Compare phones
| Global Score | |
| 73.2 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| -- | 2020-03-23 |
| 5.03 x 2.42 x 0.62 inches | 6.26 x 2.96 x 0.35 inches |
| 7.34 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 4.2 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 525 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Exynos 9611 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2150 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 530 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.35 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM, Dual SIM |
| 2.4 | 6.7 |
| Battery Life | |
| 2300mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.24 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 has a global score of 84.1, which is better than the Samsung W2017's 73.2 global score. The Galaxy M21 is a just a bit lighter and a lot thinner phone than Samsung W2017. Both phones in this comparison review work with Android OS, but the Galaxy M21 has the older 11 version while Samsung W2017 has Android 6.0 Marshmallow version.
Samsung W2017 features a little more vivid screen than Galaxy M21, because although it has a bit lower 1080 x 1920 pixels resolution and a lot smaller display, it also counts with more pixels per screen inch. The Galaxy M21 counts with a bit faster CPU than Samsung W2017, and although they both have a 4 GB RAM memory, the Galaxy M21 also has a greater number of faster cores.
The Samsung Galaxy M21 counts with a way better camera than Samsung W2017, because although it has a smaller diafragm aperture, and they both have the same 30 frames per second video frame rate and the same (4K) video quality, the Samsung Galaxy M21 also counts with a way higher resolution camera in the back.
The Galaxy M21 has slightly more storage capacity to install applications and games than Samsung W2017, and although they both have equal 64 GB internal memory capacity, the Galaxy M21 also has a SD extension slot that allows up to 512 GB. Galaxy M21 features a much longer battery duration than Samsung W2017, because it has 6000mAh of battery capacity.
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