Compare phones
| Global Score | |
| 88.3 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-03-08 | 2021-01-29 |
| 5.90 x 2.77 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 5.54 ounces | 6.03 ounces |
| Flamingo pink, Prism black, Prism blue, Prism green and Prism white | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 281.00 | $ 722.00 |
| Display / Screen | |
| 6.1 inches | 6.2 inches |
| 3040 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | Dynamic AMOLED |
| 551 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 12.00 MP + 10.00 MP |
| f/1.50 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.23 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3400mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.36 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 has an overall score of 91.8, which is a bit better than the Galaxy S10's 88.3 global score. These devices include the same Android 11 OS (Operating System). Galaxy S21 is a a bit heavier cellphone than Galaxy S10, but both of them are equally thin. The Galaxy S21's CPU is very similar to Galaxy S10's processor, both have 8 processing cores and 8 GB of RAM.
Galaxy S21 features a bit more vivid display than Galaxy S10, because although it has a much lower 1080 x 2400 pixels resolution and a little bit lower screen pixel density, it also counts with a bit bigger display. Galaxy S10 features a way bigger storage to store more apps and games than Samsung Galaxy S21, and although they both have the same internal storage, the Galaxy S10 also has a SD card slot that allows a maximum of 512 GB.
The Galaxy S21 features better battery lifetime than Samsung Galaxy S10, because it has an 18% bigger battery size. Samsung Galaxy S21 features a bit better camera than Galaxy S10, because although it has a smaller camera aperture which is not nice for shooting images or video in low-light environments, and they both have a same resolution camera, the Samsung Galaxy S21 also counts with a much larger sensor shooting lot higher quality photographs and a much higher 7680x4320 video definition.
Although Galaxy S21 is a better device, it costs a lot more than Samsung Galaxy S10, and it doesn't have such a good quality/price relation as Samsung Galaxy S10. If you prefer to save some dollars, you can get the Samsung Galaxy S10, and give up some specs and features, but you will get the most with your budget.
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