Compare phones
| Global Score | |
| 76.1 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 7.0 Nougat | Android 10 |
| 2017-06-20 | 2020-06-19 |
| 6.17 x 3.10 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Aluminum | -- |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | TFT |
| 386 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| MediaTek Helio P20 MT6757 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-T880 MP2 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 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 |
| 9.02 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Samsung Galaxy A21s is just a bit better than the Galaxy J7 Max, with a 77.7 score against 76.1. The Samsung Galaxy A21s body is newer, but just a little bit thicker and a little heavier than Galaxy J7 Max. These devices have Android OS, but the Samsung Galaxy A21s has the previous 10 version and Galaxy J7 Max has Android 7.0 Nougat version.
The Samsung Galaxy J7 Max features a bit superior CPU than Galaxy A21s, and although they both have 8 cores, the Samsung Galaxy J7 Max also has a larger amount of RAM memory. Galaxy J7 Max counts with a brighter screen than Galaxy A21s, because although it has a quite smaller screen, it also counts with a higher pixel count per screen inch and a higher 1080 x 1920 resolution.
The Galaxy A21s has a better memory capacity to store more apps and games than Galaxy J7 Max, and although they both have exactly the same internal storage capacity, the Galaxy A21s also has a slot for SD memory cards that allows up to 512 GB. Galaxy A21s has a superior battery performance than Galaxy J7 Max, because it has a 5000mAh battery capacity.
Galaxy A21s takes better pictures and videos than Galaxy J7 Max, because although it has a tinier camera aperture, and they both have the same 30 fps video frame rates and the same 1920x1080 video resolution, the Galaxy A21s also counts with a back facing camera with way more mega-pixels.
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