| Global Score | |
| 79.2 | 98.1 |
| Basic Information | |
| Motorola | Samsung |
| Android 15 | Android 11 |
| 2025-04-24 | 2021-01-29 |
| -- | 6.50 x 2.98 x 0.35 inches |
| 7.02 ounces | 8.04 ounces |
| -- | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 7 inches | 6.8 inches |
| -- | 3200 x 1440 pixels |
| LTPO | Dynamic AMOLED |
| -- | 516 pixels per inch |
| 4500 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 5.5 | 9.8 |
| 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 | 12 GB RAM |
| Adreno 830 GPU | Adreno 660 GPU |
| 6.3 | 9.72 |
| 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 | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") 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 | 13.75 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.56 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.1 |
| 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 |
Galaxy S21 Ultra is much better than the Motorola Razr Ultra (2025), having a general score of 98.1 against 79.2. Both phones in this comparison review work with Android OS, but Galaxy S21 Ultra has an older 11 version while Motorola Razr Ultra (2025) has Android 15 version. The Galaxy S21 Ultra features a lot better performance than Motorola Razr Ultra (2025), although it has lesser RAM memory, they both have 8 cores.
Samsung Galaxy S21 Ultra counts with an incredibly better looking screen than Motorola Razr Ultra (2025), although it has much more opaque screen and a bit smaller screen. The Galaxy S21 Ultra has a better camera than Motorola Razr Ultra (2025), because although it has slower video frame rate, and they both have the same camera aperture and the same video definition, the Galaxy S21 Ultra also counts with a way higher 108 mega-pixels resolution camera in the back.
The Motorola Razr Ultra (2025) has a way bigger memory to store more apps and games than Samsung Galaxy S21 Ultra, because it has 512 GB internal memory. Galaxy S21 Ultra counts with a bit superior battery life than Motorola Razr Ultra (2025), because it has a 6% greater battery size.
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