Compare phones
| Global Score | |
| 74.6 | 77 |
| Basic Information | |
| Samsung | Motorola |
| Android 8.0 Oreo | Android 11 |
| -- | 2021-12-06 |
| 6.04 x 3.04 x 0.32 inches | 6.37 x 2.91 x 0.34 inches |
| 6.14 ounces | 6.38 ounces |
| 16 777 216 | Baby Blue and Mineral Grey |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| Super AMOLED | 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 7884 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 |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Mali-G52 MC2 GPU |
| 8.82 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 8.88 | 13.02 |
| Camera | |
| 13.00 MP + 8.00 MP | 50.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm 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 |
| 9.02 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM, Dual SIM | Nano SIM |
| 6.1 | 6.6 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Motorola Moto G31 has an overall score of 77, which is a bit better than Galaxy J7 Duo's 74.6 overall score. These phones include Android OS (Operating System), but the Motorola Moto G31 has the previous 11 version and Galaxy J7 Duo has Android 8.0 Oreo. Although it's the best in this comparison review, the Motorola Moto G31 construction is a bit heavier and just a little thicker than Galaxy J7 Duo.
The Moto G31 counts with a little bit better hardware performance than Galaxy J7 Duo. They have 4 GB of RAM memory and a Octa-Core processor. The Motorola Moto G31 has a much better display than Samsung Galaxy J7 Duo, because it has a larger screen, a way greater pixels density and a lot better 1080 x 2400 pixels resolution.
Motorola Moto G31 has a much greater storage to install applications and games than Galaxy J7 Duo, because it has 32 GB more internal storage and a slot for an SD memory card that admits up to 1 TB. The Moto G31 shoots much better photos and videos than Galaxy J7 Duo, and although they both have the same (Full HD) video definition and the same 30 fps video frame rate, the Moto G31 also has a larger diafragm aperture for better captures and video in low light situations and a camera with way more megapixels.
The Motorola Moto G31 features a much better battery duration than Galaxy J7 Duo, because it has a 5000mAh battery size.
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