Compare phones
| Global Score | |
| 77.7 | 77.2 |
| Basic Information | |
| Samsung | OnePlus |
| Android 10 | -- |
| 2020-06-19 | 2020-04-21 |
| 6.44 x 2.96 x 0.35 inches | 6.51 x 2.93 x 0.33 inches |
| 6.77 ounces | 7.02 ounces |
| Black, Blue, Red and White | Glacial green |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 747.00 |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 1600 x 720 pixels | 3168 x 1440 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 512 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.7 |
| 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 | 0.71 inches (1/1.4") 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 | 12.21 |
| 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 | 4510mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.4 |
| 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 Samsung Galaxy A21s is slightly better than the OnePlus 8 Pro, having a 77.7 score against 77.2. The Samsung Galaxy A21s body is a little lighter but a little bit thicker than the OnePlus 8 Pro, and both were released with only a few months difference. The OnePlus 8 Pro features a bit superior processing unit than Galaxy A21s, and although they both have a Octa-Core processor, the OnePlus 8 Pro also has a larger amount of RAM memory.
The OnePlus 8 Pro has an incredibly better looking screen than Samsung Galaxy A21s, because it has a little bit larger screen, a lot better resolution of 1440 x 3168 pixels and a much higher screen pixels density. OnePlus 8 Pro has just a bit more memory for applications, games, photos and videos than Samsung Galaxy A21s, because although it has no slot for an external memory card, it also counts with 128 GB internal memory.
OnePlus 8 Pro has a much better camera than Galaxy A21s, and although they both have a same resolution camera in the back, the OnePlus 8 Pro also has a larger diafragm aperture, a much larger back-facing camera sensor which offers a way higher image and video quality and a way higher 3840x2160 (4K) video quality.
Galaxy A21s features just a bit longer battery lifetime than OnePlus 8 Pro, because it has an 11 percent greater battery size.
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