Compare phones
| Global Score | |
| 73 | 98.1 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.2 | Android 11 |
| -- | 2021-01-29 |
| 5.39 x 2.83 x 0.43 inches | 6.50 x 2.98 x 0.35 inches |
| 5.75 ounces | 8.04 ounces |
| Black, Blue and White | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | $ 966.00 |
| Display / Screen | |
| 5 inches | 6.8 inches |
| 1080 x 1920 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 441 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AB chipset | Qualcomm Snapdragon 888 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 6.72 | 10.1 |
| Camera | |
| 20.70 MP + 0.30 MP | 108.00 MP + 40.00 MP |
| -- | 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 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.24 | 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 |
| Micro SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 3000mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 690 hours standby time 15 hours talk time | -- |
| 4.96 | 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
The Galaxy S21 Ultra is way better than the Xperia Z2a, with a 98.1 score against 73. The Galaxy S21 Ultra is a extremely heavier but thinner phone than Xperia Z2a. Both phones in this comparison review use Android OS (Operating System), but Galaxy S21 Ultra has older 11 version and Xperia Z2a has Android 4.4.2 version.
Galaxy S21 Ultra has just a bit better looking screen than Sony Xperia Z2a, because it has a much higher resolution of 1440 x 3200 pixels, a little more pixels per screen inch and a really larger display. Galaxy S21 Ultra has just a bit better performance than Sony Xperia Z2a, because although it has doesn't have an additional GPU, it also counts with more RAM memory and more cores.
The Samsung Galaxy S21 Ultra has a very superior memory capacity for applications and games than Xperia Z2a, because although it has no external SD slot, it also counts with 128 GB internal storage capacity. Galaxy S21 Ultra counts with a way better battery duration than Sony Xperia Z2a, because it has a 67 percent more battery capacity.
The Samsung Galaxy S21 Ultra has a greater camera than Xperia Z2a, because it has a much better 7680x4320 video quality, a way larger sensor and a camera in the back with much more megapixels.
Samsung Galaxy S21 Ultra costs a lot more money than the Xperia Z2a, but it's still a good choice, because you can get a better phone for that extra money.
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