Compare phones
| Global Score | |
| 73.1 | 77 |
| Basic Information | |
| Samsung | Motorola |
| Android 9.0 Pie, 8.0 Oreo | Android 11 |
| 2018-07-13 | 2021-12-06 |
| 6.03 x 3.00 x 0.34 inches | 6.37 x 2.91 x 0.34 inches |
| 6.38 ounces | 6.38 ounces |
| Blue | Baby Blue and Mineral Grey |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | MediaTek Helio G85 MT6769Z (12 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Cortex, 64-bit (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali-G52 MC2 GPU |
| 8.73 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 9.44 | 13.02 |
| Camera | |
| 13.00 MP + 13.00 MP | 50.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.13 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.6 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Moto G31 has a score of 77, which is a little bit better than Galaxy J7 Star's global score of 73.1. The Moto G31 construction has the same weight and thickness than the Galaxy J7 Star. Both devices in this review have Android OS (operating system), but Moto G31 has the older 11 version and Galaxy J7 Star has Android 9.0 Pie.
Motorola Moto G31 features a much better display than Galaxy J7 Star, because it has a lot greater amount of pixels per inch in the screen, a larger screen and a way better resolution of 1080 x 2400px. The Moto G31 has a much bigger storage capacity for games and applications than Galaxy J7 Star, because it has 32 GB more internal storage capacity and a SD card slot that supports a maximum of 1 TB.
The Moto G31 features just a little better performance than Galaxy J7 Star, and although they both have the same number of cores, the Moto G31 also has 2 GB more RAM memory. Motorola Moto G31 counts with a better camera than Samsung Galaxy J7 Star, because although it has a smaller aperture which is worse for shooting photographs or videos in low-light situations, and they both have the same 1920x1080 (Full HD) video resolution and the same 30 fps video frame rates, the Motorola Moto G31 also counts with a back camera with lot more mega pixels.
The Motorola Moto G31 has a very superior battery duration than Galaxy J7 Star, because it has a 5000mAh battery capacity.
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