Compare phones
| Global Score | |
| 87.7 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 10, 9.0 Pie |
| 2020-09-11 | 2019-06-18 |
| 6.45 x 3.00 x 0.37 inches | 6.11 x 2.91 x 0.31 inches |
| 7.51 ounces | 5.93 ounces |
| Black and White | Midnight blue and Seawater blue |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.3 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Adreno 612 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 64.00 MP + 32.00 MP | 32.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.88 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 7000mAh Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M51 is just a bit better than the Galaxy M40, getting a overall score of 87.7 against 85. These phones work with the same Android 10 OS, so they should offer identical OS features. Samsung Galaxy M51 is a newer cellphone than Galaxy M40, although it is way heavier and thicker. The Galaxy M40 features a little sharper screen than Samsung Galaxy M51, because although it has a quite smaller screen, and they both have an equal 1080 x 2340 pixels resolution, the Galaxy M40 also counts with a little higher screen pixels density.
The Galaxy M51 and the Samsung Galaxy M40 count with extremely similar storage capacity for applications, games, photos and videos, both have the same 128 GB internal storage capacity and a slot for an SD memory card that supports a maximum of 512 GB. Galaxy M51 has a bit faster processing unit than Samsung Galaxy M40. Both of them have 8 processing cores and a 6 GB RAM.
Samsung Galaxy M51 has a better camera than Galaxy M40, because although it has a smaller camera aperture which is not so good for low-light photography and videos, and they both have the same 3840x2160 video quality and the same 30 frames per second video frame rates, the Samsung Galaxy M51 also counts with a back-facing camera with lot more mega pixels and a lot larger sensor.
Galaxy M51 features a superior battery duration than Galaxy M40, because it has a 100% larger battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.