Compare phones
| Global Score | |
| 76.1 | 76.1 |
| Basic Information | |
| LG | Samsung |
| Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow | Android 10 |
| 2016-03-31 | 2020-06-29 |
| 5.88 x 2.91 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.61 ounces | 6.81 ounces |
| 16 777 216 | Black |
| Metal | Plastic and Plastic |
| $ 499.00 | $ 194.00 |
| Display / Screen | |
| 5.3 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 554 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 820 8996 chipset | Mediatek Helio P35 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 530 GPU | PowerVR GE8320 GPU |
| 9 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 12.76 | 9.84 |
| Camera | |
| 16.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.38 inches (1/2.6") sensor | 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 | -- |
| 10.01 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 2800mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.8 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A21 has an overall score of 76.1, which is slightly better than LG G5's general score of 76.1. Both of these phones come with Android OS (operating system), but Galaxy A21 has the previous 10 version and LG G5 has Android 8.0 Oreo version. Although the Galaxy A21 is notably newer than the LG G5, it's a bit thicker and somewhat heavier.
LG G5 counts with a more vivid display than Galaxy A21, because although it has a little bit smaller display, it also counts with a much better resolution of 1440 x 2560px and way more pixels per inch of screen. The Galaxy A21 features just a bit better performance than LG G5, because although it has a lower amount of RAM memory, it also counts with a larger number of faster cores.
The LG G5 features much more memory for games and applications than Galaxy A21, and although they both have the same 32 GB internal storage, the LG G5 also has a SD extension slot that allows up to 1,95 TB. The LG G5 captures slightly better videos and photos than Galaxy A21, and although they both have a back facing camera with a 16 MP resolution and a F1.8 diafragm aperture, the LG G5 also has a bigger back camera sensor capturing better quality videos and photographs and a lot better (4K) video quality.
The Samsung Galaxy A21 features a really longer battery lifetime than LG G5, because it has 4000mAh of battery capacity instead of 2800mAh.
The Samsung Galaxy A21 is not only the best phones of the ones in this comparison, but it's also very cheap compared to the other ones, which makes it an obvious call.
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