Compare phones
| Global Score | |
| 11.67 | 9.74 |
| Basic Information | |
| Samsung | Motorola |
| Android 11 | Android 9.0 Pie, 8.1 Oreo |
| 2021-01-29 | 2018-08-16 |
| 6.50 x 2.98 x 0.35 inches | 6.16 x 3.01 x 0.27 inches |
| 8.04 ounces | 5.50 ounces |
| Phantom black and Silver | 16 777 216 |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 297.00 |
| Display / Screen | |
| 6.8 inches | 6 inches |
| 3200 x 1440 pixels | 2160 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 402 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 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 |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.72 | 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 | |
| 108.00 MP + 40.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") 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 |
| 13.75 | 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 | |
| 5000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4 |
| Other Features | |
| Bluetooth 5.1 | 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 Samsung Galaxy S21 Ultra is better than the Moto Z3, getting a 11.67 score against 9.74. The Samsung Galaxy S21 Ultra is a newer cellphone than the Moto Z3, although it's a lot thicker and much heavier. These phones work with Android OS (operating system), but the Samsung Galaxy S21 Ultra has 11 version and Moto Z3 has Android 9.0 Pie.
The Samsung Galaxy S21 Ultra features a much more vibrant screen than Motorola Moto Z3, because it has a better resolution of 1440 x 3200 pixels, a bit larger screen and a higher pixel amount in each inch in the screen. Moto Z3 features a much greater memory capacity for applications and games than Galaxy S21 Ultra, because although it has just 64 GB internal memory capacity, it also counts with a SD card slot that supports a maximum of 1,95 TB.
Samsung Galaxy S21 Ultra features a bit better processing power than Moto Z3, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM memory. The Galaxy S21 Ultra takes much better videos and photos than Motorola Moto Z3, because it has a way more megapixels back-facing camera, a larger aperture, a much higher video resolution and a much larger camera sensor.
The Samsung Galaxy S21 Ultra features a really longer battery life than Motorola Moto Z3, because it has 5000mAh of battery capacity against 3000mAh.
Although Galaxy S21 Ultra is a better device, it costs a lot more than Motorola Moto Z3, and it doesn't have such a good price and quality relation as Motorola Moto Z3. So if you need that extra features, you can buy the Galaxy S21 Ultra, otherwise you can save some dollars and buy the Motorola Moto Z3, resigning a couple features and specifications.