Compare phones
| Global Score | |
| 76.1 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 10 | -- |
| 2020-06-29 | 2020-04-21 |
| 6.61 x 3.02 x 0.32 inches | 6.31 x 2.87 x 0.31 inches |
| 6.81 ounces | 6.35 ounces |
| Black | Glacial green |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 330.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| PowerVR GE8320 GPU | Adreno 650 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 25.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.16 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
The Samsung Galaxy A21 is just a bit better than the OnePlus 8, getting a score of 76.1 against 76. Even being the best cellphone in this review, we must note that it is also a just a little thicker and just a bit heavier cellphone. The OnePlus 8 has a bit faster CPU than Samsung Galaxy A21, and although they both have 8 processing cores, the OnePlus 8 also has 5 GB more RAM.
OnePlus 8 features a lot better looking display than Samsung Galaxy A21, and although they both have a same size screen, the OnePlus 8 also has a lot higher 1080 x 2400px resolution and a higher display pixels density. OnePlus 8 counts with a slightly bigger storage for games and applications than Galaxy A21, because although it has no slot for SD memory cards, it also counts with 96 GB more internal memory capacity.
The OnePlus 8 features a little longer battery life than Galaxy A21, because it has 4300mAh of battery capacity. OnePlus 8 shoots a lot better videos and photos than Samsung Galaxy A21, and although they both have the same aperture, the OnePlus 8 also has a much better resolution camera, a much higher (4K) video definition and a much bigger back-facing camera sensor shooting way higher quality videos and pictures.
Despite of being the best phone of the ones we are comparing here, the Samsung Galaxy A21 is also a lot cheaper, making it an easy decision.
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