Compare phones
| Global Score | |
| 69 | 73.1 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 9.0 Pie, 8.0 Oreo |
| 2020-08-21 | 2018-07-13 |
| 5.82 x 2.80 x 0.34 inches | 6.03 x 3.00 x 0.34 inches |
| 5.15 ounces | 6.38 ounces |
| Silver | Blue |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| $ 150.00 | $ 107.00 |
| Display / Screen | |
| 5.7 inches | 5.5 inches |
| 1520 x 720 pixels | 1280 x 720 pixels (HD) |
| IPS LCD | TFT |
| 295 pixels per inch | 267 pixels per inch |
| No touch screen | No touch screen |
| 7.4 | 7.1 |
| Performance | |
| MediaTek Helio P22 MT6762 chipset | Samsung Exynos 7 Octa 7870 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor |
| 2 GB RAM | 2 GB RAM |
| IMG PowerVR GE8320 GPU | Mali-T830 MP1 GPU |
| 9 | 8.73 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 32 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 7.12 | 9.44 |
| Camera | |
| 13.00 MP + 5.00 MP | 13.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 28.00mm focal length |
| 0.33 inches (1/3") sensor | 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 | 9.13 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 3000mAh Battery | 3300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy J7 Star is just a bit better than the LG K31, having a general score of 73.1 against 69. Galaxy J7 Star's body has the same thickness than LG K31, but it's heavier. Both phones in our current comparison include Android operating system, but the Galaxy J7 Star has a more recent 9.0 Pie version and LG K31 has Android 10, providing some nice extra features and better performance.
LG K31 has a little better hardware performance than Samsung Galaxy J7 Star. Both of them have a 2 GB RAM memory and 8 CPU cores. LG K31 counts with just a bit better screen than Samsung Galaxy J7 Star, because it has a little bit higher 720 x 1520px resolution, a little bit bigger screen and a little better pixel density.
Galaxy J7 Star captures a bit better photographs and videos than LG K31, because although it has a smaller back-facing camera sensor, and they both have a 13 mega pixels resolution back camera, the same (Full HD) video definition and the same video frame rates, the Galaxy J7 Star also counts with a larger camera aperture to take better images in low-light situations.
The Galaxy J7 Star has a much bigger memory to install applications and games than LG K31, and although they both have exactly the same internal storage capacity, the Galaxy J7 Star also has a slot for external memory cards that admits a maximum of 400 GB. The Samsung Galaxy J7 Star has just a little bit longer battery life than LG K31, because it has a 3300mAh battery size against 3000mAh.
Even being the best phone of the ones we compare here, Galaxy J7 Star is also a bargain compared to the other ones, which makes it a great choice.
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