Compare phones
| Global Score | |
| 84.1 | 77.6 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-03-23 | 2018-08-16 |
| 6.26 x 2.96 x 0.35 inches | 6.16 x 3.01 x 0.27 inches |
| 6.63 ounces | 5.50 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 297.00 |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 402 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 540 GPU |
| 9.27 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 11.74 | 14.66 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 8.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") 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 | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 11.55 | 9.57 |
| 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 a bit better than Motorola Moto Z3, getting an 84.1 score against 77.6. Both of these devices work with Android OS, but the Samsung Galaxy M21 has the older 11 version and Motorola Moto Z3 has Android 9.0 Pie. Even though the Samsung Galaxy M21 is newer than the Motorola Moto Z3, it's heavier and thicker.
Galaxy M21 has a bit sharper screen than Moto Z3, because it has a bit higher quantity of pixels per screen inch, a little larger display and a quite better resolution of 1080 x 2340px. The Moto Z3 counts with a much greater storage for games and applications than Galaxy M21, and although they both have equal internal storage capacity, the Moto Z3 also has a slot for an SD memory card that allows a maximum of 1,95 TB.
The Moto Z3 has a bit superior processor than Galaxy M21. Both of them have 4 GB of RAM and a Octa-Core processing unit. The Samsung Galaxy M21 shoots much clearer photographs and videos than Motorola Moto Z3, and although they both have the same 3840x2160 video definition, the same video frame rates and the same camera aperture, the Samsung Galaxy M21 also has a much higher resolution back facing camera and a way bigger back camera sensor capturing more light and vivid colors.
Galaxy M21 features a very superior battery life than Moto Z3, because it has a 6000mAh battery size against 3000mAh.
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