Compare phones
| Global Score | |
| 91.8 | 79.2 |
| Basic Information | |
| Samsung | Motorola |
| Android 11 | Android 15 |
| 2021-01-29 | 2025-04-24 |
| 5.97 x 2.80 x 0.31 inches | -- |
| 6.03 ounces | 7.02 ounces |
| Gray, Phantom pink, Violet and White | -- |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 7 inches |
| 2400 x 1080 pixels | -- |
| Dynamic AMOLED | LTPO |
| 424 pixels per inch | -- |
| 1300 cd/m2 brightness | 4500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 5.5 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 830 GPU |
| 9.63 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 12.00 MP + 10.00 MP | 50.00 MP + 50.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 3840 x 2160 (60 fps) (4K) slow motion video |
| 10.78 | 11.99 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 7.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| 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
Galaxy S21 has a global score of 91.8, which is better than the Motorola Razr Ultra (2025)'s overall score of 79.2. Both phones we are comparing include Android OS, but the Galaxy S21 has an older 11 version and Motorola Razr Ultra (2025) has Android 15. The Galaxy S21 has an extremely better CPU than Motorola Razr Ultra (2025), although it has 8 GB less RAM, they both have a Octa-Core processing unit.
Galaxy S21 features an incredibly better screen than Motorola Razr Ultra (2025), although it has a quite smaller display and a lot darker display. Motorola Razr Ultra (2025) counts with a lot bigger memory to store more apps and games than Samsung Galaxy S21, because it has 384 GB more internal memory.
Motorola Razr Ultra (2025) captures much clearer pictures and videos than Galaxy S21, and although they both have a F1.8 aperture and the same 7680x4320 video resolution, the Motorola Razr Ultra (2025) also has a way more mega-pixels back facing camera and faster video frame rates. The Motorola Razr Ultra (2025) has superior battery duration than Galaxy S21, because it has 4700mAh of battery capacity.
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