Compare phones
| Global Score | |
| 90.8 | 94.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-04-29 | 2020-09-18 |
| 6.26 x 2.90 x 0.34 inches | 6.27 x 5.05 x 0.27 inches |
| 6.60 ounces | 9.95 ounces |
| Prism cube black | Mystic black and Mystic bronze |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 339.00 | $ 1930.00 |
| Display / Screen | |
| 6.5 inches | 7.6 inches |
| 2400 x 1080 pixels | 2208 x 1768 pixels |
| Super AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 865+ SM8250-AB chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Mali-G76 MP5 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 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 | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.32 |
| 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 Fold 2 is slightly better than the Galaxy A51 5G, getting a overall score of 94.6 against 90.8. These phones use the same Android 11 OS (Operating System), so they should offer the same OS features. Although Galaxy Z Fold 2 and the Galaxy A51 5G were released only a couple of months apart, the Galaxy Z Fold 2 body is a lot thinner but also noticeably heavier than the Galaxy A51 5G.
The Samsung Galaxy Z Fold 2 features a bit better hardware performance than Galaxy A51 5G, and although they both have a Octa-Core CPU, the Samsung Galaxy Z Fold 2 also has more RAM memory. Galaxy Z Fold 2 features a display that is just as good as Galaxy A51 5G's display, because although the Galaxy Z Fold 2 has a little lower pixels density, it also counts with a better 1768 x 2208 resolution and a bigger screen.
The Galaxy A51 5G features a better memory capacity to install applications and games than Galaxy Z Fold 2, because although it has only 128 GB internal memory capacity, it also counts with an external memory slot that admits a maximum of 1000 GB. The Samsung Galaxy Z Fold 2's battery life is just as good as Galaxy A51 5G's battery lifetime.
The Samsung Galaxy A51 5G captures better photos and videos than Galaxy Z Fold 2, because although it has a tinier diafragm aperture, lower 30 frames per second video frame rates and a tinier sensor taking less light and duller colors, and they both have the same 3840x2160 video definition, the Samsung Galaxy A51 5G also counts with a much more megapixels back-facing camera.
Although Samsung Galaxy Z Fold 2 is a better device, it costs a lot more money than the Samsung Galaxy A51 5G, and it doesn't have such a good quality/price relation as the Samsung Galaxy A51 5G. If you prefer to save a few dollars, you can get the Samsung Galaxy A51 5G, and give up some specs and features, but you'll get the most out of your money.
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