Compare phones
| Global Score | |
| 72.2 | 76.1 |
| Basic Information | |
| LG | Samsung |
| Android 8.1 Oreo | Android 10 |
| 2018-06-15 | 2020-06-29 |
| 5.66 x 2.73 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 5.11 ounces | 6.81 ounces |
| 16 777 216 | Black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 2160 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 439 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| MediaTek MT6750 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1500 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-T860 MP2 GPU | PowerVR GE8320 GPU |
| 8.64 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 0.33 inches (1/3") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 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 | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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
The Galaxy A21 is a little bit better than LG Q7, getting a global score of 76.1 against 72.2. Galaxy A21's design is incredibly newer and just a little bit thinner, but heavier than LG Q7. Both of these phones have Android operating system, but the Galaxy A21 has an older 10 version and LG Q7 has Android 8.1 Oreo version.
Samsung Galaxy A21 features a bit superior processing unit than LG Q7. Both have a 3 GB RAM and a Octa-Core processing unit. LG Q7 features a brighter display than Galaxy A21, because although it has a little bit smaller display, it also counts with a much higher 1080 x 2160 resolution and a way better number of pixels per inch in the screen.
Galaxy A21 has a bigger memory for apps and games than LG Q7, and although they both have equal internal storage capacity, the Galaxy A21 also has a SD extension slot that allows a maximum of 512 GB. Galaxy A21 counts with superior battery life than LG Q7, because it has a 4000mAh battery capacity instead of 3000mAh.
Galaxy A21 shoots slightly better pictures and videos than LG Q7, because although it has a tinier sensor capturing less light and duller colors, and they both have the same 1920x1080 video quality and the same video frame rate, the Galaxy A21 also counts with a camera in the back with more mega-pixels and a bigger camera aperture.
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