| Global Score | |
| 76.1 | 77.3 |
| Basic Information | |
| Samsung | Sony |
| Android 10 | Android 4.4.4 |
| 2020-06-29 | 2014-09-03 |
| 6.61 x 3.02 x 0.32 inches | 5.85 x 2.89 x 0.35 inches |
| 6.81 ounces | 6.02 ounces |
| Black | Black and White |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 170.00 |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 1600 x 720 pixels | 1080 x 1920 pixels (Full HD) |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 424 pixels per inch |
| -- | 592 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 7.3 | 9.6 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 3 GB RAM | 3 GB (933 MHz) RAM |
| PowerVR GE8320 GPU | Adreno 330 (450 MHz) GPU |
| 9.27 | 9.45 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 9.84 | 8.12 |
| Camera | |
| 16.00 MP + 13.00 MP | 20.70 MP + 2.20 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 25.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.35 | 10.34 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3200mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| -- | 920 hours standby time 21 hours talk time |
| 5.92 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Sony Xperia Z3 is a bit better than Samsung Galaxy A21, getting a overall score of 77.3 against 76.1. The Sony Xperia Z3 construction is somewhat lighter than the Samsung Galaxy A21, although it is a little thicker and was released many years before. These phones work with Android OS (Operating System), but the Sony Xperia Z3 has a more recent 4.4.4 version while Samsung Galaxy A21 has Android 10 version, offering a couple additional features and some performance improvements.
Sony Xperia Z3 features an incredibly better display than Galaxy A21, because although it has a really smaller screen, it also counts with a better 1920 x 1080 resolution and a way greater screen density. The Galaxy A21 features much more memory to install applications and games than Xperia Z3, and although they both have the same internal storage, the Galaxy A21 also has an external memory card slot that supports a maximum of 512 GB.
The Xperia Z3 has a bit superior CPU than Samsung Galaxy A21, because although it has less processing cores , and they both have 3 GB of RAM memory, the Xperia Z3 also counts with a graphics processing unit. Samsung Galaxy A21 features superior battery duration than Xperia Z3, because it has a 4000mAh battery size.
Xperia Z3 captures much better videos and photos than Galaxy A21, because although it has a tinier camera aperture which is not favorable for capturing photographs and/or video in poorly lited situations, it also counts with a much more mega-pixels back camera, a lot better 3840x2160 (4K) video quality and a way bigger sensor.
In addition to being the best phone of the ones we are comparing, the Sony Xperia Z3 is also the cheapest one, which makes buying this phone a simple decision.
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