| Global Score | |
| 79.8 | 98.1 |
| Basic Information | |
| Sony | Samsung |
| Android 5.1 | Android 11 |
| 2015-09-02 | 2021-01-29 |
| 6.08 x 2.99 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| 6.35 ounces | 8.04 ounces |
| Black, Gold and Gray | Phantom black and Silver |
| Glass and Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 545.00 | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 2160 x 3840 pixels (4K) | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 801 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 10.6 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (1600 MHz) RAM | 12 GB RAM |
| Adreno 430 (450 MHz) GPU | Adreno 660 GPU |
| 9.36 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 8.56 | 10.1 |
| Camera | |
| 23.00 MP + 5.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 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 (60 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.56 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 7.1 | 10.7 |
| Battery Life | |
| 3430mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 630 hours standby time 15.2 hours talk time | -- |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | 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 | FM Radio |
The Samsung Galaxy S21 Ultra has an overall score of 98.1, which is a lot better than Xperia Z5 Premium's 79.8 global score. Although the Samsung Galaxy S21 Ultra is way newer than the Xperia Z5 Premium, it is somewhat thicker and way heavier. Both phones in our current comparison come with Android OS, but the Samsung Galaxy S21 Ultra has a more recent 11 version while Xperia Z5 Premium has Android 5.1 version, offering some additional features and optimized performance.
Xperia Z5 Premium counts with a bit better looking screen than Samsung Galaxy S21 Ultra, because although it has a little smaller screen, it also counts with a lot more pixels per inch in the display and a higher resolution of 3840 x 2160 pixels. Samsung Galaxy S21 Ultra has a little faster CPU than Xperia Z5 Premium, because although it has doesn't have an extra graphics processor, and they both have 8 cores, the Samsung Galaxy S21 Ultra also counts with a higher amount of RAM memory.
The Samsung Galaxy S21 Ultra has a greater storage capacity for games and applications than Xperia Z5 Premium, because although it has no external memory slot, it also counts with 128 GB internal storage. The Galaxy S21 Ultra counts with a very superior battery lifetime than Xperia Z5 Premium, because it has a 5000mAh battery size instead of 3430mAh.
The Galaxy S21 Ultra features a lot better camera than Xperia Z5 Premium, and although they both have a F1.8 aperture, the Galaxy S21 Ultra also has a camera with a lot better 108 MP resolution, a much larger back-facing camera sensor capturing much higher quality videos and photos and a lot better 7680x4320 video definition.
The Galaxy S21 Ultra costs a lot more money than the Sony Xperia Z5 Premium, but you can get a much better phone for that few more dollars.
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