Compare phones
| Global Score | |
| 73.6 | 71.1 |
| Basic Information | |
| LG | LG |
| Android 4.4.2, 4.2.2 | Android 10 |
| 2013-08-07 | 2020-05-06 |
| 5.45 x 2.79 x 0.36 inches | 6.57 x 3.07 x 0.33 inches |
| 5.47 ounces | 7.17 ounces |
| Black and White | Titan gray |
| Scratch-Resistant Glass | -- |
| $ 180.00 | $ 174.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1560 x 720 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 264 pixels per inch |
| 450 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 9.5 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | MediaTek Helio P22 MT6762 chipset |
| Krait 400 (Quad-Core 2260 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | IMG PowerVR GE8320 GPU |
| 9.27 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 1,95 TB) external memory slot |
| 5.8 | 12.76 |
| Camera | |
| 13.00 MP + 2.10 MP | 13.00 MP + 13.00 MP |
| f/2.40 aperture | f/1.80 aperture |
| 29.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.33 inches (1/3") sensor |
| 1920 x 1080 (60 fps) (Full HD) video resolution | 1920 x 1080 (Full HD) video resolution |
| 9.24 | 8.14 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 3000mAh Li-Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 274 hours standby time 34.3 hours talk time | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
LG G2 is a little bit better than LG K51, having a 73.6 score against 71.1. LG G2 is a notably older and a little thicker cellphone than LG K51, but LG was able to make it lighter anyway. Both devices we compare here use Android OS (Operating System), but the LG G2 has 4.4.2 version and LG K51 has Android 10 version, offering some nice extra features.
LG G2 features a bit faster CPU than LG K51, because although it has a lower number of cores and a lower amount of RAM, it also counts with an extra graphics processing unit. The LG G2 counts with an incredibly better looking display than LG K51, because although it has a lot smaller display, it also counts with a lot better pixel amount per inch in the display and a better resolution of 1920 x 1080 pixels.
LG G2 captures much clearer photographs and videos than LG K51, although it has a way smaller camera aperture and a tinier sensor, they both have a same resolution back camera, the same 1920x1080 (Full HD) video resolution and the same video frame rates. The LG K51 counts with a much better memory to install applications and games than LG G2. Both have exactly the same internal storage.
The LG K51 counts with improved battery life than LG G2, because it has a 33% larger battery capacity.
LG G2 costs a bit more than the LG K51, but you can get a better phone for that extra dollars.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.