Compare phones
| Global Score | |
| 79.6 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-04-10 | 2020-06-19 |
| 5.69 x 2.72 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 4.94 ounces | 6.77 ounces |
| Black, Blue, Coral and White | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.9 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 437 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Exynos 7904 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 9.84 |
| Camera | |
| 16.00 MP + 25.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm 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 |
| 9.46 | 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 | |
| 3100mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 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
Galaxy A40 has a score of 79.6, which is slightly better than Samsung Galaxy A21s's global score of 77.7. These phones use Android operating system, but the Galaxy A40 has a more recent 11 version while Samsung Galaxy A21s has Android 10. Galaxy A40 is an older cellphone than the Samsung Galaxy A21s, but Samsung was able to make it thinner and extremely lighter.
Samsung Galaxy A21s counts with just a little better processing power than Galaxy A40, although it has a lower amount of RAM, they both have the same number of cores. The Samsung Galaxy A40 counts with a much better display than Galaxy A21s, because although it has a bit smaller display, it also counts with a much higher 1080 x 2340 resolution and a lot better number of pixels per inch in the display.
The Galaxy A40 counts with a quite bigger memory capacity to install games and applications than Samsung Galaxy A21s, and although they both have a SD memory card expansion slot that supports a maximum of 512 GB, the Galaxy A40 also has more internal memory capacity. Galaxy A21s takes much better photos and videos than Samsung Galaxy A40, because although it has a tinier aperture, and they both have the same video resolution and the same video frame rate, the Galaxy A21s also counts with a back facing camera with a way better 48 mega pixels resolution and a much bigger sensor capturing much higher quality photographs.
The Galaxy A21s counts with a really longer battery duration than Galaxy A40, because it has a 5000mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.