Compare phones
| Global Score | |
| 73.5 | 84.1 |
| Basic Information | |
| LG | Samsung |
| -- | Android 11, 10 |
| -- | 2020-03-23 |
| 5.87 x 3.01 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 5.33 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 534 pixels per inch | 403 pixels per inch |
| 400 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 808 MSM8992 chipset | Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Hexa-Core 1800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 418 GPU | Mali-G72 MP3 GPU |
| 8.82 | 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 | |
| 12.30 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") 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 |
| 8.36 | 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 |
| 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 Galaxy M21 is better than LG X Mach, with a overall score of 84.1 against 73.5. Galaxy M21's body has the same thickness than the LG X Mach, but it's heavier. Galaxy M21 has just a little better hardware performance than LG X Mach, because it has more RAM and a larger number of faster cores. LG X Mach features a bit more vivid screen than Samsung Galaxy M21, because although it has less bright screen and a quite smaller screen, it also counts with a better resolution of 1440 x 2560 pixels and a greater pixel quantity per inch in the screen.
The Samsung Galaxy M21 captures much clearer pictures and videos than LG X Mach, and although they both have the same 30 frames per second video frame rate and the same (4K) video quality, the Samsung Galaxy M21 also has a camera in the back with a much higher 48 mega-pixels resolution. LG X Mach has a slightly better memory capacity for games and applications than Galaxy M21, because although it has just 32 GB internal storage capacity, it also counts with a SD card slot that holds a maximum of 1,95 TB.
The Galaxy M21 has a much longer battery life than LG X Mach, because it has a 100 percent bigger battery size.
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