Compare phones
| Global Score | |
| 84.1 | 77.2 |
| Basic Information | |
| Samsung | LG |
| Android 11, 10 | Android 7.0 Nougat |
| 2020-03-23 | 2017-07-21 |
| 6.26 x 2.96 x 0.35 inches | 5.87 x 2.83 x 0.31 inches |
| 6.63 ounces | 5.15 ounces |
| Midnight blue and Raven black | Gray |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.2 inches |
| 2340 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 565 pixels per inch |
| 420 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.2 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2150 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 8.91 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 11.74 | 12.76 |
| Camera | |
| 48.00 MP + 20.00 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M21 is slightly better than the LG Q8, getting a general score of 84.1 against 77.2. Both phones in this comparison work with Android OS, but Samsung Galaxy M21 has an older 11 version and LG Q8 has Android 7.0 Nougat version. The Samsung Galaxy M21 is a noticeably newer phone than LG Q8, but it is way heavier and somewhat thicker.
LG Q8 has a little bit better looking display than Galaxy M21, because although it has a bit smaller screen, it also counts with a higher 1440 x 2560px resolution, a greater pixel amount per display inch and a little brighter display. LG Q8 counts with a little bit more memory to store more games and applications than Samsung Galaxy M21, because although it has just 32 GB internal storage, it also counts with a slot for SD memory cards that holds a maximum of 1,95 TB.
Galaxy M21 has a little faster CPU than LG Q8, and although they both have the same RAM amount, the Galaxy M21 also has more cores. Samsung Galaxy M21 features a much better camera than LG Q8, because although it has a smaller aperture which is not recommended for low-light captures and videos, and they both have the same 3840x2160 video quality and the same 30 fps video frame rates, the Samsung Galaxy M21 also counts with a much larger camera sensor and a back-facing camera with a much better 48 megapixels resolution.
The Samsung Galaxy M21 features a really longer battery performance than LG Q8, because it has a 6000mAh battery size instead of 3000mAh.
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