Compare phones
| Global Score | |
| 73.5 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 11 |
| 2017-07-01 | 2021-01-29 |
| 6.00 x 2.94 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| 6.38 ounces | 8.04 ounces |
| Black, Gold, Rose gold and Silver | Phantom black and Silver |
| Aluminum | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 9.8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| Mali-T830 MP2 GPU | Adreno 660 GPU |
| 8.73 | 9.72 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 7.48 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") 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 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3600mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | 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 | FM Radio |
Comparison review
The Galaxy S21 Ultra has an overall score of 98.1, which is way better than Galaxy J7 (2017)'s 73.5 score. The Galaxy S21 Ultra is a noticeably newer cellphone than Galaxy J7 (2017), but it is thicker and much heavier. These devices have Android OS, but the Galaxy S21 Ultra has the previous 11 version and Galaxy J7 (2017) has Android 9.0 Pie.
Samsung Galaxy S21 Ultra counts with a superior processing unit than Galaxy J7 (2017), and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM. The Samsung Galaxy S21 Ultra features a much more vibrant display than Galaxy J7 (2017), because it has a larger display, a much higher resolution of 1440 x 3200px and a higher display density.
Galaxy S21 Ultra features a superior storage for games and applications than Samsung Galaxy J7 (2017), because although it has no slot for an SD memory card, it also counts with 112 GB more internal storage. Samsung Galaxy S21 Ultra counts with a very superior camera than Samsung Galaxy J7 (2017), because although it has a tinier aperture, it also counts with a lot better video definition and a much higher resolution camera in the back.
The Samsung Galaxy S21 Ultra features a way better battery duration than Galaxy J7 (2017), because it has a 5000mAh battery size instead of 3600mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.