Compare phones
| Global Score | |
| 76.1 | 84.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-29 | 2018-10-20 |
| 6.61 x 3.02 x 0.32 inches | 6.29 x 3.02 x 0.30 inches |
| 6.81 ounces | 5.93 ounces |
| Black | 16 777 216 |
| Plastic and Plastic | Glass (Corning Gorilla Glass 3) and Plastic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 1600 x 720 pixels | 2220 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Mediatek Helio P35 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Mali-G71 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 14.14 |
| Camera | |
| 16.00 MP + 13.00 MP | 24.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.35 | 9.9 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.28 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A7 (2018) has a global score of 84.2, which is much better than Galaxy A21's general score of 76.1. The Galaxy A7 (2018) is an older device than the Galaxy A21, but it is somewhat lighter and just a little bit thinner anyway. The Galaxy A7 (2018) features a processor that is very similar to Galaxy A21's CPU, and although the Galaxy A7 (2018) has more RAM memory, they both have a Octa-Core CPU.
Samsung Galaxy A7 (2018) has a brighter display than Galaxy A21, because although it has a little smaller screen, it also counts with a lot greater display density and a lot better resolution of 1080 x 2220px. The Samsung Galaxy A7 (2018) has a much greater storage capacity for games and applications than Samsung Galaxy A21, and although they both have a slot for an SD memory card that holds up to 512 GB, the Samsung Galaxy A7 (2018) also has 128 GB internal storage.
The Samsung Galaxy A7 (2018) has a little bit better camera than Samsung Galaxy A21, and although they both have the same 30 fps video frame rates and the same 1920x1080 video quality, the Samsung Galaxy A7 (2018) also has a back-facing camera with lot more mega pixels, a bigger sensor capturing higher quality pictures and a bigger camera aperture.
Galaxy A21 counts with better battery duration than Galaxy A7 (2018), because it has a 21% greater battery size.
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