Compare phones
| Global Score | |
| 73 | 86.5 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.2 | Android 11, 10 |
| -- | 2020-03-05 |
| 5.39 x 2.83 x 0.43 inches | 6.27 x 2.96 x 0.35 inches |
| 5.75 ounces | 6.74 ounces |
| Black, Blue and White | Black, Blue and Red |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 801 8974-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 + 0.30 MP | 64.00 MP + 32.00 MP |
| -- | 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 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.24 | 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 | |
| 3000mAh Li-Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 690 hours standby time 15 hours talk time | -- |
| 4.96 | 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
Galaxy M31 has a general score of 86.5, which is better than Xperia Z2a's 73 score. Both phones in this comparison review include Android OS, but Galaxy M31 has the older 11 version and Xperia Z2a has Android 4.4.2. The Galaxy M31 is a somewhat heavier but thinner phone than the Xperia Z2a. The Galaxy M31 has just a little better hardware performance than Xperia Z2a, because although it has doesn't have a GPU, it also counts with more cpu cores and more RAM.
Sony Xperia Z2a features just a bit better display than Galaxy M31, because although it has a bit worse resolution of 1920 x 1080 pixels and a way smaller display, it also counts with a quite greater count of pixels in each inch of display. The Galaxy M31 counts with a lot better camera than Xperia Z2a, and although they both have the same 3840x2160 video resolution and the same 30 fps video frame rates, the Galaxy M31 also has a lot bigger camera sensor and a back facing camera with a much higher resolution.
Samsung Galaxy M31 has a much bigger memory capacity to store more games and applications than Xperia Z2a, because it has a SD memory slot that admits up to 512 GB and more internal storage capacity. Samsung Galaxy M31 has a really longer battery life than Xperia Z2a, because it has a 6000mAh battery size against 3000mAh.
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