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