Compare phones
| Global Score | |
| 75.9 | 84.1 |
| Basic Information | |
| OnePlus | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-29 | 2020-03-23 |
| 6.31 x 2.87 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.35 ounces | 6.63 ounces |
| Onyx black and Polar silver | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 800.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| 1100 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Kryo 585 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 20.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.88 | 11.55 |
| 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 | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4300mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 is better than the OnePlus 8 UW, getting a global score of 84.1 against 75.9. Despite being the best we are comparing here, Galaxy M21's design is thicker and just a little heavier than OnePlus 8 UW. Both of these phones work with Android OS (operating system), but the Galaxy M21 has a newer 11 version and OnePlus 8 UW has Android 10, so it counts with a lot of extra features and increased performance.
The OnePlus 8 UW features a little sharper screen than Samsung Galaxy M21, because it has a quite better resolution of 1080 x 2400px, a just a bit higher pixels density, a quite bigger screen and much more brightness. Samsung Galaxy M21 has a bigger memory for games and applications than OnePlus 8 UW, because although it has just 64 GB internal storage capacity, it also counts with a slot for external memory cards that supports up to 512 GB.
The OnePlus 8 UW has a bit superior CPU than Samsung Galaxy M21, and although they both have 8 cores, the OnePlus 8 UW also has more RAM memory. Galaxy M21 counts with a really longer battery duration than OnePlus 8 UW, because it has a 40% larger battery size. OnePlus 8 UW counts with a bit better camera than Galaxy M21, and although they both have the same video quality, a same size back-facing camera sensor and a same resolution camera, the OnePlus 8 UW also has higher video frame rates and a larger aperture for better photography in low light situations.
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