Compare phones
| Global Score | |
| 72.5 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11 |
| 2018-07-13 | 2021-01-29 |
| 6.03 x 3.00 x 0.34 inches | 6.50 x 2.98 x 0.35 inches |
| 6.38 ounces | 8.04 ounces |
| Black | Phantom black and Silver |
| Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 230.00 | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1280 x 720 pixels (HD) | 3200 x 1440 pixels |
| TFT | Dynamic AMOLED |
| 267 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 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 |
| 2 GB RAM | 12 GB RAM |
| Mali-T830 MP1 GPU | Adreno 660 GPU |
| 8.73 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | 24.00mm focal length |
| 0.33 inches (1/3.06") sensor | 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 |
| 9.13 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3300mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | 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 Ultra has a global score of 98.1, which is a lot better than Samsung Galaxy J7 (2018)'s 72.5 global score. Galaxy S21 Ultra is a much newer phone than Samsung Galaxy J7 (2018), although it is just a little bit thicker and heavier. The Samsung Galaxy S21 Ultra has a better CPU than Galaxy J7 (2018), and although they both have 8 processing cores, the Samsung Galaxy S21 Ultra also has a greater amount of RAM memory.
The Samsung Galaxy S21 Ultra has a much better display than Samsung Galaxy J7 (2018), because it has a larger screen, a much greater screen pixels density and a way higher resolution of 1440 x 3200 pixels. Galaxy S21 Ultra features a slightly better storage capacity for applications, games, photos and videos than Galaxy J7 (2018), because although it has no SD memory slot, it also counts with 128 GB internal storage.
The Samsung Galaxy S21 Ultra counts with a way better battery duration than Samsung Galaxy J7 (2018), because it has 5000mAh of battery capacity instead of 3300mAh. The Samsung Galaxy S21 Ultra has a very superior camera than Galaxy J7 (2018), because although it has a tinier aperture which is not so good for taking photos or video in low-light situations, it also counts with a lot higher video resolution, a lot larger back-facing camera sensor and a lot better 108 mega pixels resolution camera in the back.
The Galaxy S21 Ultra costs a lot more money than Samsung Galaxy J7 (2018), but it's still a great deal, because you can get a better phone for that extra money.
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