Compare phones
| Global Score | |
| 77.7 | 82.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 14 |
| 2020-06-19 | -- |
| 6.44 x 2.96 x 0.35 inches | -- |
| 6.77 ounces | -- |
| Black, Blue, Red and White | -- |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus 2) |
| -- | Scratch-Resistant Glass |
| -- | $ 800.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| TFT | Dynamic AMOLED |
| 270 pixels per inch | 416 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.7 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Yes GPU |
| 9.09 | 6.21 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 12.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy S25 has a general score of 82.6, which is a little bit better than the Galaxy A21s's 77.7 overall score. These phones have Android OS, but Galaxy S25 has 14 version while Galaxy A21s has Android 10 version. The Galaxy S25 design is much thinner and noticeably lighter than Galaxy A21s. Galaxy A21s counts with a way better processing power than Galaxy S25, although it has a lower amount of RAM, they both have 8 processing cores.
Galaxy S25 has a way better display than Galaxy A21s, because although it has a bit smaller screen, it also counts with a way higher resolution of 1080 x 2340px and a lot greater display pixel density. The Galaxy S25 takes much clearer videos and photos than Galaxy A21s, because it has a back-facing camera with more MP, a larger aperture for better low-light captures and videos, a lot higher 7680x4320 video quality and a lot bigger camera sensor providing a much better image quality.
The Samsung Galaxy S25 features a slightly better storage for apps and games than Galaxy A21s, because although it has no SD card slot, it also counts with 96 GB more internal memory. The Galaxy A21s has longer battery performance than Samsung Galaxy S25, because it has 5000mAh of battery capacity against 4000mAh.
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