Compare phones
| Global Score | |
| 73.5 | 78.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 10, 9.0 Pie, 8.1 Oreo |
| 2017-07-01 | 2019-02-05 |
| 6.00 x 2.94 x 0.31 inches | 6.16 x 2.93 x 0.35 inches |
| 6.38 ounces | 6.56 ounces |
| Black, Gold, Rose gold and Silver | Charcoal black and Ocean blue |
| Aluminum | Plastic and Plastic |
| 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 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 7 Octa 7904 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP2 GPU | Mali-G71 MP2 GPU |
| 8.73 | 8.91 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 11.74 |
| Camera | |
| 13.00 MP + 13.00 MP | 13.00 MP + 8.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| -- | 12.00mm focal length |
| -- | 0.32 inches (1/3.1") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 9.02 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.8 |
| 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 Samsung Galaxy M20 has an overall score of 78.9, which is just a bit better than the Galaxy J7 (2017)'s score of 73.5. Samsung Galaxy M20's body is newer than Galaxy J7 (2017)'s, although it's just a bit heavier and thicker. Both devices we compare here come with Android OS (operating system), but Samsung Galaxy M20 has older 10 version and Galaxy J7 (2017) has Android 9.0 Pie.
Galaxy M20 features a bit superior processing unit than Galaxy J7 (2017), and although they both have a Octa-Core processor, the Galaxy M20 also has a larger amount of RAM. The Galaxy M20 has a little more vivid screen than Galaxy J7 (2017), because it has a quite bigger display, a just a little greater screen pixels density and a bit higher 1080 x 2340 pixels resolution.
The Galaxy M20 and Samsung Galaxy J7 (2017) feature very similar cameras, and although the Galaxy M20 has a tinier aperture, they both have a back camera with a 13 mega-pixels, the same 30 fps video frame rate and the same (Full HD) video resolution. Galaxy M20 counts with a much bigger memory capacity to install games and applications than Galaxy J7 (2017), because it has a slot for an SD memory card that allows up to 512 GB and 48 GB more internal memory capacity.
Galaxy M20 has a much better battery duration than Samsung Galaxy J7 (2017), because it has a 5000mAh battery size.
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