| Global Score | |
| 72.8 | 76.1 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4 | Android 10 |
| 2013-09-04 | 2020-06-29 |
| 5.74 x 2.91 x 0.34 inches | 6.61 x 3.02 x 0.32 inches |
| 5.71 ounces | 6.81 ounces |
| Black, Purple and White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 239.00 | $ 194.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| TFT | IPS LCD |
| 441 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | Mediatek Helio P35 chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 2 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | PowerVR GE8320 GPU |
| 9.18 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.56 | 9.84 |
| Camera | |
| 20.70 MP + 2.00 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.43 inches (1/2.3") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (Full HD) 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, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM |
| 7 | 6.7 |
| Battery Life | |
| 3000mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 600 hours standby time 15 hours talk time | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Galaxy A21 has a general score of 76.1, which is a little bit better than Xperia Z1's 72.8 overall score. Both devices in this comparison review come with Android operating system, but Galaxy A21 has the older 10 version while Xperia Z1 has Android 4.4.4 version. The Galaxy A21 construction is a lot newer and a bit thinner, but heavier than Xperia Z1.
Samsung Galaxy A21 has a bit better CPU than Xperia Z1, because although it has doesn't have a graphics processing unit, it also counts with more RAM and more cpu cores. Sony Xperia Z1 features a way better screen than Samsung Galaxy A21, because although it has a really smaller display, it also counts with a better 1920 x 1080 resolution and a way greater display density.
The Samsung Galaxy A21 captures slightly better videos and photos than Xperia Z1, because although it has a much smaller camera sensor shooting way lower quality videos and photographs, a much less mega pixels back camera and a lower 1920x1080 (Full HD) video quality, it also counts with a larger diafragm aperture for better images and videos in low light situations.
Samsung Galaxy A21 has a much greater storage capacity to install applications and games than Sony Xperia Z1, and although they both have the same internal storage, the Samsung Galaxy A21 also has a slot for external memory cards that supports up to 512 GB. Samsung Galaxy A21 counts with superior battery life than Xperia Z1, because it has a 4000mAh battery size against 3000mAh.
The Galaxy A21 is not only the best devices between the ones we are comparing here, but it's also a bargain compared to the other devices, which makes it an easy decision.
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