| Global Score | |
| 85 | 76.4 |
| Basic Information | |
| Samsung | LG |
| Android 10, 9.0 Pie | Android 5.0, 4.4.2 |
| 2019-06-18 | 2014-05-27 |
| 6.11 x 2.91 x 0.31 inches | 5.76 x 2.94 x 0.35 inches |
| 5.93 ounces | 5.26 ounces |
| Midnight blue and Seawater blue | Black, Gold, Pink, Purple and White |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| -- | $ 155.00 |
| Display / Screen | |
| 6.3 inches | 5.5 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | IPS LCD |
| 409 pixels per inch | 534 pixels per inch |
| -- | 450 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 10 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 6 GB RAM | 3 GB (800 MHz) RAM |
| Adreno 612 GPU | Adreno 330 (450 MHz) GPU |
| 9.18 | 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 | |
| 32.00 MP + 16.00 MP | 13.00 MP + 2.10 MP |
| f/1.70 aperture | f/2.40 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 10.78 | 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 | Micro SIM |
| 6.7 | 7 |
| Battery Life | |
| 3500mAh Battery | 3000mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 548 hours standby time 19 hours talk time |
| 5.44 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
The Galaxy M40 has a global score of 85, which is better than the LG G3's 76.4 general score. Galaxy M40 is a notably newer and thinner phone than LG G3, although it is also somewhat heavier. These phones work with Android OS, but Galaxy M40 has 10 version and LG G3 has Android 5.0 version, providing a couple additional features.
The LG G3 features a lot better display than Galaxy M40, because although it has a little bit smaller screen, it also counts with a higher 2560 x 1440 resolution and a greater pixels amount per screen inch. The LG G3 counts with a little faster CPU than Galaxy M40, because although it has less processing cores and 3 GB lesser RAM memory, it also counts with a GPU.
Galaxy M40 counts with a much better camera than LG G3, and although they both have the same 3840x2160 video definition and the same 30 fps video frame rate, the Galaxy M40 also has a much bigger aperture, a lot higher 32 megapixels resolution camera in the back and a bigger camera sensor. Galaxy M40 counts with a much greater memory to store more apps and games than LG G3, because it has 128 GB internal storage capacity and an external SD slot that holds a maximum of 512 GB.
The Samsung Galaxy M40 features just a bit longer battery performance than LG G3, because it has a 17% greater battery size.
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