Compare phones
| Global Score | |
| 73.5 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2019-02-05 | 2020-03-23 |
| 6.13 x 2.98 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 5.75 ounces | 6.63 ounces |
| Black and Blue | Midnight blue and Raven black |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 1520 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 271 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 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 |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 has a score of 84.1, which is better than the Samsung Galaxy M10's global score of 73.5. Even though the Galaxy M21 is newer than the Samsung Galaxy M10, it is somewhat thicker and heavier. These phones include Android OS, but Galaxy M21 has 11 version while Samsung Galaxy M10 has Android 9.0 Pie.
The Samsung Galaxy M21 has a much better looking screen than Samsung Galaxy M10, because it has a little bigger display, a much higher 1080 x 2340 pixels resolution and a greater quantity of pixels per display inch. The Samsung Galaxy M21 counts with a bigger storage capacity to store more games and applications than Samsung Galaxy M10, and although they both have a SD memory card expansion slot that admits up to 512 GB, the Samsung Galaxy M21 also has 64 GB internal memory.
Galaxy M21 features a bit better hardware performance than Galaxy M10, and although they both have 8 cpu cores, the Galaxy M21 also has a greater amount of RAM. The Samsung Galaxy M21 has a very superior battery duration than Galaxy M10, because it has 6000mAh of battery capacity against 3400mAh. The Galaxy M21 features a much better camera than Samsung Galaxy M10, because although it has a smaller diafragm aperture, it also counts with a lot bigger sensor, a way better 48 mega pixels resolution back camera and a much better (4K) video definition.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.