Compare phones
| Global Score | |
| 85 | 76.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie | Android 10, 8.0 Oreo |
| 2019-06-18 | 2018-06-28 |
| 6.11 x 2.91 x 0.31 inches | 6.27 x 2.98 x 0.32 inches |
| 5.93 ounces | 6.24 ounces |
| Midnight blue and Seawater blue | Black, Blue, Gold and Pink |
| Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 6 inches |
| 2340 x 1080 pixels | 1480 x 720 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 274 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Qualcomm Snapdragon 450 SDM450 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 612 GPU | Adreno 506 GPU |
| 9.18 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 10.78 |
| Camera | |
| 32.00 MP + 16.00 MP | 16.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 10.78 | 9.46 |
| 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 and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 3500mAh Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M40 is much better than the Samsung Galaxy J8, having an 85 score against 76.7. The Samsung Galaxy M40 is a newer cellphone, and it's also just a bit lighter and a little bit thinner than Samsung Galaxy J8. These phones work with the same Android 10 OS (operating system). Galaxy M40 features a bit more powerful processing unit than Samsung Galaxy J8, and although they both have a Octa-Core CPU, the Galaxy M40 also has a larger amount of RAM memory.
The Galaxy M40 has a better screen than Samsung Galaxy J8, because it has a way higher resolution of 1080 x 2340 pixels, a higher pixel density and a bit larger display. Samsung Galaxy M40 has a much better camera than Samsung Galaxy J8, and although they both have the same sensor size and the same camera aperture, the Samsung Galaxy M40 also has a much better 32 mega-pixels resolution back camera and a lot better 3840x2160 video resolution.
The Samsung Galaxy M40 features a much better memory capacity to store more apps and games than Galaxy J8, because it has 64 GB more internal storage and a SD memory slot that holds up to 512 GB. Samsung Galaxy J8's battery performance is just as good as the battery lifetime in Galaxy M40.
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