Compare phones
| Global Score | |
| 75.2 | 76.1 |
| Basic Information | |
| LG | Samsung |
| Android 5.0 | Android 10 |
| 2015-01-05 | 2020-06-29 |
| 5.87 x 2.96 x 0.37 inches | 6.61 x 3.02 x 0.32 inches |
| 5.36 ounces | 6.81 ounces |
| Gray and Red | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 185.00 | $ 194.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| P-OLED | IPS LCD |
| 401 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Mediatek Helio P35 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 430 (600 MHz) GPU | PowerVR GE8320 GPU |
| 9.99 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 6.2 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A21 has a global score of 76.1, which is slightly better than the LG G Flex 2's 75.2 overall score. These phones work with Android OS, but Galaxy A21 has a newer 10 version and LG G Flex 2 has Android 5.0. The Galaxy A21 construction is notably newer and somewhat thinner than the LG G Flex 2's, but it's way heavier.
The LG G Flex 2 features a much more vibrant display than Galaxy A21, because although it has a quite smaller display, it also counts with a higher quantity of pixels per display inch and a higher resolution of 1920 x 1080 pixels. LG G Flex 2 has a bit better CPU than Samsung Galaxy A21, and although they both have a Octa-Core processor and the same RAM amount, the LG G Flex 2 also has an additional graphics processor and a 64-bits processor.
The Galaxy A21 counts with a lot bigger storage to store more apps and games than LG G Flex 2, and although they both have the same 32 GB internal memory capacity, the Galaxy A21 also has a SD memory slot that holds up to 512 GB. The Samsung Galaxy A21 counts with a slightly better camera than LG G Flex 2, and although they both have the same video frame rate and the same 1920x1080 (Full HD) video resolution, the Samsung Galaxy A21 also has a more MP back-facing camera.
The Galaxy A21 counts with better battery lifetime than LG G Flex 2, because it has a 33% larger battery size.
Samsung Galaxy A21 costs a bit more money than the LG G Flex 2, but you can get a better phone for that few more dollars.
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