Compare phones
| Global Score | |
| 77.4 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11, 10 |
| 2023-12-16 | 2020-03-23 |
| 6.30 x 3.02 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 7.05 ounces | 6.63 ounces |
| Blue Black and Light Blue | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 200.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 396 pixels per inch | 403 pixels per inch |
| 800 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Mediatek Dimensity 6100+ (6 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G57 MC2 GPU | Mali-G72 MP3 GPU |
| 6.03 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 11.74 |
| Camera | |
| 50.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.45 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 9.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 has an overall score of 84.1, which is just a bit better than the Samsung Galaxy A15 5G's global score of 77.4. Despite of the fact the Samsung Galaxy M21 is older and just a little thicker than Samsung Galaxy A15 5G, it's construction is still a bit lighter. These devices have Android operating system, but the Samsung Galaxy M21 has older 11 version while Samsung Galaxy A15 5G has Android 14.
Galaxy M21 has a really superior performance than Galaxy A15 5G. Both of them have 4 GB of RAM memory and a Octa-Core processor. The Galaxy A15 5G features just a bit better screen than Galaxy M21, because although it has a just a bit worse display pixels density, and they both have an equal resolution of 1080 x 2340px, the Galaxy A15 5G also counts with much more brightness and a quite bigger screen.
Galaxy M21 counts with a superior camera than Galaxy A15 5G, because although it has a smaller aperture and a camera in the back with a worse 48 mega pixels resolution, it also counts with a way better 3840x2160 (4K) video quality. Galaxy A15 5G has a way bigger storage to store more games and applications than Galaxy M21, because it has 64 GB more internal storage capacity and an external SD slot that allows up to 1000 GB.
The Galaxy M21 counts with better battery life than Samsung Galaxy A15 5G, because it has 6000mAh of battery capacity.
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