Compare phones
| Global Score | |
| 84.1 | 79.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 14 |
| 2020-03-23 | 2023-12-11 |
| 6.26 x 2.96 x 0.35 inches | 6.34 x 3.01 x 0.33 inches |
| 6.63 ounces | 6.95 ounces |
| Midnight blue and Raven black | Brave Black, Fantasy Blue, Optimistic Blue and Personality Yellow |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 396 pixels per inch |
| 420 cd/m2 brightness | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.8 |
| Performance | |
| Exynos 9611 chipset | Exynos 1280 (5 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Mali-G68 GPU |
| 9.27 | 6.12 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 11.74 | 15.42 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 11.11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G) and LTE (4G) |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 9.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M21 has a global score of 84.1, which is a little bit better than Samsung Galaxy A25 5G's overall score of 79.9. Although Galaxy M21 is way older and just a little thicker than Samsung Galaxy A25 5G, it's construction is still just a bit lighter. Both phones in our current comparison use Android OS, but the Galaxy M21 has 11 version while Samsung Galaxy A25 5G has Android 14.
Galaxy M21 counts with a much powerful CPU than Samsung Galaxy A25 5G, although it has 2 GB less RAM, they both have a Octa-Core CPU. The Samsung Galaxy A25 5G features a bit sharper display than Galaxy M21, because although it has a just a bit lower display density, and they both have exactly the same 1080 x 2340 pixels resolution, the Samsung Galaxy A25 5G also counts with a much brighter display and a bit bigger screen.
The Galaxy A25 5G has a much greater storage to install applications and games than Galaxy M21, because it has more internal memory capacity and a SD memory card expansion slot that admits up to 1 TB. Galaxy M21 counts with better battery performance than Galaxy A25 5G, because it has 6000mAh of battery capacity.
Samsung Galaxy M21 has a bit better camera than Galaxy A25 5G, because although it has a lower resolution back camera, a smaller diafragm aperture which is not favorable for low-light photography and video and a worse 3840x2160 (4K) video definition, it also counts with a lot larger back-facing camera sensor capturing lot higher quality photos.
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