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Global Score
11.679.24
Basic Information
SamsungSony
Android 11Android 4.4.4
2021-01-292014-09-03
6.50 x 2.98 x 0.35 inches5.85 x 2.89 x 0.35 inches
8.04 ounces6.02 ounces
Phantom black and SilverBlack and White
Aluminum and Glass (Corning Gorilla Glass Victus)--
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 170.00
Display / Screen
6.8 inches5.2 inches
3200 x 1440 pixels 1080 x 1920 pixels (Full HD)
Dynamic AMOLED IPS LCD
516 pixels per inch424 pixels per inch
1500 cd/m2 brightness592 cd/m2 brightness
No touch screenCapacitive, Multi-touch
9.89.6
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 801 8974-AC chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKrait 400 (Quad-Core 2500 MHz) processor
12 GB RAM3 GB (933 MHz) RAM
Adreno 660 GPUAdreno 330 (450 MHz) GPU
9.729.45
Storage
128 GB internal memory32 GB internal memory
No SD card slotmicroSD, microSDHC, microSDXC (up to 128 GB) external memory slot
10.18.12
Camera
108.00 MP + 40.00 MP20.70 MP + 2.20 MP
f/1.80 aperturef/2.00 aperture
24.00mm focal length25.00mm focal length
0.75 inches (1/1.33") sensor0.43 inches (1/2.3") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1280 x 720 (120 fps) (HD) slow motion video
13.7510.34
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM
Nano SIMNano SIM
10.77
Battery Life
5000mAh Li - Polymer Battery3200mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless ChargingWireless Charging
--920 hours standby time
21 hours talk time
4.964.64
Other Features
Bluetooth 5.1 Bluetooth 4.0
GPSGPS
NFCNFC
Fingerprint ID Scanner--
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Samsung Galaxy S21 Ultra has a general score of 11.67, which is a lot better than the Xperia Z3's general score of 9.24. Samsung Galaxy S21 Ultra is a incredibly heavier cellphone than the Xperia Z3, but both have the same thickness. These phones have Android OS, but Samsung Galaxy S21 Ultra has older 11 version while Xperia Z3 has Android 4.4.4 version.

The Samsung Galaxy S21 Ultra has a bit better looking screen than Xperia Z3, because it has a way better resolution of 1440 x 3200px, a just a little higher count of pixels in each screen inch, a really bigger screen and much more brightness. Samsung Galaxy S21 Ultra has a much bigger memory for applications and games than Xperia Z3, because although it has no SD card slot, it also counts with more internal storage.

The Galaxy S21 Ultra has a little bit better performance than Xperia Z3, because although it has doesn't have a GPU, it also counts with more RAM and more cpu cores. Samsung Galaxy S21 Ultra takes way better photographs and videos than Sony Xperia Z3, because it has a larger aperture, a much better 7680x4320 video quality, a way larger back camera sensor providing a way better image quality and a back-facing camera with way more megapixels.

Galaxy S21 Ultra counts with a bit better battery performance than Sony Xperia Z3, because it has 5000mAh of battery capacity instead of 3200mAh.

Although Galaxy S21 Ultra is a better device, it costs a lot more than the Xperia Z3, and it doesn't have such a good price and quality relation as Xperia Z3. If you want to save some money, you can buy Xperia Z3, letting go a few features and specifications, but you will get the most out of your money.