Compare phones
| Global Score | |
| 90.7 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 10 |
| -- | 2020-09-11 |
| -- | 6.45 x 3.00 x 0.37 inches |
| -- | 7.51 ounces |
| -- | Black and White |
| Glass (Corning Gorilla Glass) and Titanium | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3088 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED Plus |
| 501 pixels per inch | 385 pixels per inch |
| 2600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Yes GPU | Adreno 618 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 200.00 MP + 12.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.77 inches (1/1.3") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 14.74 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 8.32 |
| Other Features | |
| Bluetooth 5.3 | 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
Galaxy S25 Ultra has an overall score of 90.7, which is a little bit better than Samsung Galaxy M51's general score of 87.7. The Galaxy S25 Ultra body is much lighter and much thinner than the Samsung Galaxy M51. Both phones in this review have Android OS (operating system), but the Galaxy S25 Ultra has the newer 14 version while Samsung Galaxy M51 has Android 10.
The Galaxy S25 Ultra has a way better screen than Galaxy M51, because it has a little bigger screen, a higher resolution of 1440 x 3088 pixels and more pixels per inch of screen. The Galaxy M51 has a much faster CPU than Samsung Galaxy S25 Ultra, although it has lesser RAM, they both have a Octa-Core processor.
Galaxy S25 Ultra counts with a way better camera than Samsung Galaxy M51, because it has a back facing camera with much more MP, a larger camera aperture to capture better low-light captures, a much higher video quality and a much larger camera sensor taking more light and vivid colors. Samsung Galaxy M51 features a little bit better storage capacity to install applications and games than Samsung Galaxy S25 Ultra, because although it has only 128 GB internal memory, it also counts with a slot for external memory cards that allows a maximum of 512 GB.
Samsung Galaxy M51 counts with a way better battery performance than Samsung Galaxy S25 Ultra, because it has 7000mAh of battery capacity against 5000mAh.
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