Compare phones
| Global Score | |
| 94.6 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-09-18 | 2020-09-11 |
| 6.27 x 5.05 x 0.27 inches | 6.45 x 3.00 x 0.37 inches |
| 9.95 ounces | 7.51 ounces |
| Mystic black and Mystic bronze | Black and White |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 1930.00 | -- |
| Display / Screen | |
| 7.6 inches | 6.7 inches |
| 2208 x 1768 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED Plus |
| 372 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250-AB chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 650 GPU | Adreno 618 GPU |
| 9.81 | 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 + 10.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.57 inches (1/1.76") 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 | -- |
| 10.45 | 11.88 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 8.32 |
| 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
Galaxy Z Fold 2 has a score of 94.6, which is slightly better than Samsung Galaxy M51's 87.7 score. Even though Galaxy Z Fold 2 and Samsung Galaxy M51 were released with only 0 months difference, Galaxy Z Fold 2's construction is extremely heavier but also extremely thinner than Samsung Galaxy M51. These devices work with Android OS, but Galaxy Z Fold 2 has a more recent 11 version and Samsung Galaxy M51 has Android 10 version, giving you a couple nice extra features and a performance increase.
Samsung Galaxy Z Fold 2 has a bit better looking display than Galaxy M51, because although it has a just a little worse amount of pixels per inch in the display, it also counts with a little larger display and a better resolution of 1768 x 2208px. The Galaxy M51 features just a bit bigger storage capacity for games and applications than Galaxy Z Fold 2, because although it has less internal storage, it also counts with an external memory card slot that supports a maximum of 512 GB.
The Galaxy Z Fold 2 counts with a bit better processing power than Samsung Galaxy M51, and although they both have a Octa-Core processing unit, the Galaxy Z Fold 2 also has a larger amount of RAM. Galaxy M51 counts with a way better battery duration than Galaxy Z Fold 2, because it has 7000mAh of battery capacity.
The Samsung Galaxy M51 counts with a better camera than Galaxy Z Fold 2, because although it has slower video frame rates, and they both have a 0.57 inches sensor, a F1.8 aperture and the same 3840x2160 (4K) video quality, the Samsung Galaxy M51 also counts with a much higher 64 mega-pixels resolution back camera.
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