Compare phones
| Global Score | |
| 72.6 | 77.7 |
| Basic Information | |
| Samsung | |
| Android 10 | Android 10 |
| 2020-06-02 | 2020-06-19 |
| 6.45 x 2.98 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 7.13 ounces | 6.77 ounces |
| Arctic white and Glacier blue | Black, Blue, Red and White |
| Glass and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 380.00 | -- |
| Display / Screen | |
| 6.6 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 399 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 12.54 | 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 | |
| 4200mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.08 | 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 |
Comparison review
Galaxy A21s is slightly better than the realme X3 SuperZoom, having a score of 77.7 against 72.6. Galaxy A21s is a a little bit lighter phone than realme X3 SuperZoom, but both of them have the same thickness. Both phones we are comparing include the same Android 10 operating system, so both should give you all the same OS features.
The realme X3 SuperZoom features a little faster processor than Galaxy A21s, and although they both have the same number of cores, the realme X3 SuperZoom also has 5 GB more RAM. The realme X3 SuperZoom has a brighter screen than Samsung Galaxy A21s, because it has a better screen density, a much higher resolution of 1080 x 2400px and a little bit larger screen.
The realme X3 SuperZoom counts with a better camera than Samsung Galaxy A21s, because it has a way better 3840x2160 (4K) video resolution, a bigger sensor capturing more light and vivid colors, a larger diafragm aperture to capture better captures and videos in poorly lited situations and a back camera with a lot better resolution.
Realme X3 SuperZoom features a slightly better memory for apps and games than Galaxy A21s, because although it has no SD memory slot, it also counts with 128 GB internal storage. The Galaxy A21s features longer battery life than realme X3 SuperZoom, because it has a 19 percent more battery size.
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