Compare phones
| Global Score | |
| 84.2 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2018-10-20 | 2020-06-19 |
| 6.29 x 3.02 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 5.93 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Glass (Corning Gorilla Glass 3) and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2220 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 411 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7885 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 9.84 |
| Camera | |
| 24.00 MP + 24.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.9 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A7 (2018) has a general score of 84.2, which is a little bit better than Galaxy A21s's 77.7 global score. The Samsung Galaxy A7 (2018) is an older device than Galaxy A21s, but Samsung managed to make it somewhat lighter and thinner anyway. The Galaxy A7 (2018) features a bit better hardware performance than Galaxy A21s, and although they both have the same number of cores, the Galaxy A7 (2018) also has a higher amount of RAM.
The Galaxy A7 (2018) features a better screen than Galaxy A21s, because although it has a quite smaller screen, it also counts with a lot higher 1080 x 2220 resolution and a lot greater number of pixels per inch in the screen. Samsung Galaxy A21s takes slightly better pictures and videos than Galaxy A7 (2018), because although it has a smaller aperture which is not nice for low-light captures, and they both have the same 1920x1080 video quality and the same 30 fps video frame rate, the Samsung Galaxy A21s also counts with a much bigger sensor providing a way better image quality and a way more mega-pixels camera.
The Galaxy A7 (2018) has much more storage to store more games and applications than Samsung Galaxy A21s, and although they both have a SD memory slot that holds a maximum of 512 GB, the Galaxy A7 (2018) also has 128 GB internal memory capacity. Galaxy A21s has a superior battery lifetime than Galaxy A7 (2018), because it has a 52 percent greater battery capacity.
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