Compare phones
| Global Score | |
| 71.9 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 10 |
| 2018-06-07 | 2020-06-29 |
| 6.03 x 3.00 x 0.34 inches | 6.61 x 3.02 x 0.32 inches |
| 6.38 ounces | 6.81 ounces |
| 16 777 216 | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 240.00 | $ 194.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 1600 x 720 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 7.3 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 3 GB RAM |
| Mali-T830 MP1 GPU | PowerVR GE8320 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 9.84 |
| Camera | |
| 13.00 MP + 13.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A21 has an overall score of 76.1, which is just a bit better than the Galaxy J7 V (2018)'s global score of 71.9. The Samsung Galaxy A21 body is notably newer and a bit thinner than Galaxy J7 V (2018)'s, although it's just a little heavier. Both of these phones work with Android OS, but the Samsung Galaxy A21 has the older 10 version while Galaxy J7 V (2018) has Android 8.0 Oreo version.
The Samsung Galaxy A21 has just a bit better looking display than Galaxy J7 V (2018), because it has a bigger screen, a slightly better 720 x 1600 resolution and a just a little better pixel density. The Galaxy A21 has a little bit better memory capacity to install games and applications than Galaxy J7 V (2018), and although they both have exactly the same 32 GB internal memory capacity, the Galaxy A21 also has an external SD slot that allows up to 512 GB.
The Samsung Galaxy A21 features a bit better processing power than Galaxy J7 V (2018), and although they both have 8 processing cores, the Samsung Galaxy A21 also has more RAM memory. Galaxy A21 has better battery lifetime than Galaxy J7 V (2018), because it has 4000mAh of battery capacity. The Galaxy A21 captures clearer pictures and videos than Samsung Galaxy J7 V (2018), because although it has a tinier diafragm aperture which is not recommended for low light photography and video, and they both have the same video frame rates and the same video resolution, the Galaxy A21 also counts with a more megapixels back facing camera.
Despite of being the best phone in our comparison, the Galaxy A21 is also a lot cheaper, making it an easy decision.
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