Compare phones
| Global Score | |
| 82.6 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 10 |
| -- | 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 | |
| 6.2 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Dynamic AMOLED | TFT |
| 416 pixels per inch | 270 pixels per inch |
| 2600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Yes GPU | Mali-G76 GPU |
| 6.21 | 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 | |
| 50.00 MP + 12.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.54 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Samsung Galaxy S25 has a score of 82.6, which is just a bit better than the Galaxy A21s's 77.7 global score. Samsung Galaxy S25 is a much lighter and much thinner device than Galaxy A21s. Both devices in this comparison review include Android OS (Operating System), but the Samsung Galaxy S25 has a more recent 14 version and Galaxy A21s has Android 10 version, providing lots of additional features.
The Galaxy S25 features a lot better looking screen than Samsung Galaxy A21s, because although it has a little bit smaller display, it also counts with a lot better 1080 x 2340 resolution and a lot higher pixel amount per display inch. The Galaxy S25 counts with a bit bigger memory capacity for applications, games, photos and videos than Galaxy A21s, because although it has no external memory slot, it also counts with 128 GB internal memory.
Galaxy A21s counts with a much faster CPU than Galaxy S25, although it has 5 GB lesser RAM memory, they both have the same number of cores. The Galaxy S25 counts with a much better camera than Galaxy A21s, because it has a much higher video definition, a more MP back camera, a larger aperture to take better images in low light environments and a way bigger sensor capturing lot higher quality videos and pictures.
Samsung Galaxy A21s features longer battery life than Galaxy S25, because it has a 5000mAh battery capacity instead of 4000mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.