Compare phones
| Global Score | |
| 91.8 | 77.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 13 |
| 2021-01-29 | -- |
| 5.97 x 2.80 x 0.31 inches | 5.75 x 2.78 x 0.30 inches |
| 6.03 ounces | -- |
| Gray, Phantom pink, Violet and White | -- |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.1 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 422 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 7.6 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 740 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 50.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 10.12 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3900mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 5.84 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S21 is better than the Galaxy S23, having a 91.8 score against 77.9. Both phones we are comparing here come with Android OS (Operating System), but the Samsung Galaxy S21 has the older 11 version and Galaxy S23 has Android 13 version. Galaxy S21 features a much better looking display than Samsung Galaxy S23, because it has a bit better count of pixels in each inch of display, a bit higher 1080 x 2400 resolution and a bit larger display.
The Samsung Galaxy S21 counts with a much more powerful processor than Galaxy S23. They have a Octa-Core processor and the same RAM amount. Galaxy S23 features as much memory capacity for games and applications as Galaxy S21, both have equal internal memory. The Samsung Galaxy S21 has a little bit better camera than Samsung Galaxy S23, although it has a way worse 12 megapixels resolution camera and a smaller back-facing camera sensor offering a worse image quality, they both have the same aperture.
The Galaxy S21 counts with a little longer battery lifetime than Samsung Galaxy S23, because it has 4000mAh of battery capacity instead of 3900mAh.
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