Compare phones
| Global Score | |
| 71.8 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2017-07-04 | 2020-06-19 |
| 5.76 x 2.81 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 5.64 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 282 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 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 |
| 2 GB RAM | 3 GB RAM |
| Mali-T830 MP2 GPU | Mali-G76 GPU |
| 8.73 | 9.09 |
| Storage | |
| 16 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 9.84 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | 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
Samsung Galaxy A21s is a bit better than Galaxy J5 (2017), having a 77.7 score against 71.8. Samsung Galaxy A21s's design is newer than the Galaxy J5 (2017)'s, but it's heavier and thicker. Galaxy A21s has a bit better hardware performance than Samsung Galaxy J5 (2017), and although they both have 8 cpu cores, the Galaxy A21s also has 1 GB more RAM memory.
Samsung Galaxy A21s features a display that's very similar to the Galaxy J5 (2017) one, because although the Samsung Galaxy A21s has a little bit worse pixel density, it also counts with a little higher 720 x 1600 resolution and a bigger display. The Galaxy A21s features a way bigger storage to install games and applications than Samsung Galaxy J5 (2017), because it has an external memory card slot that supports up to 512 GB and 16 GB more internal storage.
Galaxy A21s counts with a way better battery duration than Samsung Galaxy J5 (2017), because it has a 67% larger battery capacity. The Galaxy A21s has a much better camera than Galaxy J5 (2017), because although it has a tinier camera aperture, and they both have the same video quality and the same 30 frames per second video frame rate, the Galaxy A21s also counts with a back-facing camera with a much better 48 mega pixels resolution.
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