Compare phones
| Global Score | |
| 11.67 | 9.29 |
| Basic Information | |
| Samsung | Sony |
| Android 11 | Android 5.1 |
| 2021-01-29 | 2015-09-02 |
| 6.50 x 2.98 x 0.35 inches | 5.75 x 2.83 x 0.29 inches |
| 8.04 ounces | 5.43 ounces |
| Phantom black and Silver | Black, Gold, Green and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 409.00 |
| Display / Screen | |
| 6.8 inches | 5.2 inches |
| 3200 x 1440 pixels | 1080 x 1920 pixels (Full HD) |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 424 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 9.8 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 810 MSM8994 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 660 GPU | Adreno 430 (450 MHz) GPU |
| 9.72 | 9.36 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 200 GB) external memory slot |
| 10.1 | 8.56 |
| Camera | |
| 108.00 MP + 40.00 MP | 23.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 24.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (60 fps) (HD) slow motion video |
| 13.75 | 10.56 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 7.1 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 2900mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| -- | 520 hours standby time 13.2 hours talk time |
| 4.96 | 4.4 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.1 |
| 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 much better than the Sony Xperia Z5, having a general score of 11.67 against 9.29. Both of these phones include Android OS (operating system), but the Galaxy S21 Ultra has newer 11 version and Sony Xperia Z5 has Android 5.1 version, so it gives you a couple nice extra features and increased performance. Although the Galaxy S21 Ultra is a lot newer than Sony Xperia Z5, it is much heavier and thicker.
The Samsung Galaxy S21 Ultra counts with a little bit better processing power than Sony Xperia Z5, because although it has doesn't have an extra graphics processor, and they both have 8 CPU cores, the Samsung Galaxy S21 Ultra also counts with 9 GB more RAM memory. The Samsung Galaxy S21 Ultra has a little sharper screen than Xperia Z5, because it has a lot higher resolution of 1440 x 3200 pixels, a really bigger display and a just a bit higher screen pixel density.
The Galaxy S21 Ultra counts with a lot better camera than Xperia Z5, and although they both have a same size camera aperture, the Galaxy S21 Ultra also has a lot bigger camera sensor which gives a lot higher image and video quality, a lot better video definition and a much more mega-pixels back-facing camera.
Galaxy S21 Ultra has a bigger storage for games and applications than Xperia Z5, because although it has no slot for SD memory cards, it also counts with 128 GB internal memory. Galaxy S21 Ultra features greater battery life than Sony Xperia Z5, because it has 5000mAh of battery capacity against 2900mAh.
The Galaxy S21 Ultra is way more expensive than Xperia Z5, but it's still a great choice, as you can get a lot more for that extra money.