Compare phones
| Global Score | |
| 85.5 | 79.2 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | Android 15 |
| 2019-12-27 | 2025-04-24 |
| 6.24 x 2.90 x 0.31 inches | -- |
| 6.07 ounces | 7.02 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | -- |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 7 inches |
| 2400 x 1080 pixels | -- |
| Super AMOLED | LTPO |
| 405 pixels per inch | -- |
| -- | 4500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 5.5 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali-G72 MP3 GPU | Adreno 830 GPU |
| 9.27 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 17.6 |
| Camera | |
| 48.00 MP + 32.00 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 | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 3840 x 2160 (60 fps) (4K) slow motion video |
| 11.55 | 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 | |
| 4000mAh Li - Polymer Battery | 4700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 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, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A51 is slightly better than Motorola Razr Ultra (2025), with a overall score of 85.5 against 79.2. These phones have Android OS, but the Galaxy A51 has the previous 11 version while Motorola Razr Ultra (2025) has Android 15. The Samsung Galaxy A51 counts with a much sharper screen than Motorola Razr Ultra (2025), although it has a little bit smaller display.
Galaxy A51 counts with a much greater hardware performance than Motorola Razr Ultra (2025), although it has a lower amount of RAM memory, they both have 8 CPU cores. Motorola Razr Ultra (2025) features a superior storage capacity for games and applications than Samsung Galaxy A51, because although it has no slot for SD memory cards, it also counts with 512 GB internal storage capacity.
Motorola Razr Ultra (2025) features a little bit better camera than Galaxy A51, because it has a bigger aperture to capture better low-light images and videos, a way better 7680x4320 video quality and a back camera with a better 50 mega-pixels resolution. The Motorola Razr Ultra (2025) counts with better battery duration than Galaxy A51, because it has a 4700mAh battery size instead of 4000mAh.
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