Compare phones
| Global Score | |
| 77.6 | 84.1 |
| Basic Information | |
| Motorola | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2018-08-16 | 2020-03-23 |
| 6.16 x 3.01 x 0.27 inches | 6.26 x 2.96 x 0.35 inches |
| 5.50 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 297.00 | -- |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 402 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Exynos 9611 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 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 540 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 11.74 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.34 inches (1/2.9") sensor | 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 |
| 9.57 | 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 | |
| 3000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 has a score of 84.1, which is just a bit better than Moto Z3's 77.6 overall score. These phones have Android OS (Operating System), but Samsung Galaxy M21 has the older 11 version and Moto Z3 has Android 9.0 Pie version. The Samsung Galaxy M21 construction is newer than the Moto Z3's, although it's heavier and way thicker.
Motorola Moto Z3 features a little better processing power than Galaxy M21. Both have the same RAM memory amount and the same number of cores. The Samsung Galaxy M21 features a bit better looking screen than Motorola Moto Z3, because it has a little bit bigger display, a just a little higher display density and a slightly higher resolution of 1080 x 2340px.
The Galaxy M21 features a very superior camera than Moto Z3, and although they both have the same 30 frames per second video frame rates, the same video definition and a F2 aperture, the Galaxy M21 also has a way bigger camera sensor taking more light and vivid colors and a much better 48 MP resolution back facing camera.
The Moto Z3 counts with a lot bigger storage capacity to install games and applications than Samsung Galaxy M21, and although they both have equal 64 GB internal memory capacity, the Moto Z3 also has a slot for an SD memory card that admits up to 1,95 TB. Galaxy M21 has a way better battery life than Motorola Moto Z3, because it has a 100 percent more battery size.
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