Compare phones
| Global Score | |
| 73.5 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android | Android 11, 10 |
| 2016-10-24 | 2020-03-23 |
| 5.97 x 2.95 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.89 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| -- | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP2 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 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 |
| 8.91 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 5.4 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | 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
Samsung Galaxy M21 has an overall score of 84.1, which is better than the Samsung Galaxy On Nxt's general score of 73.5. The Samsung Galaxy M21 body is incredibly newer than the Samsung Galaxy On Nxt's, although it's thicker and somewhat heavier. Samsung Galaxy M21 counts with Android 11 operating system, and Samsung Galaxy On Nxt counts with Android operating system.
Galaxy M21 counts with just a bit better looking display than Galaxy On Nxt, because it has a larger screen, a bit greater pixel amount in each inch of display and a slightly better resolution of 1080 x 2340 pixels. The Samsung Galaxy M21 counts with a bit faster CPU than Galaxy On Nxt, and although they both have the same number of cores, the Samsung Galaxy M21 also has more RAM memory.
The Galaxy M21 features a much better storage for applications, games, photos and videos than Galaxy On Nxt, because it has 32 GB more internal storage capacity and a SD extension slot that holds up to 512 GB. Samsung Galaxy M21 features a greater camera than Galaxy On Nxt, because although it has a smaller aperture which is not good for low-light images and video, it also counts with a much better 48 MP resolution back-facing camera and a lot higher (4K) video definition.
The Galaxy M21 has a superior battery duration than Samsung Galaxy On Nxt, because it has a 6000mAh battery capacity against 3300mAh.
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