Compare phones
| Global Score | |
| 72.2 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.3, 4.2, 4.1, 4.0.4 | Android 11 |
| 2012-06-04 | 2021-01-29 |
| 5.38 x 2.78 x 0.34 inches | 6.50 x 2.98 x 0.35 inches |
| 4.73 ounces | 8.04 ounces |
| Blue, Red and White | Phantom black and Silver |
| Polycarbonate | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 585.00 | $ 966.00 |
| Display / Screen | |
| 4.8 inches | 6.8 inches |
| 720 x 1280 pixels (HD) | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 306 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.2 | 9.8 |
| Performance | |
| Qualcomm Snapdragon S4 Plus MSM8960 chipset | Qualcomm Snapdragon 888 chipset |
| Krait (Dual-Core 1500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 2 GB (500 MHz) RAM | 12 GB RAM |
| Adreno 225 (400 MHz) GPU | Adreno 660 GPU |
| 8.46 | 9.72 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | No SD card slot |
| 6.16 | 10.1 |
| Camera | |
| 8.00 MP + 1.90 MP | 108.00 MP + 40.00 MP |
| f/2.60 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.33 inches (1/3") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.47 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 2100mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 199 hours standby time 8 hours talk time | -- |
| 4 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S21 Ultra is way better than the Galaxy S III AT&T, getting a score of 98.1 against 72.2. Both phones in this comparison include Android operating system, but the Galaxy S21 Ultra has 11 version while Galaxy S III AT&T has Android 4.3, offering lots of additional features. The Galaxy S21 Ultra construction is notably newer, but way heavier and a little bit thicker than Galaxy S III AT&T.
The Galaxy S21 Ultra has a more vivid display than Samsung Galaxy S III AT&T, because it has a lot better display pixel density, a way higher 1440 x 3200 resolution and a really larger screen. Galaxy S21 Ultra features a much greater memory capacity for games and applications than Samsung Galaxy S III AT&T, because although it has no SD memory card expansion slot, it also counts with 128 GB internal storage capacity.
Samsung Galaxy S21 Ultra counts with a superior processing unit than Samsung Galaxy S III AT&T, because although it has doesn't have an additional graphics co-processor, it also counts with 6 more processing cores and a larger amount of RAM. The Samsung Galaxy S21 Ultra features a greater camera than Samsung Galaxy S III AT&T, because it has a camera with a way higher 108 mega pixels resolution, a much bigger aperture to take better photos in low-light environments, a way bigger back-facing camera sensor taking more light and vivid colors and a lot better 7680x4320 video resolution.
The Galaxy S21 Ultra has a superior battery life than Samsung Galaxy S III AT&T, because it has 5000mAh of battery capacity.
The Galaxy S21 Ultra is way more expensive than Galaxy S III AT&T, but you can get a much better phone for that extra dollars.
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