Compare phones
| Global Score | |
| 75.2 | 77.7 |
| Basic Information | |
| LG | Samsung |
| Android 5.0 | Android 10 |
| 2015-01-05 | 2020-06-19 |
| 5.87 x 2.96 x 0.37 inches | 6.44 x 2.96 x 0.35 inches |
| 5.36 ounces | 6.77 ounces |
| Gray and Red | Black, Blue, Red and White |
| Scratch-Resistant Glass | -- |
| $ 185.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| P-OLED | TFT |
| 401 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Samsung Exynos 850 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 430 (600 MHz) GPU | Mali-G76 GPU |
| 9.99 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 9.84 |
| Camera | |
| 13.00 MP + 2.10 MP | 48.00 MP + 13.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | -- |
| 8.58 | 10.78 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Galaxy A21s has a general score of 77.7, which is just a bit better than the LG G Flex 2's global score of 75.2. Both phones in this review include Android OS (Operating System), but Galaxy A21s has newer 10 version while LG G Flex 2 has Android 5.0 version. Galaxy A21s's body is notably newer and just a bit thinner than LG G Flex 2's, although it is notably heavier.
The LG G Flex 2 features a much better screen than Samsung Galaxy A21s, because although it has a little bit smaller display, it also counts with a higher 1920 x 1080px resolution and a better display pixels density. Samsung Galaxy A21s features a much bigger storage capacity to store more games and applications than LG G Flex 2, and although they both have the same 32 GB internal memory, the Samsung Galaxy A21s also has a slot for an SD memory card that allows up to 512 GB.
LG G Flex 2 counts with a bit superior processor than Galaxy A21s, and although they both have the same number of cores and 3 GB of RAM memory, the LG G Flex 2 also has an extra graphics processing unit and a 64 bits CPU. The Samsung Galaxy A21s has a greater camera than LG G Flex 2, and although they both have the same 1920x1080 video resolution and the same video frame rates, the Samsung Galaxy A21s also has a camera with much more megapixels.
The Galaxy A21s counts with a superior battery duration than LG G Flex 2, because it has 5000mAh of battery capacity against 3000mAh.
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