Compare phones
| Global Score | |
| 85.5 | 88.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 12, 11, 10 |
| 2019-12-27 | 2020-02-14 |
| 6.24 x 2.90 x 0.31 inches | 6.59 x 2.90 x 0.28 inches |
| 6.07 ounces | 6.46 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Mirror black and Mirror purple |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | -- |
| $ 282.00 | $ 1380.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2636 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 425 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.3 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 855+ SM8150-AC (7 nm) chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.27 | 9.72 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm 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 (60 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.28 |
| 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
The Galaxy Z Flip is a bit better than Galaxy A51, having an 88.5 score against 85.5. Both of these phones use Android OS (operating system), but the Galaxy Z Flip has a more recent 12 version while Galaxy A51 has Android 11 version. Even though the Galaxy Z Flip and the Galaxy A51 were released only 2 months apart, the Galaxy Z Flip construction is a bit heavier but also just a little bit thinner than the Galaxy A51.
Samsung Galaxy Z Flip counts with a slightly better display than Galaxy A51, because it has a bit greater count of pixels per inch in the screen, a little larger screen and a bit higher resolution of 1080 x 2636px. The Galaxy A51 counts with a little bit more storage to install games and applications than Galaxy Z Flip, because although it has 0 less internal storage, it also counts with a slot for an SD memory card that admits a maximum of 512 GB.
The Galaxy Z Flip has a little better performance than Galaxy A51, and although they both have the same number of cores, the Galaxy Z Flip also has a larger amount of RAM. The Galaxy A51 features superior battery performance than Galaxy Z Flip, because it has 4000mAh of battery capacity against 3300mAh.
The Galaxy A51 has a better camera than Samsung Galaxy Z Flip, because although it has lower 30 frames per second video frame rates and a tinier aperture, and they both have the same 3840x2160 video definition, the Galaxy A51 also counts with a way more mega-pixels camera and a much larger back-facing camera sensor shooting lot better quality photos and videos.
Although Galaxy Z Flip is a better device, it costs a lot more money than Galaxy A51, and it doesn't have such a good relation between it's price and quality as the Galaxy A51. So if you want that extra specs, you can buy Galaxy Z Flip, else you can save a couple dollars and buy the Galaxy A51, resigning some features and specifications.
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