| Global Score | |
| 76.4 | 91.8 |
| Basic Information | |
| LG | Samsung |
| Android 5.0, 4.4.2 | Android 11 |
| 2014-05-27 | 2021-01-29 |
| 5.76 x 2.94 x 0.35 inches | 5.97 x 2.80 x 0.31 inches |
| 5.26 ounces | 6.03 ounces |
| Black, Gold, Pink, Purple and White | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 155.00 | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 534 pixels per inch | 424 pixels per inch |
| 450 cd/m2 brightness | 1300 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 10 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 888 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (800 MHz) RAM | 8 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.45 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 10.1 |
| Camera | |
| 13.00 MP + 2.10 MP | 12.00 MP + 10.00 MP |
| f/2.40 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.46 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 3000mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 548 hours standby time 19 hours talk time | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Galaxy S21 has a global score of 91.8, which is a lot better than LG G3's general score of 76.4. Both of these phones include Android OS, but the Galaxy S21 has 11 version and LG G3 has Android 5.0. The Galaxy S21 design is incredibly newer and thinner than the LG G3's, but it is also somewhat heavier.
LG G3 has a bit sharper screen than Samsung Galaxy S21, because although it has much lower brightness and a little smaller screen, it also counts with a higher pixels amount per inch in the screen and a better 2560 x 1440 resolution. Samsung Galaxy S21 features a bit superior CPU than LG G3, because although it has doesn't have an additional graphics co-processor, it also counts with a greater number of cores (and faster) and a greater amount of RAM.
The Samsung Galaxy S21 has a way bigger storage for games and applications than LG G3, because although it has no SD extension slot, it also counts with more internal memory. The Galaxy S21 counts with superior battery performance than LG G3, because it has a 33 percent larger battery capacity. The Samsung Galaxy S21 counts with a better camera than LG G3, because although it has a less MP resolution camera, it also counts with a way larger camera sensor which offers a way higher photo and video quality, a much bigger aperture to take better photos and video in low light situations and a much higher 7680x4320 video resolution.
Although Galaxy S21 is a better device, it costs a lot more money than the LG G3, and it doesn't have such a good price and quality relation as LG G3. So if you want that extra features and specs, you can buy Galaxy S21, else you can save a couple dollars and get the LG G3, letting go a couple features and specs.
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