| Global Score | |
| 77.9 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 13 | Android 11 |
| -- | 2021-01-29 |
| 5.75 x 2.78 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| -- | 8.04 ounces |
| -- | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.1 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 422 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 9.8 |
| 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 | 12 GB RAM |
| Adreno 740 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| 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 | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | 24.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.75 inches (1/1.33") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.12 | 13.75 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.84 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| 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 |
The Galaxy S21 Ultra is a lot better than the Samsung Galaxy S23, with a 98.1 score against 77.9. Both phones in this comparison review come with Android operating system, but Galaxy S21 Ultra has the older 11 version while Samsung Galaxy S23 has Android 13. Samsung Galaxy S21 Ultra features a lot better hardware performance than Galaxy S23, and although they both have 8 CPU cores, the Samsung Galaxy S21 Ultra also has a larger amount of RAM.
The Galaxy S21 Ultra counts with a lot better looking screen than Galaxy S23, because it has a higher 1440 x 3200 resolution, a little greater display pixel density and a little bit bigger screen. Galaxy S21 Ultra's storage for applications, games, photos and videos is just as good as the Galaxy S23 one, both have the same internal storage.
Samsung Galaxy S21 Ultra counts with superior battery duration than Samsung Galaxy S23, because it has a 5000mAh battery size against 3900mAh. Samsung Galaxy S21 Ultra takes much clearer pictures and videos than Samsung Galaxy S23, and although they both have the same aperture, the Samsung Galaxy S21 Ultra also has a bigger back-facing camera sensor shooting better quality videos and photos and a much better resolution camera in the back.
Despite our efforts to provide accurate information in our reviews and specs, there may be errors or missing information in this website, please check the specifications the brand or seller provide with the product before you buy it. We are not responsible for any inconvinience resulting on the use of this website's information.
Certain content that appears on this site comes from Amazon Services LLC. This content is provided 'as is' and is subject to change or removal at any time.