Compare phones
| Global Score | |
| 84.1 | 77.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 13 |
| 2020-03-23 | -- |
| 6.26 x 2.96 x 0.35 inches | 5.75 x 2.78 x 0.30 inches |
| 6.63 ounces | -- |
| Midnight blue and Raven black | -- |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.1 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 422 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.6 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 740 GPU |
| 9.27 | 6.21 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | -- |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 10.12 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3900mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.84 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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
The Samsung Galaxy M21 has a global score of 84.1, which is slightly better than Samsung Galaxy S23's 77.9 general score. These devices work with Android OS, but the Samsung Galaxy M21 has older 11 version and Samsung Galaxy S23 has Android 13 version. Galaxy M21 counts with a better looking display than Galaxy S23, because although it has a little less pixels per screen inch, and they both have exactly the same resolution of 1080 x 2340, the Galaxy M21 also counts with a little bit larger display.
The Galaxy M21 has a greater memory capacity for applications and games than Galaxy S23, because although it has only 64 GB internal memory, it also counts with an external memory card slot that holds up to 512 GB. The Samsung Galaxy M21 has a much better performing processor than Samsung Galaxy S23, although it has 4 GB less RAM memory, they both have a Octa-Core CPU.
The Galaxy M21 takes much clearer photos and videos than Samsung Galaxy S23, although it has a lesser MP resolution back-facing camera, a way smaller sensor taking less light and washed colors and a tinier aperture. The Galaxy M21 features a really longer battery life than Galaxy S23, because it has a 54 percent greater battery capacity.
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