Compare phones
| Global Score | |
| 72.9 | 90.8 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 11, 10 |
| 2014-02-24 | 2020-04-29 |
| 5.78 x 2.89 x 0.32 inches | 6.26 x 2.90 x 0.34 inches |
| 5.75 ounces | 6.60 ounces |
| Black, Purple and White | Prism cube black |
| Glass | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | $ 339.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | Samsung Exynos 980 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G76 MP5 GPU |
| 9.27 | 9.27 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 6.72 | 15.38 |
| Camera | |
| 20.70 MP + 2.20 MP | 48.00 MP + 32.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.8 | 11.55 |
| 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 | 4500mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 6.32 |
| 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 Galaxy A51 5G is much better than Xperia Z2, with a 90.8 score against 72.9. These phones work with Android operating system, but the Galaxy A51 5G has the older 11 version while Xperia Z2 has Android 4.4.4. Galaxy A51 5G's construction is incredibly newer, but somewhat heavier and just a bit thicker than the Xperia Z2.
Samsung Galaxy A51 5G's processor is just as good as the processing unit in Sony Xperia Z2, because although the Samsung Galaxy A51 5G has doesn't have an additional graphics co-processor, it also counts with a greater amount of RAM memory and a larger number of cores (but slower). Sony Xperia Z2 counts with a brighter display than Galaxy A51 5G, because although it has a little bit lower resolution of 1920 x 1080 pixels and a much smaller display, it also counts with a just a little greater pixel density.
The Galaxy A51 5G captures way better videos and photos than Xperia Z2, and although they both have the same video frame rates, the same (4K) video resolution and a F2 diafragm aperture, the Galaxy A51 5G also has a bigger camera sensor capturing higher quality videos and photos and a much better resolution back camera.
The Samsung Galaxy A51 5G counts with a lot bigger storage to install applications and games or saving photos and videos than Xperia Z2, because it has a slot for an external memory card that admits a maximum of 1000 GB and 128 GB internal memory. The Galaxy A51 5G features a much longer battery performance than Sony Xperia Z2, because it has 4500mAh of battery capacity.
In addition to being the best phone of the ones we are comparing here, Samsung Galaxy A51 5G is also a bargain compared to others.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.