Compare phones
| Global Score | |
| 91.8 | 77.2 |
| Basic Information | |
| Samsung | LG |
| Android 11 | Android 7.0 Nougat |
| 2021-01-29 | 2017-07-21 |
| 5.97 x 2.80 x 0.31 inches | 5.87 x 2.83 x 0.31 inches |
| 6.03 ounces | 5.15 ounces |
| Gray, Phantom pink, Violet and White | Gray |
| Aluminum and Plastic | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 5.2 inches |
| 2400 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 565 pixels per inch |
| 1300 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2150 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 530 GPU |
| 9.63 | 8.91 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 1,95 TB) external memory slot |
| 10.1 | 12.76 |
| Camera | |
| 12.00 MP + 10.00 MP | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.38 inches (1/2.6") 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 | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.78 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 has an overall score of 91.8, which is much better than LG Q8's global score of 77.2. Both phones in this review have Android operating system, but the Galaxy S21 has an older 11 version while LG Q8 has Android 7.0 Nougat version. Galaxy S21 is a heavier phone than LG Q8, but they have the same thickness.
The Galaxy S21 counts with a little bit better hardware performance than LG Q8, because it has 4 GB more RAM memory and a higher number of cores. LG Q8 and Galaxy S21 feature extremely similar screens, because although the LG Q8 has a lot darker display and a little bit smaller screen, it also counts with a better 1440 x 2560px resolution and a better display density.
The LG Q8 features a lot bigger memory capacity to install games and applications than Galaxy S21, because although it has just 32 GB internal storage, it also counts with an external SD slot that admits up to 1,95 TB. The Galaxy S21 shoots clearer photos and videos than LG Q8, because although it has a back camera with a way lower 12 megapixels resolution, and they both have the same aperture, the Galaxy S21 also counts with a much higher video resolution and a lot bigger back camera sensor.
Samsung Galaxy S21 features superior battery performance than LG Q8, because it has a 33 percent bigger battery size.
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