Compare phones
| Global Score | |
| 72.9 | 76.1 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 10 |
| 2014-02-24 | 2020-06-29 |
| 5.78 x 2.89 x 0.32 inches | 6.61 x 3.02 x 0.32 inches |
| 5.75 ounces | 6.81 ounces |
| Black, Purple and White | Black |
| Glass | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 500.00 | $ 194.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | Mediatek Helio P35 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 16 GB internal memory | 32 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.72 | 9.84 |
| Camera | |
| 20.70 MP + 2.20 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A21 is a little bit better than the Sony Xperia Z2, with a general score of 76.1 against 72.9. These devices come with Android operating system, but the Samsung Galaxy A21 has an older 10 version and Sony Xperia Z2 has Android 4.4.4 version. The Samsung Galaxy A21 is a heavier device than the Sony Xperia Z2, but they have the same thickness.
The Galaxy A21 features a processor that is just as good as Xperia Z2's processing unit, because although the Galaxy A21 has doesn't have an extra graphics processing unit, and they both have 3 GB of RAM, it also counts with a greater number of cores. Sony Xperia Z2 counts with a lot better screen than Galaxy A21, because although it has a much smaller screen, it also counts with a higher resolution of 1920 x 1080px and a much greater pixels density.
Galaxy A21 features a much bigger storage to store more games and applications than Sony Xperia Z2, because it has a slot for external memory cards that supports up to 512 GB and 16 GB more internal memory capacity. The Samsung Galaxy A21 counts with better battery duration than Xperia Z2, because it has a 4000mAh battery size against 3200mAh.
The Galaxy A21 has just a bit better camera than Xperia Z2, because although it has a much lower 1920x1080 (Full HD) video definition, a way less mega-pixels back facing camera and a lot tinier camera sensor giving a way lower image quality, it also counts with a larger aperture.
Galaxy A21 is not only the best phones of the ones we are comparing, but it's also a bargain compared to others.
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