Compare phones
| Global Score | |
| 77.6 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2014-09-29 | 2020-06-19 |
| 6.04 x 3.09 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 6.21 ounces | 6.77 ounces |
| Black, Gold, Pink and White | Black, Blue, Red and White |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 515 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.6 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 5433 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 20 nm (Octa-Core 1900 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-T760 MP6 GPU | Mali-G76 GPU |
| 9 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 9.84 |
| Camera | |
| 16.00 MP + 3.70 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 31.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | -- |
| 9.9 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3220mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 5.2 | 6.8 |
| Other Features | |
| Bluetooth 4.1, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Samsung Galaxy A21s has a general score of 77.7, which is slightly better than Samsung Galaxy Note4's overall score of 77.6. Samsung Galaxy A21s's design is newer, but just a bit heavier and a bit thicker than the Samsung Galaxy Note4. Samsung Galaxy A21s has a bit better CPU than Galaxy Note4. Both have 8 cores and 3 GB of RAM memory.
The Galaxy Note4 features a brighter display than Samsung Galaxy A21s, because although it has a bit smaller screen, it also counts with a lot higher display density and a much better resolution of 1440 x 2560px. Galaxy A21s counts with a way bigger storage to store more games and applications than Galaxy Note4, and although they both have equal 32 GB internal storage, the Galaxy A21s also has a slot for an SD memory card that holds a maximum of 512 GB.
The Samsung Galaxy A21s counts with a superior battery lifetime than Samsung Galaxy Note4, because it has a 55% larger battery capacity. Galaxy A21s takes a little bit better pictures and videos than Galaxy Note4, and although they both have the same video frame rate and the same (Full HD) video quality, the Galaxy A21s also has a bigger aperture for better photos and video in low light environments, a much larger sensor and a way higher 48 MP resolution back camera.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.