Compare phones
| Global Score | |
| 72.7 | 94.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11, 10 |
| 2018-06-29 | 2020-09-18 |
| 6.03 x 3.00 x 0.34 inches | 6.27 x 5.05 x 0.27 inches |
| 6.38 ounces | 9.95 ounces |
| 16 777 216 | Mystic black and Mystic bronze |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| -- | $ 1930.00 |
| Display / Screen | |
| 5.5 inches | 7.6 inches |
| 1280 x 720 pixels (HD) | 2208 x 1768 pixels |
| TFT | Dynamic AMOLED |
| 267 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 865+ SM8250-AB chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor |
| 2 GB RAM | 12 GB RAM |
| Mali-T830 MP1 GPU | Adreno 650 GPU |
| 8.73 | 9.81 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 13.3 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.13 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Samsung Galaxy Z Fold 2 is much better than Samsung Galaxy J7 Refine, getting a overall score of 94.6 against 72.7. The Samsung Galaxy Z Fold 2 construction is noticeably newer and a lot thinner, but heavier than the Samsung Galaxy J7 Refine. Both of these devices have Android OS (operating system), but Samsung Galaxy Z Fold 2 has an older 11 version while Samsung Galaxy J7 Refine has Android 8.0 Oreo version.
The Galaxy Z Fold 2 has a better screen than Galaxy J7 Refine, because it has a lot larger display, a better amount of pixels per screen inch and a much better resolution of 1768 x 2208px. The Samsung Galaxy Z Fold 2 features a way bigger memory capacity to install applications and games than Galaxy J7 Refine, because although it has no SD extension slot, it also counts with more internal storage capacity.
Galaxy Z Fold 2 features a quite superior performance than Galaxy J7 Refine, and although they both have the same number of cores, the Galaxy Z Fold 2 also has a higher amount of RAM memory. Samsung Galaxy Z Fold 2 counts with a much better camera than Galaxy J7 Refine, because although it has a camera with a lower resolution and a smaller aperture which is not recommended for low light photos, it also counts with a much better video definition and a way bigger back camera sensor providing a much better image quality.
Galaxy Z Fold 2 features longer battery lifetime than Samsung Galaxy J7 Refine, because it has a 36 percent bigger battery size.
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