Compare phones
| Global Score | |
| 90.8 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10, 9.0 Pie |
| 2020-04-29 | 2019-06-18 |
| 6.26 x 2.90 x 0.34 inches | 6.11 x 2.91 x 0.31 inches |
| 6.60 ounces | 5.93 ounces |
| Prism cube black | Midnight blue and Seawater blue |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 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 |
| Mali-G76 MP5 GPU | Adreno 612 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 32.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") 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 (480 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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
Samsung Galaxy A51 5G has an overall score of 90.8, which is a bit better than Galaxy M40's 85 score. The Samsung Galaxy A51 5G construction is newer, but just a little bit thicker and somewhat heavier than the Galaxy M40. Both of these phones include Android OS (Operating System), but Samsung Galaxy A51 5G has a newer 11 version and Galaxy M40 has Android 10, so it counts with some additional features and improved performance.
Samsung Galaxy M40 and Samsung Galaxy A51 5G both have incredibly similar screens, because although the Samsung Galaxy M40 has a quite lower resolution of 1080 x 2340 pixels and a little smaller display, it also counts with a bit better pixels density. Galaxy A51 5G counts with a little better hardware performance than Galaxy M40. Both have 8 processing cores and the same RAM memory amount.
Samsung Galaxy A51 5G features a slightly better storage capacity for apps and games than Samsung Galaxy M40, and although they both have the same 128 GB internal memory capacity, the Samsung Galaxy A51 5G also has an external memory card slot that holds a maximum of 1000 GB. Samsung Galaxy A51 5G captures a bit better pictures and videos than Galaxy M40, because although it has a tinier camera aperture which is not recommended for low light captures and video, and they both have the same 30 frames per second video frame rate and the same video quality, the Samsung Galaxy A51 5G also counts with a camera in the back with lot more megapixels and a lot larger camera sensor providing a lot better image quality.
The Galaxy A51 5G counts with improved battery lifetime than Galaxy M40, because it has a 29 percent greater battery size.
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