Compare phones
| Global Score | |
| 84.1 | 77.4 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 14 |
| 2020-03-23 | 2023-12-16 |
| 6.26 x 2.96 x 0.35 inches | 6.30 x 3.02 x 0.33 inches |
| 6.63 ounces | 7.05 ounces |
| Midnight blue and Raven black | Blue Black and Light Blue |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 200.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 396 pixels per inch |
| 420 cd/m2 brightness | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.6 |
| Performance | |
| Exynos 9611 chipset | Mediatek Dimensity 6100+ (6 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G57 MC2 GPU |
| 9.27 | 6.03 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G) and LTE (4G) |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 9.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| 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 is slightly better than the Galaxy A15 5G, having a score of 84.1 against 77.4. Both of these phones have Android OS (Operating System), but Samsung Galaxy M21 has older 11 version while Galaxy A15 5G has Android 14. Despite of the fact the Samsung Galaxy M21 is noticeably older and a little bit thicker than the Galaxy A15 5G, it's design is still just a bit lighter.
Galaxy M21 features a much better performing processing unit than Galaxy A15 5G. Both of them have the same RAM amount and 8 CPU cores. Galaxy A15 5G has a little more vivid screen than Galaxy M21, because although it has a bit less pixels per display inch, and they both have exactly the same 1080 x 2340 resolution, the Galaxy A15 5G also counts with a little larger display and a lot brighter display.
The Galaxy A15 5G has a much greater memory for applications and games than Galaxy M21, because it has more internal storage capacity and an external memory slot that admits up to 1000 GB. Galaxy M21 features a superior camera than Galaxy A15 5G, because although it has a back-facing camera with lesser mega-pixels and a smaller aperture which is not recommended for taking photos and videos in poorly lited situations, it also counts with a much better 3840x2160 (4K) video resolution.
Samsung Galaxy M21 has longer battery life than Samsung Galaxy A15 5G, because it has 6000mAh of battery capacity.
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