Compare phones
| Global Score | |
| 85.5 | 96.3 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 11 |
| 2019-12-27 | 2021-12-10 |
| 6.24 x 2.90 x 0.31 inches | 6.54 x 2.83 x 0.35 inches |
| 6.07 ounces | 7.80 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Frosted Black |
| Plastic and Plastic | Glass (Corning Gorilla Glass) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 3840 x 1644 pixels |
| Super AMOLED | OLED |
| 405 pixels per inch | 643 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680 Prime, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 14.14 | 22.92 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 8.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (120 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 10.23 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Sony Xperia PRO-I is much better than Samsung Galaxy A51, with a global score of 96.3 against 85.5. These devices have the same Android 11 OS (operating system). Even though the Sony Xperia PRO-I is newer than Samsung Galaxy A51, it's much heavier and thicker. Xperia PRO-I has a little better performance than Galaxy A51, and although they both have the same number of cores, the Xperia PRO-I also has more RAM memory.
Xperia PRO-I counts with a sharper display than Samsung Galaxy A51, and although they both have a same size display, the Xperia PRO-I also has a lot higher pixels count per screen inch and a much better resolution of 1644 x 3840px. The Xperia PRO-I features a very superior storage capacity for applications, games, photos and videos than Galaxy A51, because it has a slot for external memory cards that supports up to 1 TB and 384 GB more internal memory capacity.
The Samsung Galaxy A51 shoots better photos and videos than Xperia PRO-I, because although it has slower video frame rates, and they both have the same 3840x2160 video definition and the same aperture, the Samsung Galaxy A51 also counts with a much larger sensor providing a lot better image quality and a back-facing camera with a way higher 48 mega-pixels resolution.
The Sony Xperia PRO-I features just a bit better battery duration than Galaxy A51, because it has a 4500mAh battery capacity.
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