Compare phones
| Global Score | |
| 72 | 91.8 |
| Basic Information | |
| Samsung | |
| Android 11 | Android 11 |
| 2021-04-28 | 2021-01-29 |
| 6.40 x 2.94 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 6.53 ounces | 6.03 ounces |
| Supersonic Black and Supersonic blue | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 405 pixels per inch | 424 pixels per inch |
| 600 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.2 |
| Performance | |
| MediaTek Dimensity 700 MT6833V chipset | Qualcomm Snapdragon 888 chipset |
| Cortex-A76, 64-bit, 7 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G57 GPU | Adreno 660 GPU |
| 9.18 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.56 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 is a lot better than realme 8 5G, with a 91.8 score against 72. The Galaxy S21 construction is a bit lighter and a little bit thinner than realme 8 5G, even though both were only released with a few months difference. Both of these devices come with the same Android 11 OS, so they should offer all the same OS features.
The Galaxy S21 has just a bit better hardware performance than realme 8 5G, and although they both have 8 processing cores, the Galaxy S21 also has a larger amount of RAM. The Galaxy S21 features a bit sharper screen than realme 8 5G, because although it has a little bit smaller display, and they both have the same resolution of 1080 x 2400, the Galaxy S21 also counts with way more brightness and a little better pixel density.
Realme 8 5G counts with a way bigger memory capacity for applications and games than Galaxy S21, and although they both have exactly the same internal memory capacity, the realme 8 5G also has an external SD slot that allows a maximum of 1 TB. The realme 8 5G features superior battery life than Samsung Galaxy S21, because it has 5000mAh of battery capacity.
The Galaxy S21 features a little bit better camera than realme 8 5G, because although it has a way worse resolution back facing camera, and they both have the same aperture, the Galaxy S21 also counts with a way better video definition.
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