Compare phones
| Global Score | |
| 84.1 | 84.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-03-23 | 2018-10-20 |
| 6.26 x 2.96 x 0.35 inches | 6.29 x 3.02 x 0.30 inches |
| 6.63 ounces | 5.93 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Glass (Corning Gorilla Glass 3) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 411 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Mali-G71 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 24.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy A7 (2018) is a little bit better than Samsung Galaxy M21, with an 84.2 score against 84.1. Samsung Galaxy A7 (2018)'s design is somewhat thinner and somewhat lighter than the Samsung Galaxy M21, despite of the fact that it was released a little bit over a year before. Samsung Galaxy M21 features a bit sharper display than Galaxy A7 (2018), because although it has a just a little inferior count of pixels per screen inch, it also counts with a little bit bigger screen and a little bit higher resolution of 1080 x 2340 pixels.
Samsung Galaxy A7 (2018) has a much bigger memory capacity for apps and games than Galaxy M21, and although they both have a SD memory slot that supports a maximum of 512 GB, the Samsung Galaxy A7 (2018) also has 64 GB more internal memory. The Galaxy A7 (2018) and Galaxy M21 have incredibly similar processing units, and although the Galaxy A7 (2018) has 2 GB more RAM, they both have 8 CPU cores.
Samsung Galaxy M21 features a much better battery life than Samsung Galaxy A7 (2018), because it has 6000mAh of battery capacity. Samsung Galaxy M21 captures much better pictures and videos than Galaxy A7 (2018), because although it has a tinier aperture, it also counts with a lot bigger back-facing camera sensor, a lot better 3840x2160 video definition and a way higher resolution back-facing camera.
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