Compare phones
| Global Score | |
| 71.9 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11 |
| 2018-06-07 | 2021-01-29 |
| 6.03 x 3.00 x 0.34 inches | 5.97 x 2.80 x 0.31 inches |
| 6.38 ounces | 6.03 ounces |
| 16 777 216 | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 240.00 | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | Dynamic AMOLED |
| 267 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 9.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 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 | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 660 GPU |
| 8.73 | 9.63 |
| 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 | 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) and LTE (4G) | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 5.6 | 10.7 |
| Battery Life | |
| 3300mAh 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 |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 is much better than Galaxy J7 V (2018), having a score of 91.8 against 71.9. Both phones in this comparison review use Android OS (operating system), but the Galaxy S21 has the older 11 version while Galaxy J7 V (2018) has Android 8.0 Oreo version. The Galaxy S21 is a newer device, and it is also a little bit lighter and a bit thinner than the Galaxy J7 V (2018).
The Samsung Galaxy S21 counts with a much better looking screen than Galaxy J7 V (2018), because it has a much higher 1080 x 2400px resolution, way more pixels per inch of screen and a little larger display. Galaxy S21 counts with a little bit better storage for applications and games than Galaxy J7 V (2018), because although it has no SD card slot, it also counts with 128 GB internal memory.
The Samsung Galaxy S21 features a greater hardware performance than Galaxy J7 V (2018), and although they both have 8 CPU cores, the Samsung Galaxy S21 also has a higher amount of RAM memory. Galaxy S21 has superior battery life than Galaxy J7 V (2018), because it has a 4000mAh battery size. The Galaxy S21 shoots much clearer photographs and videos than Samsung Galaxy J7 V (2018), because although it has a smaller aperture and a less mega pixels camera, it also counts with a lot better 7680x4320 video resolution.
The Galaxy S21 is way more expensive than the Samsung Galaxy J7 V (2018), but it's still a great deal, as you can get a much better phone for that extra money.
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