Compare phones
| Global Score | |
| 77.9 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 13 | Android 11 |
| -- | 2021-01-29 |
| 5.75 x 2.78 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| -- | 6.03 ounces |
| -- | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.1 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 422 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 740 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 10.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.57 inches (1/1.76") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.12 | 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 | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 3900mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.84 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Samsung Galaxy S21 is better than the Samsung Galaxy S23, having a 91.8 score against 77.9. Both of these phones use Android OS (Operating System), but the Samsung Galaxy S21 has older 11 version and Samsung Galaxy S23 has Android 13. Samsung Galaxy S21 counts with a much more vibrant display than Samsung Galaxy S23, because it has a bit higher resolution of 1080 x 2400 pixels, a little bigger screen and a just a bit higher screen density.
Galaxy S21 features a much powerful CPU than Samsung Galaxy S23. Both have the same RAM memory amount and the same number of cores. The Galaxy S21 has as much storage for apps and games as Galaxy S23, both have equal internal storage capacity. Galaxy S21 has a bit longer battery lifetime than Galaxy S23, because it has a 3% larger battery size.
Samsung Galaxy S21 takes clearer videos and photos than Galaxy S23, although it has a tinier sensor which offers a worse photo and video quality and a much lower resolution camera, they both have the same camera aperture.
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