Compare phones
| Global Score | |
| 74.6 | 90.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 14 |
| 6.04 x 3.04 x 0.32 inches | -- |
| 6.14 ounces | -- |
| 16 777 216 | -- |
| Plastic | Glass (Corning Gorilla Glass) and Titanium |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1280 x 720 pixels (HD) | 3088 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 267 pixels per inch | 501 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 10.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| ARM Mali-G71 GPU | Yes GPU |
| 8.82 | 6.21 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 13.3 |
| Camera | |
| 13.00 MP + 8.00 MP | 200.00 MP + 12.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 27.00mm focal length | 24.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.77 inches (1/1.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.02 | 14.74 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM, Dual SIM | Nano SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S25 Ultra is way better than Galaxy J7 Duo, getting a general score of 90.7 against 74.6. The Samsung Galaxy S25 Ultra is a notably thinner and way lighter cellphone than Galaxy J7 Duo. Both devices in our current comparison come with Android OS (operating system), but the Samsung Galaxy S25 Ultra has the older 14 version while Galaxy J7 Duo has Android 8.0 Oreo.
The Samsung Galaxy J7 Duo features a very superior hardware performance than Samsung Galaxy S25 Ultra, although it has a smaller amount of RAM, they both have the same number of cores. The Galaxy S25 Ultra features a much better display than Samsung Galaxy J7 Duo, because it has a lot higher 1440 x 3088px resolution, a lot better display pixel density and a bigger display.
The Galaxy S25 Ultra shoots much better photos and videos than Samsung Galaxy J7 Duo, because it has a back-facing camera with a way better resolution, a much bigger back camera sensor capturing way higher quality videos and photos, a larger aperture to take better low light images and a way better 7680x4320 video quality.
The Galaxy S25 Ultra counts with much more memory to install games and applications than Galaxy J7 Duo, because although it has no external memory card slot, it also counts with 256 GB internal memory capacity. The Galaxy S25 Ultra features a way better battery performance than Samsung Galaxy J7 Duo, because it has a 5000mAh battery size instead of 3000mAh.
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