Compare phones
| Global Score | |
| 90.6 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 10 |
| 2021-08-11 | 2020-09-11 |
| 6.23 x 5.04 x 0.25 inches | 6.45 x 3.00 x 0.37 inches |
| 9.56 ounces | 7.51 ounces |
| Phantom Black, Phantom Green and Phantom Silver | Black and White |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7.6 inches | 6.7 inches |
| 2208 x 1768 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 372 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 618 GPU |
| 9.72 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 12.00 MP + 4.00 MP | 64.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| 7.7 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4400mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.24 | 8.32 |
| Other Features | |
| Bluetooth 5.2 | 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
Galaxy Z Fold 3 has an overall score of 90.6, which is a bit better than the Samsung Galaxy M51's 87.7 general score. Both of these phones include Android OS (Operating System), but the Galaxy Z Fold 3 has a newer 11 version while Samsung Galaxy M51 has Android 10, so it provides you some extra features and performance enhancements. Although the Galaxy Z Fold 3 is incredibly heavier than Samsung Galaxy M51, it's incredibly thinner and newer.
The Galaxy Z Fold 3 and the Galaxy M51 feature very similar displays, because although the Galaxy M51 has a bit smaller display and a much lower 1080 x 2340 pixels resolution, it also counts with a little greater screen pixel density. The Samsung Galaxy Z Fold 3 has a little faster CPU than Galaxy M51, and although they both have a Octa-Core CPU, the Samsung Galaxy Z Fold 3 also has a greater amount of RAM memory.
Samsung Galaxy M51 counts with a slightly bigger storage capacity to store more apps and games than Samsung Galaxy Z Fold 3, because although it has just 128 GB internal memory, it also counts with a slot for an SD memory card that admits a maximum of 512 GB. The Samsung Galaxy M51 has a much longer battery life than Galaxy Z Fold 3, because it has a 7000mAh battery capacity.
Samsung Galaxy M51 counts with a much better camera than Galaxy Z Fold 3, because it has a back camera with a lot better resolution and a bigger aperture to capture better low light photography and video.
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