Compare phones
| Global Score | |
| 76.7 | 90.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 8.0 Oreo | Android 14 |
| 2018-06-28 | -- |
| 6.27 x 2.98 x 0.32 inches | -- |
| 6.24 ounces | -- |
| Black, Blue, Gold and Pink | -- |
| Plastic | Glass (Corning Gorilla Glass) and Titanium |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.8 inches |
| 1480 x 720 pixels | 3088 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 274 pixels per inch | 501 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 506 GPU | Yes GPU |
| 8.91 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 13.3 |
| Camera | |
| 16.00 MP + 16.00 MP | 200.00 MP + 12.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.46 | 14.74 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 10.6 |
| Battery Life | |
| 3500mAh Battery | 5000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.3 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S25 Ultra is better than the Galaxy J8, with a 90.7 score against 76.7. Both of these phones come with Android OS (operating system), but the Samsung Galaxy S25 Ultra has newer 14 version while Galaxy J8 has Android 10 version, providing you a couple additional features and performance improvements. Samsung Galaxy S25 Ultra is a incredibly thinner and much lighter cellphone than Galaxy J8.
The Galaxy S25 Ultra features a much better looking display than Galaxy J8, because it has a much higher count of pixels per inch in the screen, a little bigger display and a lot better resolution of 1440 x 3088px. The Galaxy J8 counts with an extremely better processor than Samsung Galaxy S25 Ultra, although it has a lower amount of RAM memory, they both have the same number of cores.
Galaxy S25 Ultra takes way better videos and photos than Galaxy J8, and although they both have the same aperture, the Galaxy S25 Ultra also has a much better 7680x4320 video quality, a much larger camera sensor taking much better quality videos and photographs and a way more mega-pixels back facing camera.
Galaxy S25 Ultra counts with a superior memory capacity for apps and games than Galaxy J8, because although it has no SD memory card expansion slot, it also counts with 256 GB internal memory. The Galaxy S25 Ultra counts with a much better battery life than Galaxy J8, because it has a 5000mAh battery size instead of 3500mAh.
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