Compare phones
| Global Score | |
| 72.3 | 76.1 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 10 |
| 2019-05-17 | 2020-06-29 |
| 6.40 x 2.99 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 7.27 ounces | 6.81 ounces |
| Almond, Mirror gray and Nebula blue | Black |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 302.00 | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 3120 x 1440 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 513 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Mediatek Helio P35 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 640 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 48.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.60 aperture | f/1.80 aperture |
| 17.00mm 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 |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.99 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | 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
Galaxy A21 is a bit better than OnePlus 7 Pro, with a score of 76.1 against 72.3. Galaxy A21's design is newer, just a bit thinner and just a little lighter than OnePlus 7 Pro. OnePlus 7 Pro has a bit superior CPU than Galaxy A21, and although they both have a Octa-Core CPU, the OnePlus 7 Pro also has a greater amount of RAM.
The OnePlus 7 Pro counts with a better looking screen than Galaxy A21, because it has a way better 1440 x 3120 resolution, a little bigger screen and a way higher pixel density. OnePlus 7 Pro has a lot better camera than Galaxy A21, because it has a lot bigger sensor, a lot better resolution camera in the back, a much higher 3840x2160 (4K) video quality and a bigger aperture for better low-light captures.
The OnePlus 7 Pro counts with a slightly better memory capacity for games and applications than Samsung Galaxy A21, because although it has no SD memory slot, it also counts with 128 GB internal storage capacity. Galaxy A21's battery life is very similar to the battery duration in OnePlus 7 Pro.
Even being the best phone of the ones we are comparing here, Samsung Galaxy A21 is also by far the cheapest, which makes it an obvious call.
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