Compare phones
| Global Score | |
| 76.1 | 82.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 14 |
| 2020-06-29 | -- |
| 6.61 x 3.02 x 0.32 inches | -- |
| 6.81 ounces | -- |
| Black | -- |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus 2) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 800.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 270 pixels per inch | 416 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.7 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | processor |
| 3 GB RAM | 8 GB RAM |
| PowerVR GE8320 GPU | Yes GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 50.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S25 has a score of 82.6, which is slightly better than Galaxy A21's 76.1 general score. Both of these phones use Android OS (Operating System), but the Samsung Galaxy S25 has the newer 14 version and Galaxy A21 has Android 10 version. Samsung Galaxy S25 is a incredibly thinner and a lot lighter phone than Galaxy A21.
Samsung Galaxy S25 features a lot better screen than Samsung Galaxy A21, because although it has a little smaller screen, it also counts with a way better 1080 x 2340 resolution and a lot greater pixel density. Samsung Galaxy A21 counts with a much better performing processor than Galaxy S25, although it has a lower amount of RAM memory, they both have 8 cpu cores.
Samsung Galaxy S25 captures way better photographs and videos than Galaxy A21, and although they both have a same size aperture, the Samsung Galaxy S25 also has a lot higher 50 mega pixels resolution back facing camera, a much higher 7680x4320 video definition and a way larger back camera sensor taking way better quality photographs and videos.
The Galaxy S25 counts with a little bit more memory for applications, games, photos and videos than Samsung Galaxy A21, because although it has no SD card slot, it also counts with 128 GB internal memory capacity. The Galaxy A21 and the Samsung Galaxy S25 have really similar batteries.
Although Galaxy S25 is a better device, it costs a lot more money than the Galaxy A21, and it doesn't have such a good quality/price relation as the Galaxy A21. So if you want that extra features and specs, you can buy the Galaxy S25, else you can save some money and buy the Galaxy A21, giving up some features and specs.
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