Compare phones
| Global Score | |
| 72.9 | 86.5 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 11, 10 |
| 2014-02-24 | 2020-03-05 |
| 5.78 x 2.89 x 0.32 inches | 6.27 x 2.96 x 0.35 inches |
| 5.75 ounces | 6.74 ounces |
| Black, Purple and White | Black, Blue and Red |
| Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | Exynos 9611 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.72 | 11.74 |
| Camera | |
| 20.70 MP + 2.20 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.8 | 12.1 |
| 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 | 6000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 7.52 |
| 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 M31 has a global score of 86.5, which is much better than Sony Xperia Z2's general score of 72.9. The Galaxy M31 construction is way newer, but just a little bit thicker and somewhat heavier than Sony Xperia Z2. These devices have Android OS (Operating System), but the Galaxy M31 has an older 11 version while Sony Xperia Z2 has Android 4.4.4 version.
The Galaxy M31 features a little bit better processing power than Xperia Z2, because although it has doesn't have an additional graphics co-processor, it also counts with a higher amount of RAM memory and a greater number of 2.3 gigahertz cores. Sony Xperia Z2 counts with a little sharper screen than Samsung Galaxy M31, because although it has a little bit smaller display and a bit worse resolution of 1920 x 1080, it also counts with a just a bit better pixel quantity in each inch in the display.
Galaxy M31 features a very superior camera than Sony Xperia Z2, and although they both have the same video frame rate and the same video quality, the Galaxy M31 also has a bigger camera aperture, a lot bigger back camera sensor which provides a much better image and video quality and a lot better 64 MP resolution back-facing camera.
Galaxy M31 counts with much more memory to install applications and games than Xperia Z2, because it has a SD memory slot that supports a maximum of 512 GB and more internal storage capacity. The Samsung Galaxy M31 has a superior battery performance than Xperia Z2, because it has 6000mAh of battery capacity against 3200mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.