| Global Score | |
| 77.7 | 79 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 4.4 |
| 2020-06-19 | 2013-03-14 |
| 6.44 x 2.96 x 0.35 inches | 5.38 x 2.75 x 0.31 inches |
| 6.77 ounces | 4.59 ounces |
| Black, Blue, Red and White | Black, Blue, Red and White |
| -- | Polycarbonate |
| -- | Scratch-Resistant Glass |
| -- | $ 135.00 |
| Display / Screen | |
| 6.5 inches | 5 inches |
| 1600 x 720 pixels | 1080 x 1920 pixels (Full HD) |
| TFT | Super AMOLED |
| 270 pixels per inch | 441 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.2 | 9.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 600 APQ8064T chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Krait 300 (Quad-Core 1900 MHz) processor |
| 3 GB RAM | 2 GB (800 MHz) RAM |
| Mali-G76 GPU | Adreno 320 (400 MHz) GPU |
| 9.09 | 9 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 64 GB) external memory slot |
| 9.84 | 9.46 |
| Camera | |
| 48.00 MP + 13.00 MP | 13.00 MP + 2.00 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 2600mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 17 hours talk time |
| 6.8 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Galaxy S4 is slightly better than the Samsung Galaxy A21s, getting a 79 score against 77.7. These phones come with Android OS (Operating System), but the Galaxy S4 has 4.4 version while Samsung Galaxy A21s has Android 10. Despite of the fact that Galaxy S4 is way older than the Samsung Galaxy A21s, it's construction is notably lighter and somewhat thinner.
The Galaxy A21s features a bit better processing power than Galaxy S4, because although it has doesn't have an extra graphics processing unit, it also counts with 1 GB more RAM memory and a higher number of cores. Galaxy S4 features a lot better looking display than Samsung Galaxy A21s, because although it has a really smaller screen, it also counts with a lot better screen density and a better resolution of 1920 x 1080px.
The Samsung Galaxy A21s has just a bit bigger storage for applications, games, photos and videos than Galaxy S4, because although it has just 32 GB internal memory capacity, it also counts with a SD memory slot that allows up to 512 GB. Samsung Galaxy A21s counts with a superior battery performance than Samsung Galaxy S4, because it has a 5000mAh battery size.
Samsung Galaxy A21s counts with a superior camera than Galaxy S4, and although they both have the same 30 fps video frame rates and the same 1920x1080 (Full HD) video definition, the Samsung Galaxy A21s also has a larger diafragm aperture for better low light images and videos, a way larger sensor providing a way higher image quality and a much more mega-pixels camera in the back.
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