Compare phones
| Global Score | |
| 72.9 | 77.7 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 10 |
| 2014-02-24 | 2020-06-19 |
| 5.78 x 2.89 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 5.75 ounces | 6.77 ounces |
| Black, Purple and White | Black, Blue, Red and White |
| Glass | -- |
| Scratch-Resistant Glass | -- |
| $ 500.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | TFT |
| 424 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | Samsung Exynos 850 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 10.78 |
| 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, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
Galaxy A21s is just a bit better than Xperia Z2, having a score of 77.7 against 72.9. The Galaxy A21s is a a lot newer phone than the Xperia Z2, although it's just a little bit thicker and somewhat heavier. Both of these devices have Android OS (operating system), but the Galaxy A21s has the older 10 version while Xperia Z2 has Android 4.4.4 version.
Xperia Z2 counts with a way better display than Samsung Galaxy A21s, because although it has a much smaller screen, it also counts with a much higher display pixel density and a better 1920 x 1080 resolution. The Sony Xperia Z2 has a bit better performance than Galaxy A21s, because although it has 4 less cpu cores (but faster), and they both have a 3 GB RAM memory, the Sony Xperia Z2 also counts with an extra GPU.
The Galaxy A21s takes a lot better pictures and videos than Xperia Z2, and although they both have the same 1920x1080 (Full HD) video resolution, a F2 aperture and the same video frame rate, the Galaxy A21s also has a back camera with way more megapixels and a bigger sensor providing a better image quality.
The Samsung Galaxy A21s has a much bigger storage to store more games and applications than Sony Xperia Z2, because it has 32 GB internal storage and a SD extension slot that admits a maximum of 512 GB. The Samsung Galaxy A21s features a superior battery lifetime than Xperia Z2, because it has a 56 percent more battery capacity.
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