| Global Score | |
| 73.7 | 91.8 |
| Basic Information | |
| LG | Samsung |
| Android 4.4.2, 4.2.2 | Android 11 |
| 2013-08-07 | 2021-01-29 |
| 5.45 x 2.79 x 0.35 inches | 5.97 x 2.80 x 0.31 inches |
| 5.04 ounces | 6.03 ounces |
| Black and White | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 159.00 | $ 722.00 |
| Display / Screen | |
| 5.2 inches | 6.2 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 424 pixels per inch | 424 pixels per inch |
| 450 cd/m2 brightness | 1300 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.5 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | Qualcomm Snapdragon 888 chipset |
| Krait 400 (Quad-Core 2260 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 2 GB (800 MHz) RAM | 8 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 5.8 | 10.1 |
| Camera | |
| 13.00 MP + 2.10 MP | 12.00 MP + 10.00 MP |
| f/2.40 aperture | f/1.80 aperture |
| 29.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (60 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.24 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS, GSM and CDMA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7.1 | 10.7 |
| Battery Life | |
| 3000mAh Li-Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 696 hours standby time 17.9 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, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy S21 has a score of 91.8, which is a lot better than LG G2's overall score of 73.7. These devices work with Android OS, but Samsung Galaxy S21 has an older 11 version and LG G2 has Android 4.4.2. Samsung Galaxy S21's design is incredibly newer and thinner than the LG G2's, but it is heavier.
LG G2 features a bit better display than Samsung Galaxy S21, although it has a bit smaller screen, a quite lower 1920 x 1080 resolution and much less brightness, they both have a higher pixel quantity in each inch in the display. Samsung Galaxy S21 counts with a very superior memory for applications and games than LG G2, because although it has no external SD slot, it also counts with 128 GB internal memory capacity.
The Samsung Galaxy S21 features a little faster CPU than LG G2, because although it has doesn't have a graphics processing unit, it also counts with a larger number of cores (and faster) and 6 GB more RAM. Samsung Galaxy S21 has a much better camera than LG G2, because although it has a worse resolution camera in the back, it also counts with a much bigger back-facing camera sensor providing a way higher image quality, a much larger aperture for better low-light photography and video and a way higher video definition.
The Galaxy S21 features better battery lifetime than LG G2, because it has a 33 percent bigger battery capacity.
Although Samsung Galaxy S21 is a better device, it is a lot more expensive than the LG G2, and it doesn't have such a good relation between it's price and quality as LG G2. If you are trying to save a few dollars, you can get the LG G2, letting go a couple features, but you'll get the most out of your budget.
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