Compare phones
| Global Score | |
| 77 | 84.1 |
| Basic Information | |
| LG | Samsung |
| -- | Android 11, 10 |
| 2016-09-29 | 2020-03-23 |
| 6.29 x 3.07 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 6.14 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Aluminum | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 115.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 515 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 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 | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 11.74 |
| Camera | |
| 16.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 29.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.9 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3200mAh Battery | 6000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 5.2 | 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
Galaxy M21 has a score of 84.1, which is just a bit better than LG V20's 77 overall score. The Galaxy M21 body is much newer than the LG V20's, but it's somewhat thicker and a little bit heavier. LG V20 has just a bit better looking screen than Samsung Galaxy M21, because although it has a little smaller screen, it also counts with a better 1440 x 2560 pixels resolution and a greater number of pixels per inch in the screen.
LG V20 features a superior memory capacity for applications, games, photos and videos than Galaxy M21, and although they both have equal internal storage, the LG V20 also has a slot for external memory cards that allows up to 1,95 TB. Samsung Galaxy M21 features a bit better CPU than LG V20, and although they both have the same RAM amount, the Samsung Galaxy M21 also has 4 more cpu cores.
Galaxy M21 has a way better battery lifetime than LG V20, because it has 6000mAh of battery capacity against 3200mAh. Galaxy M21 has a better camera than LG V20, because although it has a tinier aperture, and they both have the same 3840x2160 video quality and the same 30 frames per second video frame rate, the Galaxy M21 also counts with a way better 48 megapixels resolution back facing camera and a lot larger back camera sensor.
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