Compare phones
| Global Score | |
| 84.1 | 82.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 14 |
| 2020-03-23 | -- |
| 6.26 x 2.96 x 0.35 inches | -- |
| 6.63 ounces | -- |
| Midnight blue and Raven black | -- |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus 2) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 800.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 416 pixels per inch |
| 420 cd/m2 brightness | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.7 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Yes GPU |
| 9.27 | 6.21 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.55 | 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 | |
| 6000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 is a bit better than the Galaxy S25, with a global score of 84.1 against 82.6. Both of these phones come with Android OS (operating system), but the Galaxy M21 has the previous 11 version and Galaxy S25 has Android 14 version. The Galaxy S25 features a better looking screen than Galaxy M21, because although it has a bit smaller screen, and they both have the same 1080 x 2340 resolution, the Galaxy S25 also counts with a just a little higher display pixel density and much more screen brightness.
The Galaxy M21 features a lot better hardware performance than Galaxy S25, although it has lesser RAM memory, they both have a Octa-Core CPU. The Galaxy M21 has a better memory to store more apps and games than Samsung Galaxy S25, because although it has less internal storage capacity, it also counts with a SD memory slot that holds up to 512 GB.
The Samsung Galaxy S25 features a little bit better camera than Galaxy M21, because it has a much better video resolution, a better resolution back facing camera, a bigger aperture to take better low light captures and a lot bigger sensor capturing lot higher quality photographs. The Galaxy M21 features a superior battery performance than Galaxy S25, because it has a 6000mAh battery size against 4000mAh.
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