Compare phones
| Global Score | |
| 69.5 | 76.1 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 10 |
| 2017-11-21 | 2020-06-29 |
| 6.15 x 2.95 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.71 ounces | 6.81 ounces |
| Black, Red and White | Black |
| Aluminum | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 559.00 | $ 194.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 402 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Mediatek Helio P35 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 540 GPU | PowerVR GE8320 GPU |
| 9.45 | 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 | |
| 16.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 10.01 | 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 | |
| 3300mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 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
The Samsung Galaxy A21 is a little bit better than OnePlus 5T, getting a 76.1 score against 69.5. The Samsung Galaxy A21 body is noticeably newer, but a little thicker and heavier than OnePlus 5T. OnePlus 5T features a sharper screen than Samsung Galaxy A21, because although it has a little smaller display, it also counts with a better number of pixels per inch of screen and a much higher resolution of 1080 x 2160.
OnePlus 5T has just a bit better performance than Galaxy A21, and although they both have a Octa-Core processing unit, the OnePlus 5T also has more RAM memory. The OnePlus 5T features a slightly better memory capacity to install applications and games than Galaxy A21, because although it has no slot for an external memory card, it also counts with 96 GB more internal storage capacity.
The Galaxy A21 features superior battery life than OnePlus 5T, because it has a 4000mAh battery capacity instead of 3300mAh. OnePlus 5T takes a little bit better pictures and videos than Galaxy A21, and although they both have a 16 mega-pixels camera, the OnePlus 5T also has a way higher 3840x2160 video resolution, a bigger back-facing camera sensor shooting higher quality videos and pictures and a larger aperture to capture better images in low light environments.
In addition to being the best phone of the ones we compare here, the Galaxy A21 is also a bargain compared to the other ones, which makes it an easy decision.
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