Compare phones
| Global Score | |
| 81.3 | 79.2 |
| Basic Information | |
| Samsung | Motorola |
| Android 10 | Android 15 |
| 2020-04-27 | 2025-04-24 |
| 6.27 x 2.88 x 0.34 inches | -- |
| 6.53 ounces | 7.02 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | -- |
| Plastic | -- |
| Display / Screen | |
| 6.4 inches | 7 inches |
| 2400 x 1080 pixels | -- |
| Super AMOLED | LTPO |
| 411 pixels per inch | -- |
| -- | 4500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 5.5 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali-G52 MC2 GPU | Adreno 830 GPU |
| 9.09 | 6.3 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 50.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 3840 x 2160 (60 fps) (4K) slow motion video |
| 10.89 | 11.99 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy A31 is slightly better than Motorola Razr Ultra (2025), getting an 81.3 score against 79.2. Both phones in this review include Android OS, but the Samsung Galaxy A31 has 10 version while Motorola Razr Ultra (2025) has Android 15 version. Galaxy A31 features a way better hardware performance than Motorola Razr Ultra (2025), although it has less RAM, they both have the same number of cores.
The Samsung Galaxy A31 has a much better screen than Motorola Razr Ultra (2025), although it has a quite smaller screen. The Motorola Razr Ultra (2025) features a much better camera than Galaxy A31, because it has a back camera with more mega-pixels, a much higher 7680x4320 video definition and a bigger diafragm aperture to take better low light captures.
Motorola Razr Ultra (2025) counts with a much greater memory capacity to store more games and applications than Samsung Galaxy A31, because although it has no slot for an external memory card, it also counts with 512 GB internal storage. The Galaxy A31 counts with just a little bit longer battery life than Motorola Razr Ultra (2025), because it has a 5000mAh battery size instead of 4700mAh.
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