Compare phones
| Global Score | |
| 72.2 | 77.7 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11, 10 | Android 10 |
| 2019-10-18 | 2020-06-19 |
| 6.34 x 2.93 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.70 ounces | 6.77 ounces |
| Frosted silver and Glacier blue | Black, Blue, Red and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | -- |
| $ 248.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 405 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.72 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| f/1.60 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 11.99 | 10.78 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3800mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
Samsung Galaxy A21s is a little bit better than OnePlus 7T, getting a score of 77.7 against 72.2. Despite being the best cellphone in this review, Samsung Galaxy A21s is an a bit heavier and just a little thicker cellphone than OnePlus 7T. Both phones in this comparison review work with Android OS (operating system), but Samsung Galaxy A21s has the older 10 version while OnePlus 7T has Android 11.
OnePlus 7T counts with a more vivid screen than Galaxy A21s, and although they both have a same size display, the OnePlus 7T also has a greater display pixels density and a lot better resolution of 1080 x 2400 pixels. The OnePlus 7T counts with a slightly better memory to install applications and games than Samsung Galaxy A21s, because although it has no external memory slot, it also counts with 96 GB more internal memory.
OnePlus 7T counts with a bit better processor than Galaxy A21s, and although they both have 8 CPU cores, the OnePlus 7T also has a higher amount of RAM memory. The OnePlus 7T features a much better camera than Galaxy A21s, and although they both have a same resolution back facing camera and a same size back-facing camera sensor, the OnePlus 7T also has a larger camera aperture and a much higher video quality.
Galaxy A21s features better battery performance than OnePlus 7T, because it has a 32 percent bigger battery size.
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