Compare phones
| Global Score | |
| 87.7 | 90.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 14 |
| 2020-09-11 | -- |
| 6.45 x 3.00 x 0.37 inches | -- |
| 7.51 ounces | -- |
| Black and White | -- |
| Plastic and Plastic | Glass (Corning Gorilla Glass) and Titanium |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| 2340 x 1080 pixels | 3088 x 1440 pixels |
| Super AMOLED Plus | Dynamic AMOLED |
| 385 pixels per inch | 501 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 618 GPU | Yes GPU |
| 9.27 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 64.00 MP + 32.00 MP | 200.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.77 inches (1/1.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.88 | 14.74 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 | 10.6 |
| Battery Life | |
| 7000mAh Battery | 5000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| 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 S25 Ultra is slightly better than Galaxy M51, having a global score of 90.7 against 87.7. The Galaxy S25 Ultra body is extremely lighter and extremely thinner than Galaxy M51. These phones include Android OS (operating system), but Galaxy S25 Ultra has 14 version while Galaxy M51 has Android 10, so it counts with some additional features and performance improvements.
The Samsung Galaxy M51 counts with a much better performing processor than Galaxy S25 Ultra, although it has a lower amount of RAM memory, they both have 8 cores. Samsung Galaxy S25 Ultra counts with a way better display than Galaxy M51, because it has a higher 1440 x 3088 resolution, a higher pixels density and a quite larger screen.
Galaxy M51 features a slightly better memory capacity for applications and games than Samsung Galaxy S25 Ultra, because although it has less internal storage, it also counts with a SD card slot that admits up to 512 GB. The Samsung Galaxy M51 counts with a very superior battery life than Samsung Galaxy S25 Ultra, because it has a 7000mAh battery capacity instead of 5000mAh.
Galaxy S25 Ultra shoots greater photographs and videos than Samsung Galaxy M51, because it has a lot higher resolution back facing camera, a bigger diafragm aperture, a much better 7680x4320 video definition and a lot bigger camera sensor taking much higher quality pictures and videos.
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