Compare phones
| Global Score | |
| 79.2 | 91.8 |
| Basic Information | |
| Motorola | Samsung |
| Android 15 | Android 11 |
| 2025-04-24 | 2021-01-29 |
| -- | 5.97 x 2.80 x 0.31 inches |
| 7.02 ounces | 6.03 ounces |
| -- | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 7 inches | 6.2 inches |
| -- | 2400 x 1080 pixels |
| LTPO | Dynamic AMOLED |
| -- | 424 pixels per inch |
| 4500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 5.5 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 16 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 660 GPU |
| 6.3 | 9.63 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 50.00 MP + 50.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.99 | 10.78 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7.6 | 10.7 |
| Battery Life | |
| 4700mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.56 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 is much better than Motorola Razr Ultra (2025), with a 91.8 score against 79.2. Both phones in this review have Android OS (operating system), but Samsung Galaxy S21 has the older 11 version while Motorola Razr Ultra (2025) has Android 15 version. The Galaxy S21 has a much more vibrant screen than Motorola Razr Ultra (2025), although it has a bit smaller display and much less brightness.
Galaxy S21 has an extremely better CPU than Motorola Razr Ultra (2025), although it has a lower amount of RAM memory, they both have the same number of cores. The Motorola Razr Ultra (2025) features much more memory to install applications and games than Galaxy S21, because it has 384 GB more internal memory.
The Motorola Razr Ultra (2025) has longer battery performance than Samsung Galaxy S21, because it has 4700mAh of battery capacity. The Motorola Razr Ultra (2025) takes much clearer videos and photos than Samsung Galaxy S21, and although they both have the same 7680x4320 video definition and a same size diafragm aperture, the Motorola Razr Ultra (2025) also has a much higher resolution back facing camera and faster video frame rate.
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