Compare phones
| Global Score | |
| 76.9 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.1 Nougat | Android 10 |
| 2018-01-09 | 2020-06-19 |
| 5.97 x 2.95 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 6.00 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| TFT | TFT |
| 401 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-T830 MP1 GPU | Mali-G76 GPU |
| 8.82 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 9.84 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.13 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Samsung Galaxy A21s is a little bit better than the Samsung Galaxy On7 Prime, having a 77.7 score against 76.9. The Samsung Galaxy A21s construction is extremely newer, but thicker and heavier than the Samsung Galaxy On7 Prime. Both of these phones have Android OS (operating system), but the Samsung Galaxy A21s has 10 version while Samsung Galaxy On7 Prime has Android 9.0 Pie version.
Samsung Galaxy On7 Prime has a bit more vivid screen than Galaxy A21s, because although it has a bit smaller screen, it also counts with a greater number of pixels per screen inch and a higher resolution of 1080 x 1920 pixels. The Galaxy On7 Prime has a bit more memory capacity to install applications and games than Samsung Galaxy A21s, because although it has an external SD slot that allows up to 256 GB against 512 GB, it also counts with 32 GB more internal storage.
The Samsung Galaxy A21s features just a bit better hardware performance than Samsung Galaxy On7 Prime, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. Galaxy A21s shoots better videos and photos than Samsung Galaxy On7 Prime, because although it has a smaller diafragm aperture, and they both have the same 1920x1080 (Full HD) video resolution and the same video frame rates, the Galaxy A21s also counts with a way bigger back camera sensor taking more light and vivid colors and a back-facing camera with a much higher 48 mega-pixels resolution.
The Galaxy A21s has a way better battery life than Galaxy On7 Prime, because it has a 5000mAh battery size.
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