Compare phones
| Global Score | |
| 73 | 87.7 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.2 | Android 10 |
| -- | 2020-09-11 |
| 5.39 x 2.83 x 0.43 inches | 6.45 x 3.00 x 0.37 inches |
| 5.75 ounces | 7.51 ounces |
| Black, Blue and White | Black and White |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | -- |
| Display / Screen | |
| 5 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED Plus |
| 441 pixels per inch | 385 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AB chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 618 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 512 GB) external memory slot |
| 6.72 | 14.14 |
| 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 | 0.57 inches (1/1.76") 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 | -- |
| 9.24 | 11.88 |
| 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 | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 690 hours standby time 15 hours talk time | -- |
| 4.96 | 8.32 |
| 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
Galaxy M51 is way better than Xperia Z2a, having an 87.7 score against 73. Both of these devices use Android OS (Operating System), but Galaxy M51 has the previous 10 version while Xperia Z2a has Android 4.4.2 version. Galaxy M51's construction is notably heavier but somewhat thinner than Xperia Z2a.
The Xperia Z2a and the Samsung Galaxy M51 count with really similar CPUs, because although the Samsung Galaxy M51 has doesn't have a graphics processor, it also counts with a larger number of cores and a higher amount of RAM. The Xperia Z2a has a more vivid display than Galaxy M51, because although it has a little lower 1920 x 1080px resolution and a much smaller display, it also counts with a bit greater number of pixels in each display inch.
Galaxy M51 has a much better camera than Xperia Z2a, and although they both have the same 3840x2160 (4K) video definition and the same video frame rate, the Galaxy M51 also has a way larger sensor providing a much higher image quality and a way more megapixels back camera. The Galaxy M51 has a much bigger memory capacity for apps and games than Xperia Z2a, because it has 128 GB internal memory and a slot for an external memory card that holds a maximum of 512 GB.
The Galaxy M51 features a much longer battery lifetime than Xperia Z2a, because it has a 7000mAh battery capacity.
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