| Global Score | |
| 77.3 | 98.1 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4 | Android 11 |
| 2014-09-03 | 2021-01-29 |
| 5.85 x 2.89 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 6.02 ounces | 8.04 ounces |
| Black and White | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 170.00 | $ 966.00 |
| Display / Screen | |
| 5.2 inches | 6.8 inches |
| 1080 x 1920 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 424 pixels per inch | 516 pixels per inch |
| 592 cd/m2 brightness | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.6 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 888 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (933 MHz) RAM | 12 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.45 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 10.1 |
| Camera | |
| 20.70 MP + 2.20 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 25.00mm focal length | 24.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.34 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 3200mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 920 hours standby time 21 hours talk time | -- |
| 5.2 | 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 |
The Galaxy S21 Ultra is much better than the Sony Xperia Z3, having a 98.1 score against 77.3. The Galaxy S21 Ultra is a incredibly heavier cellphone than the Sony Xperia Z3, but both of them are 0.35inches thick. Both of these devices work with Android OS, but the Galaxy S21 Ultra has the previous 11 version while Sony Xperia Z3 has Android 4.4.4.
Samsung Galaxy S21 Ultra features a slightly better looking display than Xperia Z3, because it has a little more pixels per display inch, a lot larger screen, much more brightness and a way higher 1440 x 3200px resolution. Galaxy S21 Ultra has a way bigger memory capacity to install applications and games or saving photos and videos than Sony Xperia Z3, because although it has no SD memory slot, it also counts with 128 GB internal memory capacity.
The Galaxy S21 Ultra features just a little better hardware performance than Sony Xperia Z3, because although it has doesn't have an additional graphics co-processor, it also counts with a larger amount of RAM memory and more CPU cores. The Samsung Galaxy S21 Ultra features a much better battery duration than Sony Xperia Z3, because it has a 56 percent larger battery capacity.
The Samsung Galaxy S21 Ultra features a way better camera than Xperia Z3, because it has a bigger aperture, a much better 108 megapixels resolution back-facing camera, a lot larger back camera sensor and a way higher 7680x4320 video definition.
Although Samsung Galaxy S21 Ultra is a better device, it is way more expensive than the Sony Xperia Z3, and it doesn't have such a good relation between it's price and quality as the Sony Xperia Z3. If you prefer to save a few dollars, you can buy the Sony Xperia Z3, letting go some specs and features, but you'll get the most out of your money.
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