Compare phones
| Global Score | |
| 85.5 | 79.8 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 5.1 |
| 2019-12-27 | 2015-09-02 |
| 6.24 x 2.90 x 0.31 inches | 6.08 x 2.99 x 0.31 inches |
| 6.07 ounces | 6.35 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Gold and Gray |
| Plastic and Plastic | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | $ 545.00 |
| Display / Screen | |
| 6.5 inches | 5.5 inches |
| 2400 x 1080 pixels | 2160 x 3840 pixels (4K) |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 801 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 10.6 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 810 MSM8994 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-G72 MP3 GPU | Adreno 430 (450 MHz) GPU |
| 9.27 | 9.36 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 200 GB) external memory slot |
| 14.14 | 8.56 |
| Camera | |
| 48.00 MP + 32.00 MP | 23.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (60 fps) (HD) slow motion video |
| 11.55 | 10.56 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 7.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3430mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 630 hours standby time 15.2 hours talk time |
| 5.92 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A51 has a global score of 85.5, which is slightly better than the Xperia Z5 Premium's 79.8 overall score. The Samsung Galaxy A51 body has the same thickness than the Xperia Z5 Premium, but it's a little bit lighter. Both of these phones work with Android operating system, but Samsung Galaxy A51 has newer 11 version and Xperia Z5 Premium has Android 5.1 version.
The Xperia Z5 Premium counts with a bit better processor than Galaxy A51, because although it has lesser RAM, and they both have a Octa-Core processor, the Xperia Z5 Premium also counts with an additional graphics processing unit. Sony Xperia Z5 Premium features a way better looking display than Galaxy A51, because although it has a bit smaller display, it also counts with a lot better resolution of 3840 x 2160px and a much better screen pixel density.
The Samsung Galaxy A51 has a superior memory for applications, games, photos and videos than Sony Xperia Z5 Premium, because it has a slot for SD memory cards that supports a maximum of 512 GB and 96 GB more internal storage capacity. Galaxy A51 counts with a slightly better camera than Xperia Z5 Premium, because although it has a smaller aperture, and they both have the same 3840x2160 video quality and the same 30 frames per second video frame rate, the Galaxy A51 also counts with a lot better resolution camera in the back and a larger back-facing camera sensor capturing more light and vivid colors.
The Galaxy A51 counts with a little better battery life than Xperia Z5 Premium, because it has a 4000mAh battery size.
The Samsung Galaxy A51 is not only the best phones in our current comparison, but it's also by far the cheapest one.
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