Compare phones
| Global Score | |
| 74.4 | 84.1 |
| Basic Information | |
| Motorola | Samsung |
| Android 10 | Android 11, 10 |
| 2020-03-05 | 2020-03-23 |
| 6.35 x 2.98 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 6.64 ounces | 6.63 ounces |
| Neon blue and Pearl white | Midnight blue and Raven black |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 237.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 268 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 665 SM6125 chipset | Exynos 9611 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 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 610 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 16.00 MP + 8.00 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 (60 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 has an overall score of 84.1, which is much better than Moto G8's overall score of 74.4. Both phones in our current comparison work with Android OS (Operating System), but the Galaxy M21 has a more recent 11 version and Moto G8 has Android 10 version. Galaxy M21's construction has the same thickness than the Moto G8, but it's a little bit lighter.
The Samsung Galaxy M21 counts with a better looking display than Moto G8, and although they both have a screen of the same size, the Samsung Galaxy M21 also has a lot greater screen density and a lot higher resolution of 1080 x 2340px. Samsung Galaxy M21 has as much memory for applications, games, photos and videos as the Moto G8 one, both of them have a SD memory slot that supports up to 512 GB and exactly the same internal storage.
The Samsung Galaxy M21 has a little bit better processing power than Moto G8. Both have the same number of cores and a 4 GB RAM memory. The Samsung Galaxy M21 takes better photographs and videos than Moto G8, because although it has a tinier aperture, and they both have the same video frame rates and the same 3840x2160 (4K) video definition, the Samsung Galaxy M21 also counts with a back-facing camera with lot more mega-pixels.
Galaxy M21 has a much better battery lifetime than Moto G8, because it has 6000mAh of battery capacity instead of 4000mAh.
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