Compare phones
| Global Score | |
| 75.2 | 84.1 |
| Basic Information | |
| LG | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-01-05 | 2020-03-23 |
| 5.87 x 2.96 x 0.37 inches | 6.26 x 2.96 x 0.35 inches |
| 5.36 ounces | 6.63 ounces |
| Gray and Red | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 185.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| P-OLED | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Exynos 9611 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 430 (600 MHz) GPU | Mali-G72 MP3 GPU |
| 9.99 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 11.74 |
| Camera | |
| 13.00 MP + 2.10 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 (60 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.58 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, UMTS, EDGE and GPRS | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM, Dual SIM |
| 6.2 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 is better than the LG G Flex 2, with a overall score of 84.1 against 75.2. Galaxy M21's design is newer and a bit thinner, but also heavier than LG G Flex 2. Both phones in our current comparison include Android OS (Operating System), but Galaxy M21 has a newer 11 version and LG G Flex 2 has Android 5.0, offering a couple nice extra features.
LG G Flex 2 counts with a little bit better display than Samsung Galaxy M21, although it has a little bit worse 1920 x 1080 resolution, a bit smaller screen and a little worse screen pixels density. LG G Flex 2 features a bit faster processing unit than Samsung Galaxy M21, because although it has a smaller amount of RAM memory, and they both have the same number of cores, the LG G Flex 2 also counts with an extra GPU and a 64-bit CPU.
The Galaxy M21 counts with a way better camera than LG G Flex 2, and although they both have the same 3840x2160 video definition and the same 30 frames per second video frame rates, the Galaxy M21 also has a lot more mega-pixels back-facing camera. The Samsung Galaxy M21 counts with much more storage for games and applications than LG G Flex 2, because it has 64 GB internal storage capacity and a slot for SD memory cards that holds up to 512 GB.
Samsung Galaxy M21 counts with a much longer battery life than LG G Flex 2, because it has a 100% more battery capacity.
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