Compare phones
| Global Score | |
| 75.1 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11, 10 |
| -- | 2020-03-23 |
| -- | 6.26 x 2.96 x 0.35 inches |
| -- | 6.63 ounces |
| -- | Midnight blue and Raven black |
| Glass and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.5 | 8.4 |
| Performance | |
| Exynos 1480 (5 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Yes GPU | Mali-G72 MP3 GPU |
| 6.12 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.42 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.47 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Nano SIM, eSIM 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 Galaxy M21 has a global score of 84.1, which is better than the Samsung Galaxy A55 5G's 75.1 overall score. Both devices we are comparing here include Android operating system, but the Galaxy M21 has 11 version while Samsung Galaxy A55 5G has Android 14 version. The Galaxy M21 has a brighter display than Samsung Galaxy A55 5G, although it has a bit worse resolution of 1080 x 2340px, a quite smaller screen and a just a bit worse amount of pixels per inch of screen.
The Samsung Galaxy A55 5G features a way bigger storage capacity to install games and applications than Galaxy M21, because it has an external memory slot that admits up to 1 TB and 128 GB internal storage capacity. The Samsung Galaxy M21 features an extremely better processor than Galaxy A55 5G, although it has a lower amount of RAM, they both have a Octa-Core processing unit.
Samsung Galaxy M21 has improved battery performance than Galaxy A55 5G, because it has a 20% greater battery size. The Samsung Galaxy M21 has a greater camera than Galaxy A55 5G, although it has a less mega-pixels back-facing camera.
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