| Global Score | |
| 87.7 | 76.4 |
| Basic Information | |
| Samsung | LG |
| Android 10 | Android 5.0, 4.4.2 |
| 2020-09-11 | 2014-05-27 |
| 6.45 x 3.00 x 0.37 inches | 5.76 x 2.94 x 0.35 inches |
| 7.51 ounces | 5.26 ounces |
| Black and White | Black, Gold, Pink, Purple and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| -- | $ 155.00 |
| Display / Screen | |
| 6.7 inches | 5.5 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 534 pixels per inch |
| -- | 450 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8 | 10 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 6 GB RAM | 3 GB (800 MHz) RAM |
| Adreno 618 GPU | Adreno 330 (450 MHz) GPU |
| 9.27 | 9.45 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 14.14 | 8.12 |
| Camera | |
| 64.00 MP + 32.00 MP | 13.00 MP + 2.10 MP |
| f/1.80 aperture | f/2.40 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 11.88 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 7 |
| Battery Life | |
| 7000mAh Battery | 3000mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 548 hours standby time 19 hours talk time |
| 8.32 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Galaxy M51 is much better than the LG G3, having a general score of 87.7 against 76.4. Although the Galaxy M51 is way newer than LG G3, it's incredibly heavier and just a bit thicker. These devices work with Android OS, but the Galaxy M51 has a newer 10 version and LG G3 has Android 5.0, offering a couple nice extra features.
The LG G3 has a way better display than Samsung Galaxy M51, because although it has a little bit smaller display, it also counts with a greater count of pixels per display inch and a higher resolution of 2560 x 1440. The Samsung Galaxy M51 has a much bigger memory capacity to store more apps and games than LG G3, because it has a SD extension slot that allows a maximum of 512 GB and 96 GB more internal storage.
The LG G3 features just a little better hardware performance than Galaxy M51, because although it has a lower amount of RAM and a lower number of cores , it also counts with an additional graphics processing unit. The Galaxy M51 counts with a way better camera than LG G3, and although they both have the same 3840x2160 (4K) video resolution and the same video frame rate, the Galaxy M51 also has a camera with a way better resolution, a way larger back-facing camera sensor providing a much higher image quality and a way bigger camera aperture.
The Galaxy M51 has a much longer battery lifetime than LG G3, because it has a 133% more battery size.
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