Compare phones
| Global Score | |
| 79.2 | 87.7 |
| Basic Information | |
| Motorola | Samsung |
| Android 15 | Android 10 |
| 2025-04-24 | 2020-09-11 |
| -- | 6.45 x 3.00 x 0.37 inches |
| 7.02 ounces | 7.51 ounces |
| -- | Black and White |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7 inches | 6.7 inches |
| -- | 2340 x 1080 pixels |
| LTPO | Super AMOLED Plus |
| -- | 385 pixels per inch |
| 4500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 5.5 | 8 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 16 GB RAM | 6 GB RAM |
| Adreno 830 GPU | Adreno 618 GPU |
| 6.3 | 9.27 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 14.14 |
| Camera | |
| 50.00 MP + 50.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | -- |
| 11.99 | 11.88 |
| 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 | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.56 | 8.32 |
| 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 |
| -- | FM Radio |
Comparison review
Samsung Galaxy M51 has an overall score of 87.7, which is better than Motorola Razr Ultra (2025)'s 79.2 global score. Both phones in this comparison review come with Android operating system, but Samsung Galaxy M51 has 10 version while Motorola Razr Ultra (2025) has Android 15. The Galaxy M51 has a much more powerful processor than Motorola Razr Ultra (2025), although it has lesser RAM memory, they both have 8 processing cores.
Galaxy M51 features a much better screen than Motorola Razr Ultra (2025), although it has a little bit smaller display. Motorola Razr Ultra (2025) takes slightly better pictures and videos than Galaxy M51, because although it has a back-facing camera with a way worse 50 mega-pixels resolution, and they both have the same aperture, the Motorola Razr Ultra (2025) also counts with a much higher 7680x4320 video definition.
Motorola Razr Ultra (2025) features a much bigger storage capacity for applications, games, photos and videos than Samsung Galaxy M51, because although it has no slot for an SD memory card, it also counts with 512 GB internal storage. Galaxy M51 has a superior battery performance than Motorola Razr Ultra (2025), because it has 7000mAh of battery capacity.
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