Compare phones
| Global Score | |
| 94.6 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-09-18 | 2020-04-29 |
| 6.27 x 5.05 x 0.27 inches | 6.26 x 2.90 x 0.34 inches |
| 9.95 ounces | 6.60 ounces |
| Mystic black and Mystic bronze | Prism cube black |
| Aluminum and Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 1930.00 | $ 339.00 |
| Display / Screen | |
| 7.6 inches | 6.5 inches |
| 2208 x 1768 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 372 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250-AB chipset | Samsung Exynos 980 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 650 GPU | Mali-G76 MP5 GPU |
| 9.81 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 13.3 | 15.38 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.45 | 11.55 |
| 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, Dual SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Battery | 4500mAh Li - Polymer 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy Z Fold 2 is slightly better than Galaxy A51 5G, with a score of 94.6 against 90.8. Although the Galaxy Z Fold 2 and Galaxy A51 5G were released only a few months apart, the Galaxy Z Fold 2 body is way thinner but notably heavier. Both phones we compare here include the same Android 11 OS (operating system), so both should count with very similar OS features.
Samsung Galaxy Z Fold 2 has a bit better hardware performance than Galaxy A51 5G, and although they both have the same number of cores, the Samsung Galaxy Z Fold 2 also has a higher amount of RAM memory. Samsung Galaxy A51 5G and Samsung Galaxy Z Fold 2 both have really similar screens, because although the Samsung Galaxy A51 5G has a little lower resolution of 1080 x 2400 pixels and a quite smaller display, it also counts with a quite greater pixel number in each inch of display.
The Samsung Galaxy A51 5G has a quite bigger memory for applications and games than Samsung Galaxy Z Fold 2, because although it has 0 less internal memory capacity, it also counts with a SD memory slot that admits up to 1000 GB. Samsung Galaxy A51 5G features a battery lifetime that's just as good as Samsung Galaxy Z Fold 2's battery life.
Samsung Galaxy A51 5G captures better pictures and videos than Samsung Galaxy Z Fold 2, because although it has a tinier sensor shooting lower quality pictures and videos, worse 30 frames per second video frame rate and a tinier aperture, and they both have the same 3840x2160 (4K) video quality, the Samsung Galaxy A51 5G also counts with a way higher 48 megapixels resolution back facing camera.
Although Galaxy Z Fold 2 is a better device, it is way more expensive than the Galaxy A51 5G, and it doesn't have such a good price and quality relation as Galaxy A51 5G. So if you want that extra specs and features, you can buy Galaxy Z Fold 2, otherwise you can save a couple dollars and buy the Galaxy A51 5G, letting go some specifications.
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