Compare phones
| Global Score | |
| 76 | 77.7 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 10 |
| 2020-04-21 | 2020-06-19 |
| 6.31 x 2.87 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 6.35 ounces | 6.77 ounces |
| Glacial green | Black, Blue, Red and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | -- |
| $ 330.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 405 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Samsung Exynos 850 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 650 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") 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 | 10.78 |
| 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, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4300mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s is a bit better than OnePlus 8, with a overall score of 77.7 against 76. Despite being the best in this review, it must be told that it's also a just a little bit heavier and thicker cellphone. OnePlus 8 features a much better looking display than Galaxy A21s, and although they both have a same size screen, the OnePlus 8 also has a much higher 1080 x 2400px resolution and a higher quantity of pixels per inch in the display.
OnePlus 8 has a bit more powerful processing unit than Galaxy A21s, and although they both have a Octa-Core processor, the OnePlus 8 also has more RAM memory. The OnePlus 8 features a much better camera than Galaxy A21s, and although they both have the same resolution camera and a same size sensor, the OnePlus 8 also has a much higher (4K) video definition and a bigger diafragm aperture to take better low-light photos and videos.
OnePlus 8 features a little bit better memory to store more games and applications than Samsung Galaxy A21s, because although it has no slot for external memory cards, it also counts with 128 GB internal memory. The Galaxy A21s has longer battery performance than OnePlus 8, because it has a 16 percent greater battery size.
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