Compare phones
| Global Score | |
| 84.1 | 82.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 13 |
| 2020-03-23 | -- |
| 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 | |
| 6.4 inches | 6.6 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 399 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Mediatek Dimensity 1080 MT6877V (6 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Octa-Core 2600 MHz processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G68 MC4 GPU |
| 9.27 | 9.45 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 7.7 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 | -- |
| 11.55 | 9.9 |
| 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 | 5000mAh Dual Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| 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 Galaxy M21 is slightly better than Galaxy A34, with an 84.1 score against 82.9. Both phones in this comparison review include Android OS (Operating System), but Galaxy M21 has older 11 version while Galaxy A34 has Android 13 version. The Samsung Galaxy M21 counts with a little sharper display than Samsung Galaxy A34, because although it has a bit smaller display and a little bit worse resolution of 1080 x 2340, it also counts with a just a little more pixels per inch of screen.
The Galaxy M21 features a superior storage to store more games and applications than Galaxy A34, and although they both have the same internal memory, the Galaxy M21 also has a slot for an external memory card that supports a maximum of 512 GB. Galaxy A34 has a bit better CPU than Galaxy M21. They have the same number of cores and the same RAM amount.
Samsung Galaxy M21 captures much better photos and videos than Galaxy A34, although it has a tinier camera aperture, they both have the same resolution back facing camera and the same sensor size. Galaxy M21 features greater battery lifetime than Samsung Galaxy A34, because it has a 20% larger battery size.
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