Compare phones
| Global Score | |
| 79.8 | 84.1 |
| Basic Information | |
| OnePlus | Samsung |
| Android 10, 9.0 Pie | Android 11, 10 |
| 2019-05-30 | 2020-03-23 |
| 6.40 x 2.99 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 7.27 ounces | 6.63 ounces |
| Almond, Mirror gray and Nebula blue | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 3120 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 513 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.60 aperture | f/2.00 aperture |
| 17.00mm 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.99 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 is a little bit better than the OnePlus 7 Pro 5G, with a score of 84.1 against 79.8. The Galaxy M21 is a a little lighter phone than the OnePlus 7 Pro 5G, but both of them are 0.35inches thick. These phones work with Android operating system, but the Galaxy M21 has a more recent 11 version while OnePlus 7 Pro 5G has Android 10, so it counts with lots of additional features and performance improvements.
OnePlus 7 Pro 5G counts with a bit sharper screen than Galaxy M21, because it has a little bit larger display, a better display density and a higher resolution of 1440 x 3120 pixels. OnePlus 7 Pro 5G has a better memory for games and applications than Galaxy M21, because although it has no slot for SD memory cards, it also counts with 256 GB internal memory.
The OnePlus 7 Pro 5G counts with a bit better processing unit than Galaxy M21, and although they both have a Octa-Core processor, the OnePlus 7 Pro 5G also has a larger amount of RAM memory. OnePlus 7 Pro 5G counts with a slightly better camera than Samsung Galaxy M21, and although they both have the same 3840x2160 video resolution, a same resolution back-facing camera and a same size sensor, the OnePlus 7 Pro 5G also has better 60 fps video frame rates and a larger camera aperture for better low light images and videos.
Galaxy M21 counts with a very superior battery life than OnePlus 7 Pro 5G, because it has a 6000mAh battery capacity instead of 4000mAh.
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