Compare phones
| Global Score | |
| 72.8 | 76.1 |
| Basic Information | |
| OnePlus | Samsung |
| Android 15 | Android 10 |
| -- | 2020-06-29 |
| -- | 6.61 x 3.02 x 0.32 inches |
| -- | 6.81 ounces |
| -- | Black |
| -- | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 7.8 inches | 6.5 inches |
| 2268 x 2440 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 427 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8550 (4 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 16 GB RAM | 3 GB RAM |
| Yes GPU | PowerVR GE8320 GPU |
| 6.3 | 9.27 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 9.84 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.99 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5700mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.36 | 5.92 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| 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 Galaxy A21 is just a bit better than OnePlus Open 2 (Rumored), getting a 76.1 score against 72.8. Both phones in this comparison have Android OS (Operating System), but the Galaxy A21 has older 10 version and OnePlus Open 2 (Rumored) has Android 15. OnePlus Open 2 (Rumored) counts with a slightly better looking display than Samsung Galaxy A21, because it has a lot better resolution of 2440 x 2268 pixels, a way greater pixels amount per inch in the display and a larger screen.
The Samsung Galaxy A21 has a much greater performance than OnePlus Open 2 (Rumored), although it has a lower amount of RAM, they both have a Octa-Core processing unit. OnePlus Open 2 (Rumored) has a greater camera than Galaxy A21, because it has a lot higher 3840x2160 (4K) video resolution, a way better resolution camera, a bigger aperture to capture better low light photography and a way bigger sensor capturing more light and vivid colors.
The OnePlus Open 2 (Rumored) has a much greater storage capacity for applications and games than Galaxy A21, because although it has no SD memory card expansion slot, it also counts with 480 GB more internal memory. The OnePlus Open 2 (Rumored) features a much longer battery duration than Galaxy A21, because it has 5700mAh of battery capacity against 4000mAh.
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