Compare phones
| Global Score | |
| 90.8 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-04-29 | 2019-05-07 |
| 6.26 x 2.90 x 0.34 inches | 5.96 x 2.76 x 0.32 inches |
| 6.60 ounces | 5.19 ounces |
| Prism cube black | Black, Purple and White |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | $ 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 980 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Adreno 615 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 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 (480 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 |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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 5G has an overall score of 90.8, which is much better than the Google Pixel 3a's global score of 78.8. Both of these phones have the same Android 11 OS (Operating System). Even though Samsung Galaxy A51 5G is newer than Google Pixel 3a, it's a bit thicker and notably heavier. The Google Pixel 3a has just a bit better looking display than Galaxy A51 5G, because although it has a quite lower 1080 x 2220 resolution and a little smaller screen, it also counts with a bit better display pixels density.
The Galaxy A51 5G has much more memory capacity to install games and applications than Google Pixel 3a, because it has a SD memory card expansion slot that supports a maximum of 1000 GB and 128 GB internal memory capacity. The Samsung Galaxy A51 5G features a bit better processing power than Google Pixel 3a, and although they both have 8 processing cores, the Samsung Galaxy A51 5G also has more RAM memory.
Galaxy A51 5G has a very superior battery lifetime than Google Pixel 3a, because it has 4500mAh of battery capacity. The Galaxy A51 5G captures better pictures and videos than Google Pixel 3a, because although it has a smaller diafragm aperture which is not so good for shooting photographs or videos in low light environments, and they both have the same 30 frames per second video frame rates and the same 3840x2160 video resolution, the Galaxy A51 5G also counts with a lot larger back camera sensor taking way higher quality photos and videos and a much higher resolution back facing camera.
Galaxy A51 5G costs a lot more money than Google Pixel 3a, but it's still a great deal, as you can get a lot more for that extra money.
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