Compare phones
| Global Score | |
| 75.5 | 85.5 |
| Basic Information | |
| Sony | Samsung |
| -- | Android 11, 10 |
| 2018-02-16 | 2019-12-27 |
| 6.42 x 3.15 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 7.80 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 367 pixels per inch | 405 pixels per inch |
| 500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.3 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 630 SDM630 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 508 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 23.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") 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 | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.45 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3580mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A51 is better than the Xperia XA2 Ultra, with an 85.5 score against 75.5. Galaxy A51's body is newer, notably lighter and somewhat thinner than Xperia XA2 Ultra. The Xperia XA2 Ultra counts with a little sharper screen than Samsung Galaxy A51, although it has a bit smaller display, a little lower display density and a bit worse 1080 x 1920 pixels resolution.
Samsung Galaxy A51 has a little better performance than Xperia XA2 Ultra. They have a Octa-Core processor and 4 GB of RAM. The Samsung Galaxy A51 counts with a superior memory for applications, games, photos and videos than Xperia XA2 Ultra, because it has 96 GB more internal storage capacity and a slot for an external memory card that supports up to 512 GB.
The Samsung Galaxy A51 counts with a little better battery lifetime than Xperia XA2 Ultra, because it has 4000mAh of battery capacity instead of 3580mAh. The Galaxy A51 has a superior camera than Sony Xperia XA2 Ultra, and although they both have the same 3840x2160 (4K) video definition, the same video frame rate and the same diafragm aperture, the Galaxy A51 also has a lot more megapixels back facing camera and a bigger camera sensor capturing better quality videos and photos.
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