Compare phones
| Global Score | |
| 76.1 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 7.0 Nougat | Android 11 |
| 2017-06-20 | 2021-01-29 |
| 6.17 x 3.10 x 0.32 inches | 5.97 x 2.80 x 0.31 inches |
| 6.31 ounces | 6.03 ounces |
| 16 777 216 | Gray, Phantom pink, Violet and White |
| Aluminum | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 5.7 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 386 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| MediaTek Helio P20 MT6757 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-T880 MP2 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 5.92 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S21 is way better than the Galaxy J7 Max, with a 91.8 score against 76.1. These phones have Android OS, but the Galaxy S21 has 11 version while Galaxy J7 Max has Android 7.0 Nougat. Galaxy S21's body is notably newer, just a bit lighter and a little thinner than Galaxy J7 Max. Galaxy S21 has a brighter screen than Galaxy J7 Max, because it has a bit more pixels per inch of screen, a bit higher resolution of 1080 x 2400 pixels and a quite bigger display.
Galaxy S21 features a greater memory capacity to store more games and applications than Samsung Galaxy J7 Max, because although it has no SD memory slot, it also counts with 96 GB more internal memory capacity. The Samsung Galaxy S21 counts with a bit better hardware performance than Samsung Galaxy J7 Max, and although they both have 8 cpu cores, the Samsung Galaxy S21 also has a higher amount of RAM.
The Samsung Galaxy S21 counts with greater battery duration than Samsung Galaxy J7 Max, because it has 4000mAh of battery capacity. The Samsung Galaxy S21 captures much clearer photographs and videos than Galaxy J7 Max, because although it has a smaller diafragm aperture which is not good for low-light captures and a lesser megapixels resolution camera in the back, it also counts with a much better 7680x4320 video quality.
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