Compare phones
| Global Score | |
| 98.1 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 7.0 Nougat |
| 2021-01-29 | 2017-06-20 |
| 6.50 x 2.98 x 0.35 inches | 6.17 x 3.10 x 0.32 inches |
| 8.04 ounces | 6.31 ounces |
| Phantom black and Silver | 16 777 216 |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 5.7 inches |
| 3200 x 1440 pixels | 1920 x 1080 pixels (Full HD) |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 386 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Helio P20 MT6757 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-T880 MP2 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 8.88 |
| Camera | |
| 108.00 MP + 40.00 MP | 13.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.1 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.28 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S21 Ultra is a lot better than Galaxy J7 Max, having a overall score of 98.1 against 76.1. Both of these phones have Android OS (operating system), but the Galaxy S21 Ultra has the previous 11 version while Galaxy J7 Max has Android 7.0 Nougat version. Although the Galaxy S21 Ultra is notably newer than the Galaxy J7 Max, it's just a little bit thicker and extremely heavier.
The Samsung Galaxy S21 Ultra counts with a much sharper screen than Galaxy J7 Max, because it has a much higher resolution of 1440 x 3200, more pixels per inch of display and a bigger display. Samsung Galaxy S21 Ultra has a greater memory capacity for games and applications than Samsung Galaxy J7 Max, because although it has no SD memory card expansion slot, it also counts with 128 GB internal memory.
Galaxy S21 Ultra features a bit better processing power than Samsung Galaxy J7 Max, and although they both have the same number of cores, the Galaxy S21 Ultra also has 8 GB more RAM memory. The Galaxy S21 Ultra counts with a greater camera than Galaxy J7 Max, because although it has a smaller camera aperture which is not so good for capturing photographs and videos in low-light environments, it also counts with a much higher video quality and a back camera with a way better 108 mega pixels resolution.
The Galaxy S21 Ultra has a really longer battery performance than Galaxy J7 Max, because it has 5000mAh of battery capacity against 3300mAh.
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