Compare phones
| Global Score | |
| 76 | 76.1 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 10 |
| 2020-04-21 | 2020-06-29 |
| 6.31 x 2.87 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 6.35 ounces | 6.81 ounces |
| Glacial green | Black |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 330.00 | $ 194.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 405 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Mediatek Helio P35 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 650 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 48.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.88 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4300mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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 |
Comparison review
Samsung Galaxy A21 has a score of 76.1, which is a little bit better than the OnePlus 8's score of 76. Even being the best phone in this review, we must tell that it is also a little thicker and a little bit heavier. OnePlus 8 counts with a bit superior CPU than Samsung Galaxy A21, and although they both have the same number of cores, the OnePlus 8 also has a greater amount of RAM.
The OnePlus 8 features a much more vibrant screen than Samsung Galaxy A21, and although they both have a display of the same size, the OnePlus 8 also has a lot higher 1080 x 2400 pixels resolution and a greater pixels number per display inch. The OnePlus 8 counts with slightly more memory to store more apps and games than Samsung Galaxy A21, because although it has no slot for an external memory card, it also counts with 128 GB internal memory.
The OnePlus 8 counts with just a little bit longer battery lifetime than Galaxy A21, because it has a 4300mAh battery capacity. The OnePlus 8 counts with a much better camera than Galaxy A21, and although they both have a F1.8 aperture, the OnePlus 8 also has a much better 3840x2160 video definition, a lot larger back camera sensor capturing much higher quality pictures and videos and a back camera with much more megapixels.
In addition to being the best phone in this comparison, the Galaxy A21 is also by far the cheapest.
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