Compare phones
| Global Score | |
| 73.5 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 10, 9.0 Pie |
| 2017-07-01 | 2019-06-18 |
| 6.00 x 2.94 x 0.31 inches | 6.11 x 2.91 x 0.31 inches |
| 6.38 ounces | 5.93 ounces |
| Black, Gold, Rose gold and Silver | Midnight blue and Seawater blue |
| Aluminum | Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 401 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP2 GPU | Adreno 612 GPU |
| 8.73 | 9.18 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 14.14 |
| Camera | |
| 13.00 MP + 13.00 MP | 32.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.02 | 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 | |
| 3600mAh Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 5.44 |
| Other Features | |
| Bluetooth 4.1 | 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 Galaxy M40 has a score of 85, which is better than the Samsung Galaxy J7 (2017)'s 73.5 score. These phones come with Android OS (operating system), but the Galaxy M40 has 10 version and Samsung Galaxy J7 (2017) has Android 9.0 Pie. The Galaxy M40 construction has the same thickness than Samsung Galaxy J7 (2017), but it is just a bit lighter.
Samsung Galaxy M40 has a little bit better hardware performance than Samsung Galaxy J7 (2017), and although they both have the same number of cores, the Samsung Galaxy M40 also has a larger amount of RAM memory. The Galaxy M40 counts with a little sharper display than Samsung Galaxy J7 (2017), because it has a little better screen pixels density, a slightly higher resolution of 1080 x 2340 and a bit larger screen.
The Samsung Galaxy M40 takes much clearer pictures and videos than Galaxy J7 (2017), and although they both have the same camera aperture, the Samsung Galaxy M40 also has a much better 32 megapixels resolution back facing camera and a much better (4K) video definition. Galaxy M40 has a much better memory capacity to store more apps and games than Samsung Galaxy J7 (2017), because it has a SD memory card expansion slot that supports up to 512 GB and 128 GB internal storage.
The Galaxy J7 (2017) has just a bit longer battery lifetime than Galaxy M40, because it has a 3600mAh battery size.
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