| Global Score | |
| 73.7 | 76.1 |
| Basic Information | |
| LG | Samsung |
| Android 4.4.2, 4.2.2 | Android 10 |
| 2013-08-07 | 2020-06-29 |
| 5.45 x 2.79 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 5.04 ounces | 6.81 ounces |
| Black and White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 159.00 | $ 194.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 270 pixels per inch |
| 450 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 9.5 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | Mediatek Helio P35 chipset |
| Krait 400 (Quad-Core 2260 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 2 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 9.84 |
| Camera | |
| 13.00 MP + 2.10 MP | 16.00 MP + 13.00 MP |
| f/2.40 aperture | f/1.80 aperture |
| 29.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (60 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.24 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 3000mAh Li-Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 696 hours standby time 17.9 hours talk time | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Galaxy A21 has a general score of 76.1, which is a little bit better than the LG G2's 73.7 overall score. Both of these phones have Android operating system, but Galaxy A21 has the previous 10 version while LG G2 has Android 4.4.2 version. The Galaxy A21 construction is incredibly newer and a little thinner than LG G2's, although it's heavier.
LG G2 counts with a way better screen than Galaxy A21, because although it has a lot smaller screen, it also counts with a lot more pixels per screen inch and a better 1920 x 1080 pixels resolution. Samsung Galaxy A21 features a much bigger storage capacity to store more games and applications than LG G2. Both of them have equal 32 GB internal storage.
The Galaxy A21 features a processing unit that is very similar to the CPU in LG G2, because although the Galaxy A21 has doesn't have an additional GPU, it also counts with a higher number of cores (and also faster) and a higher amount of RAM memory. The Samsung Galaxy A21 counts with superior battery lifetime than LG G2, because it has a 4000mAh battery capacity against 3000mAh.
Galaxy A21 features a little bit better camera than LG G2, because although it has slower video frame rates, and they both have the same video quality and the same sensor size, the Galaxy A21 also counts with a much bigger diafragm aperture and a higher 16 mega-pixels resolution back-facing camera.
Although Samsung Galaxy A21 is a better device, it costs more money than the LG G2, and it doesn't have such a good quality/price relation as the LG G2. If you prefer to save some dollars, you can buy LG G2, and give up a few features and specs, but you will get the most with your money.
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