Compare phones
| Global Score | |
| 77.9 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 13 | Android 11, 10 |
| -- | 2020-03-23 |
| 5.75 x 2.78 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| -- | 6.63 ounces |
| -- | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 422 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 740 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 50.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.12 | 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 | |
| 3900mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.84 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | 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
Galaxy M21 is a bit better than the Galaxy S23, having an 84.1 score against 77.9. These devices use Android operating system, but the Galaxy M21 has an older 11 version and Galaxy S23 has Android 13 version. The Samsung Galaxy M21 has a lot better processing power than Galaxy S23, although it has 4 GB lesser RAM memory, they both have 8 CPU cores.
Galaxy M21 has a brighter display than Galaxy S23, because although it has a just a little less pixels per inch in the display, and they both have the same 1080 x 2340 pixels resolution, the Galaxy M21 also counts with a bit larger screen. The Galaxy M21 counts with a quite bigger memory capacity to store more apps and games than Samsung Galaxy S23, because although it has just 64 GB internal storage capacity, it also counts with a slot for external memory cards that allows a maximum of 512 GB.
The Galaxy M21 has a superior battery lifetime than Samsung Galaxy S23, because it has a 54% greater battery capacity. Galaxy M21 has a better camera than Samsung Galaxy S23, although it has a tinier aperture which is not so good for capturing images or video in poorly lited situations, a way smaller back camera sensor offering a lot worse image quality and a camera with lesser megapixels resolution.
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