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