Compare phones
| Global Score | |
| 76.1 | 75.9 |
| Basic Information | |
| Samsung | OnePlus |
| Android 10 | Android 10 |
| 2020-06-29 | 2020-04-29 |
| 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 | Onyx black and Polar silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 800.00 |
| 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 | Kryo 585 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 |
| 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
Galaxy A21 is a bit better than OnePlus 8 UW, getting a 76.1 score against 75.9. Both of these phones work with the same Android 10 OS, so they should give you the same operating system features. Galaxy A21's construction is a bit heavier and a little thicker than the OnePlus 8 UW. The OnePlus 8 UW features an incredibly better looking screen than Galaxy A21, and although they both have a screen of the same size, the OnePlus 8 UW also has more pixels per inch in the screen and a way better 1080 x 2400 resolution.
OnePlus 8 UW has slightly more memory capacity to install games and applications than Samsung Galaxy A21, because although it has no SD card slot, it also counts with 128 GB internal storage capacity. OnePlus 8 UW counts with a bit better processing power than Samsung Galaxy A21, and although they both have a Octa-Core CPU, the OnePlus 8 UW also has a higher amount of RAM memory.
OnePlus 8 UW has a much better camera than Galaxy A21, and although they both have a F1.8 camera aperture, the OnePlus 8 UW also has a way higher 48 mega-pixels resolution back camera, a lot larger sensor and a way better 3840x2160 (4K) video quality. The OnePlus 8 UW features just a little better battery duration than Samsung Galaxy A21, because it has an 8 percent greater battery capacity.
Even being the best phone in our comparison, Galaxy A21 is also a bargain compared to others.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.