Compare phones
| Global Score | |
| 84.1 | 75.9 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2020-04-29 |
| 6.26 x 2.96 x 0.35 inches | 6.31 x 2.87 x 0.31 inches |
| 6.63 ounces | 6.35 ounces |
| Midnight blue and Raven black | Onyx black and Polar silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 800.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 420 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Kryo 585 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 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 |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.16 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 is much better than the OnePlus 8 UW, getting a score of 84.1 against 75.9. Even being the best cellphone we are comparing, we must highlight that it is also just a little heavier and thicker. Both of these phones use Android OS (operating system), but the Samsung Galaxy M21 has 11 version while OnePlus 8 UW has Android 10 version, providing you some additional features and some performance improvements.
The OnePlus 8 UW has a bit faster CPU than Samsung Galaxy M21, and although they both have 8 processing cores, the OnePlus 8 UW also has 4 GB more RAM. OnePlus 8 UW features a little bit better display than Samsung Galaxy M21, because it has a just a bit greater count of pixels in each inch in the display, a much brighter display, a little bit bigger display and a bit higher 1080 x 2400px resolution.
Galaxy M21 counts with a better storage 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 holds up to 512 GB. The Samsung Galaxy M21 features a superior battery life than OnePlus 8 UW, because it has 6000mAh of battery capacity.
OnePlus 8 UW shoots a little bit better videos and photos than Samsung Galaxy M21, and although they both have the same resolution camera, the same 3840x2160 (4K) video resolution and a same size camera sensor, the OnePlus 8 UW also has faster 60 frames per second video frame rates and a bigger aperture.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.