Compare phones
| Global Score | |
| 62.9 | 69 |
| Basic Information | |
| ZTE | LG |
| Android 4.4 | Android 10 |
| 2015-03-01 | 2020-08-21 |
| 6.06 x 3.03 x 0.39 inches | 5.82 x 2.80 x 0.34 inches |
| -- | 5.15 ounces |
| -- | Silver |
| -- | Plastic and Plastic |
| $ 249.00 | $ 150.00 |
| Display / Screen | |
| 5.5 inches | 5.7 inches |
| 1080 x 1920 pixels (Full HD) | 1520 x 720 pixels |
| -- | IPS LCD |
| 401 pixels per inch | 295 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 7.4 |
| Performance | |
| Qualcomm Snapdragon 801 chipset | MediaTek Helio P22 MT6762 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB (600 MHz) RAM | 2 GB RAM |
| Adreno 330 (450 MHz) GPU | IMG PowerVR GE8320 GPU |
| 9.36 | 9 |
| Storage | |
| 16 GB internal memory | 32 GB internal memory |
| microSD, microSDHC (up to 64 GB) external memory slot | microSDXC (up to 32 GB) external memory slot |
| 6.16 | 7.12 |
| Camera | |
| 16.00 MP + 8.00 MP | 13.00 MP + 5.00 MP |
| -- | f/1.80 aperture |
| -- | 0.33 inches (1/3") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 7.26 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM |
| 6.5 | 6.7 |
| Battery Life | |
| 3100mAh Battery | 3000mAh Battery |
| Removable Battery | Non-Removable Battery |
| 5.12 | 4.96 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
LG K31 has a general score of 69, which is slightly better than ZTE Grand S3's 62.9 global score. Both of these phones include Android OS, but the LG K31 has the newer 10 version and ZTE Grand S3 has Android 4.4 version, counting with a couple additional features. The ZTE Grand S3 features a bit better performance than LG K31, because although it has 4 lesser cpu cores (although faster), it also counts with a higher amount of RAM and an extra graphics processing unit.
ZTE Grand S3 counts with a way better looking screen than LG K31, because although it has a little bit smaller display, it also counts with a greater pixels density and a higher resolution of 1920 x 1080. The LG K31 captures greater photos and videos than ZTE Grand S3, although it has a back facing camera with a worse 13 mega pixels resolution.
LG K31 features a better storage capacity to install applications and games or saving photos and videos than ZTE Grand S3, because although it has a SD memory card expansion slot that allows a maximum of 32 GB against 64 GB, it also counts with 16 GB more internal memory. The ZTE Grand S3 counts with just a bit better battery life than LG K31, because it has a 3 percent bigger battery size.
LG K31 is not only the best phones of the ones we are comparing, but it's also a bargain compared to the other phones.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.