Compare phones
| Global Score | |
| 98.1 | 79.8 |
| Basic Information | |
| Samsung | Motorola |
| Android 11 | Android 10, 9.0 Pie |
| 2021-01-29 | 2019-06-06 |
| 6.50 x 2.98 x 0.35 inches | 6.22 x 2.95 x 0.29 inches |
| 8.04 ounces | 5.82 ounces |
| Phantom black and Silver | Gray and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 500.00 |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 516 pixels per inch | 403 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 675 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 612 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 108.00 MP + 40.00 MP | 48.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") 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 (120 fps) (Full HD) slow motion video |
| 13.75 | 11.55 |
| 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 and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3600mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.6 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra has an overall score of 98.1, which is a lot better than the Moto Z4's general score of 79.8. These phones have Android OS (Operating System), but the Samsung Galaxy S21 Ultra has a more recent 11 version and Moto Z4 has Android 10, providing the user some additional features. The Samsung Galaxy S21 Ultra design is newer than Moto Z4's, but it's notably heavier and somewhat thicker.
Samsung Galaxy S21 Ultra counts with a lot better looking screen than Moto Z4, because it has a higher pixels number in each inch of screen, a little larger display and a better resolution of 1440 x 3200 pixels. Galaxy S21 Ultra has a little better hardware performance than Motorola Moto Z4, and although they both have 8 processing cores, the Galaxy S21 Ultra also has 8 GB more RAM memory.
Samsung Galaxy S21 Ultra captures much clearer photos and videos than Motorola Moto Z4, because although it has a tinier diafragm aperture which is not good for low-light photography, it also counts with a way better video definition, a lot higher resolution back facing camera and a lot larger back camera sensor.
The Motorola Moto Z4 counts with a much greater memory capacity to install games and applications than Samsung Galaxy S21 Ultra, and although they both have the same 128 GB internal storage capacity, the Motorola Moto Z4 also has a slot for external memory cards that admits a maximum of 512 GB. The Galaxy S21 Ultra has a very superior battery lifetime than Motorola Moto Z4, because it has 5000mAh of battery capacity.
Galaxy S21 Ultra is way more expensive than the Moto Z4, but it's still a great choice, because you can get a lot more features for that extra money.
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