Compare phones
| Global Score | |
| 77.7 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 10 | -- |
| 2020-06-19 | 2020-04-21 |
| 6.44 x 2.96 x 0.35 inches | 6.31 x 2.87 x 0.31 inches |
| 6.77 ounces | 6.35 ounces |
| Black, Blue, Red and White | Glacial green |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 330.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 650 GPU |
| 9.09 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.16 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A21s is just a bit better than OnePlus 8, getting a 77.7 score against 76. Galaxy A21s is an a little bit heavier and thicker cellphone than the OnePlus 8. OnePlus 8 counts with a bit better performance than Galaxy A21s, and although they both have the same number of cores, the OnePlus 8 also has more RAM.
The OnePlus 8 counts with a much more vibrant screen than Samsung Galaxy A21s, and although they both have a screen with the same size, the OnePlus 8 also has a way higher 1080 x 2400 pixels resolution and a higher pixel quantity in each inch of display. The OnePlus 8 counts with a superior camera than Galaxy A21s, and although they both have the same back-facing camera sensor size and a same resolution camera, the OnePlus 8 also has a way better 3840x2160 video definition and a bigger camera aperture.
The OnePlus 8 features a slightly bigger memory capacity to store more apps and games than Samsung Galaxy A21s, because although it has no external memory card slot, it also counts with 96 GB more internal memory capacity. The Samsung Galaxy A21s has longer battery performance than OnePlus 8, because it has a 16% more battery capacity.
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