Compare phones
| Global Score | |
| 91.8 | 77.6 |
| Basic Information | |
| Samsung | Motorola |
| Android 11 | Android 9.0 Pie, 8.1 Oreo |
| 2021-01-29 | 2018-08-16 |
| 5.97 x 2.80 x 0.31 inches | 6.16 x 3.01 x 0.27 inches |
| 6.03 ounces | 5.50 ounces |
| Gray, Phantom pink, Violet and White | 16 777 216 |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 297.00 |
| Display / Screen | |
| 6.2 inches | 6 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 402 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.63 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 1,95 TB) external memory slot |
| 10.1 | 14.66 |
| Camera | |
| 12.00 MP + 10.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.34 inches (1/2.9") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 10.78 | 9.57 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 is better than Moto Z3, with a global score of 91.8 against 77.6. Even though Galaxy S21 is extremely newer than the Moto Z3, it is thicker and just a little heavier. These phones work with Android operating system, but the Galaxy S21 has older 11 version and Moto Z3 has Android 9.0 Pie version.
The Samsung Galaxy S21 features a little bit better processing power than Motorola Moto Z3, and although they both have the same number of cores, the Samsung Galaxy S21 also has a greater amount of RAM memory. Samsung Galaxy S21 has a better looking screen than Moto Z3, because it has a little bigger display, a little greater display density and a slightly higher 1080 x 2400 pixels resolution.
The Galaxy S21 counts with a superior camera than Moto Z3, and although they both have a same resolution back facing camera, the Galaxy S21 also has a lot larger back camera sensor shooting way higher quality videos and pictures, a way better 7680x4320 video quality and a bigger aperture. Motorola Moto Z3 counts with a much bigger memory capacity to install games and applications than Galaxy S21, because although it has just 64 GB internal memory capacity, it also counts with a SD card slot that admits a maximum of 1,95 TB.
Galaxy S21 has longer battery lifetime than Motorola Moto Z3, because it has 4000mAh of battery capacity.
Samsung Galaxy S21 costs a lot more money than the Motorola Moto Z3, but you can get a better phone for that few extra dollars.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.