Compare phones
| Global Score | |
| 72.9 | 91.8 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 11 |
| 2014-02-24 | 2021-01-29 |
| 5.78 x 2.89 x 0.32 inches | 5.97 x 2.80 x 0.31 inches |
| 5.75 ounces | 6.03 ounces |
| Black, Purple and White | Gray, Phantom pink, Violet and White |
| Glass | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | $ 722.00 |
| Display / Screen | |
| 5.2 inches | 6.2 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 424 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-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 | 8 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| 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 + 2.20 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.8 | 10.78 |
| 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 | |
| 3200mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| 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 has an overall score of 91.8, which is much better than the Xperia Z2's 72.9 general score. These phones work with Android OS, but Galaxy S21 has the previous 11 version and Xperia Z2 has Android 4.4.4 version. Galaxy S21's construction is newer and just a bit thinner than Xperia Z2's, although it is also just a little heavier.
The Galaxy S21 has a little faster processing unit than Sony Xperia Z2, because although it has doesn't have a graphics co-processor, it also counts with a greater amount of RAM memory and a larger number of cores. Galaxy S21 has a slightly better looking display than Xperia Z2, and although they both have the same display density, the Galaxy S21 also has a bigger display and a slightly better 1080 x 2400 resolution.
Galaxy S21 has a superior storage capacity for apps and games than Xperia Z2, because although it has no slot for an external memory card, it also counts with 112 GB more internal memory capacity. Samsung Galaxy S21 takes a lot better photos and videos than Xperia Z2, because although it has a lot less mega-pixels resolution back-facing camera, it also counts with a way larger back camera sensor, a much better 7680x4320 video resolution and a bigger camera aperture.
Samsung Galaxy S21 features improved battery life than Sony Xperia Z2, because it has a 4000mAh battery size.
The Galaxy S21 is way more expensive than Xperia Z2, but it's still a great choice, as you can get a much better phone for that extra money.
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