Compare phones
| Global Score | |
| 85.5 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2019-12-27 | 2019-05-07 |
| 6.24 x 2.90 x 0.31 inches | 5.96 x 2.76 x 0.32 inches |
| 6.07 ounces | 5.19 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Purple and White |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | $ 186.00 |
| Display / Screen | |
| 6.5 inches | 5.6 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | OLED |
| 405 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 615 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 7.7 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.20 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") 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 (240 fps) (HD) slow motion video |
| 11.55 | 9.79 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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
Samsung Galaxy A51 has an overall score of 85.5, which is slightly better than the Google Pixel 3a's score of 78.8. Both of these devices work with the same Android 11 OS (operating system), so you shouldn't perceive any difference regarding that. Even though Samsung Galaxy A51 and Google Pixel 3a were released with only 8 months difference, Samsung Galaxy A51's construction is somewhat heavier but a bit thinner.
The Galaxy A51 features just a little better processing power than Google Pixel 3a. Both have 8 processing cores and the same RAM memory amount. The Google Pixel 3a features a slightly better looking display than Galaxy A51, because although it has a quite lower resolution of 1080 x 2220 pixels and a bit smaller display, it also counts with a bit more pixels per screen inch.
Samsung Galaxy A51 has a much better camera than Google Pixel 3a, because although it has a smaller aperture, and they both have the same (4K) video resolution and the same video frame rate, the Samsung Galaxy A51 also counts with a much bigger sensor taking way higher quality videos and photos and a much more mega-pixels back facing camera.
The Galaxy A51 has a much bigger storage for games and applications than Google Pixel 3a, because it has a slot for external memory cards that admits a maximum of 512 GB and 128 GB internal memory. The Galaxy A51 features greater battery life than Google Pixel 3a, because it has a 33 percent larger battery capacity.
The Galaxy A51 costs a lot more money than the Google Pixel 3a, but you can get a better phone for that few extra dollars.
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