| Global Score | |
| 98.1 | 76.4 |
| Basic Information | |
| Samsung | LG |
| Android 11 | Android 5.0, 4.4.2 |
| 2021-01-29 | 2014-05-27 |
| 6.50 x 2.98 x 0.35 inches | 5.76 x 2.94 x 0.35 inches |
| 8.04 ounces | 5.26 ounces |
| Phantom black and Silver | Black, Gold, Pink, Purple and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | -- |
| $ 966.00 | $ 155.00 |
| Display / Screen | |
| 6.8 inches | 5.5 inches |
| 3200 x 1440 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 534 pixels per inch |
| 1500 cd/m2 brightness | 450 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 9.8 | 10 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 12 GB RAM | 3 GB (800 MHz) RAM |
| Adreno 660 GPU | Adreno 330 (450 MHz) GPU |
| 9.72 | 9.45 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 10.1 | 8.12 |
| Camera | |
| 108.00 MP + 40.00 MP | 13.00 MP + 2.10 MP |
| f/1.80 aperture | f/2.40 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| Wireless Charging | Wireless Charging |
| -- | 548 hours standby time 19 hours talk time |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Samsung Galaxy S21 Ultra has a score of 98.1, which is way better than the LG G3's 76.4 global score. Samsung Galaxy S21 Ultra's design has the same thickness than LG G3, but it's much heavier. Both of these phones work with Android operating system, but Samsung Galaxy S21 Ultra has a more recent 11 version while LG G3 has Android 5.0, giving you some nice extra features.
LG G3 has a bit sharper screen than Galaxy S21 Ultra, because although it has much lower brightness, a little smaller screen and a little bit lower 2560 x 1440 pixels resolution, it also counts with a bit more pixels per inch in the display. The Samsung Galaxy S21 Ultra counts with a bit superior processing unit than LG G3, because although it has doesn't have a GPU, it also counts with more RAM and 4 more cpu cores.
Samsung Galaxy S21 Ultra captures much better videos and photos than LG G3, because it has a lot bigger aperture for better low-light photos, a lot higher 108 mega-pixels resolution back camera, a lot higher 7680x4320 video quality and a much bigger back camera sensor shooting way better quality photographs.
Galaxy S21 Ultra counts with a way bigger memory capacity to store more games and applications than LG G3, because although it has no slot for an external memory card, it also counts with 128 GB internal memory capacity. The Galaxy S21 Ultra counts with a much longer battery duration than LG G3, because it has 5000mAh of battery capacity.
Although Galaxy S21 Ultra is a better device, it costs a lot more than the LG G3, and it doesn't have such a good relation between it's price and quality as LG G3. If you want to save a few dollars, you can get the LG G3, and give up a few features and specs, but you'll get the most with your budget.
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