
Galaxy A21 has a much greater memory to install applications and games than Galaxy A9 (2016), and although they both have exactly the same internal storage capacity, the Galaxy A21 also has a slot for an external memory card that allows up to 512 GB. The Galaxy A21 has a bit superior processing unit than Galaxy A9 (2016). They have 8 cores and the same RAM memory amount.
The Galaxy A9 (2016) counts with just a bit better camera than Galaxy A21, because although it has a back-facing camera with a lower resolution and a smaller diafragm aperture which is worse for low light photography, it also counts with a way better (4K) video quality. Galaxy A21 and Galaxy A9 (2016) count with really similar battery durations.
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