Compare phones
| Global Score | |
| 74 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11, 10 |
| 2021-08-18 | 2020-03-23 |
| 6.46 x 2.99 x 0.36 inches | 6.26 x 2.96 x 0.35 inches |
| 6.91 ounces | 6.63 ounces |
| Black and Blue. White | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.4 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Exynos 9611 chipset |
| Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 11.74 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.8 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 is much better than the Galaxy A03s, having an 84.1 score against 74. These phones have the same Android 11 OS (Operating System), so both should provide the user the same OS features. Despite of the fact that Samsung Galaxy M21 is older than the Galaxy A03s, it's design is a bit thinner and a little bit lighter.
The Galaxy M21 features a better looking display than Samsung Galaxy A03s, because although it has a quite smaller screen, it also counts with a way better resolution of 1080 x 2340 and more pixels per screen inch. Galaxy A03s and Galaxy M21 feature really similar CPUs, and although the Galaxy M21 has a larger amount of RAM, they both have 8 cpu cores.
Samsung Galaxy M21 counts with a way bigger memory to install applications and games than Samsung Galaxy A03s, because it has a slot for an external memory card that allows up to 512 GB and 64 GB internal memory capacity. The Samsung Galaxy M21 counts with greater battery life than Galaxy A03s, because it has a 20% larger battery size.
Samsung Galaxy M21 captures much clearer videos and photos than Galaxy A03s, because it has a back-facing camera with much more mega-pixels, a bigger camera aperture to take better captures and video in low-light situations and a way higher 3840x2160 (4K) video resolution.
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