Compare phones
| Global Score | |
| 77.7 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 7.0 Nougat |
| 2020-06-19 | 2017-06-20 |
| 6.44 x 2.96 x 0.35 inches | 6.17 x 3.10 x 0.32 inches |
| 6.77 ounces | 6.31 ounces |
| Black, Blue, Red and White | 16 777 216 |
| -- | Aluminum |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 1600 x 720 pixels | 1920 x 1080 pixels (Full HD) |
| TFT | IPS LCD |
| 270 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Samsung Exynos 850 chipset | MediaTek Helio P20 MT6757 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Mali-T880 MP2 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.84 | 8.88 |
| Camera | |
| 48.00 MP + 13.00 MP | 13.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.70 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 |
| 10.78 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy A21s has an overall score of 77.7, which is just a bit better than Galaxy J7 Max's 76.1 score. Although the Samsung Galaxy A21s is newer than the Galaxy J7 Max, it's a bit heavier and a little thicker. These phones include Android OS (Operating System), but the Samsung Galaxy A21s has the previous 10 version and Galaxy J7 Max has Android 7.0 Nougat.
The Galaxy J7 Max has just a little better performance than Galaxy A21s, and although they both have the same number of cores, the Galaxy J7 Max also has more RAM memory. The Samsung Galaxy J7 Max features a brighter screen than Galaxy A21s, because although it has a quite smaller display, it also counts with a higher 1080 x 1920 pixels resolution and more pixels per display inch.
The Samsung Galaxy A21s features a better storage to store more games and applications than Galaxy J7 Max, and although they both have exactly the same internal memory capacity, the Samsung Galaxy A21s also has a slot for SD memory cards that supports a maximum of 512 GB. Samsung Galaxy A21s counts with a superior battery performance than Samsung Galaxy J7 Max, because it has 5000mAh of battery capacity.
The Galaxy A21s counts with a superior camera than Galaxy J7 Max, because although it has a tinier aperture, and they both have the same 30 frames per second video frame rates and the same video definition, the Galaxy A21s also counts with a camera with much more mega pixels.
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