Compare phones
| Global Score | |
| 72.2 | 84.1 |
| Basic Information | |
| LG | Samsung |
| Android 8.1 Oreo | Android 11, 10 |
| 2018-06-15 | 2020-03-23 |
| 5.66 x 2.73 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 5.11 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 439 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| MediaTek MT6750 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T860 MP2 GPU | Mali-G72 MP3 GPU |
| 8.64 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.02 | 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 - Ion 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 | -- |
| 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 is much better than the LG Q7, having an 84.1 score against 72.2. The Samsung Galaxy M21 construction is newer, but a little thicker and extremely heavier than the LG Q7. Both of these phones have Android OS (operating system), but the Samsung Galaxy M21 has 11 version while LG Q7 has Android 8.1 Oreo version.
Samsung Galaxy M21 has a bit more vivid screen than LG Q7, because although it has a little bit less pixels per screen inch, it also counts with a quite better resolution of 1080 x 2340 pixels and a larger display. The Galaxy M21 has much more memory capacity to install applications and games than LG Q7, because it has an external SD slot that allows up to 512 GB and 32 GB more internal storage.
The Samsung Galaxy M21 features just a bit better hardware performance than LG Q7, and although they both have a Octa-Core CPU, the Samsung Galaxy M21 also has more RAM memory. Galaxy M21 shoots greater videos and photos than LG Q7, because it has a back-facing camera with a much higher 48 mega-pixels resolution, a bigger diafragm aperture to take better low light captures and videos, a way bigger back camera sensor taking more light and vivid colors and a way higher 3840x2160 (4K) video definition.
The Galaxy M21 has a way better battery life than LG Q7, because it has a 6000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.