Compare phones
| Global Score | |
| 90.7 | 76.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 10, 8.0 Oreo |
| -- | 2018-06-28 |
| -- | 6.27 x 2.98 x 0.32 inches |
| -- | 6.24 ounces |
| -- | Black, Blue, Gold and Pink |
| Glass (Corning Gorilla Glass) and Titanium | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6 inches |
| 3088 x 1440 pixels | 1480 x 720 pixels |
| Dynamic AMOLED | Super AMOLED |
| 501 pixels per inch | 274 pixels per inch |
| 2600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Qualcomm Snapdragon 450 SDM450 chipset |
| processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Yes GPU | Adreno 506 GPU |
| 6.21 | 8.91 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 13.3 | 10.78 |
| Camera | |
| 200.00 MP + 12.00 MP | 16.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.77 inches (1/1.3") sensor | 0.36 inches (1/2.8") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 14.74 | 9.46 |
| 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 and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.44 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S25 Ultra is better than the Samsung Galaxy J8, with a global score of 90.7 against 76.7. Galaxy S25 Ultra's construction is incredibly lighter and notably thinner than the Samsung Galaxy J8. These phones include Android operating system, but Galaxy S25 Ultra has the newer 14 version and Samsung Galaxy J8 has Android 10, so it gives a lot of extra features.
Galaxy S25 Ultra has a lot better looking screen than Samsung Galaxy J8, because it has a much higher pixel amount per display inch, a way higher 1440 x 3088 resolution and a little bit larger display. Samsung Galaxy S25 Ultra counts with a much better storage capacity for games and applications than Samsung Galaxy J8, because although it has no external SD slot, it also counts with 256 GB internal memory.
The Samsung Galaxy J8 features a much better performing CPU than Galaxy S25 Ultra, although it has 8 GB less RAM memory, they both have 8 CPU cores. The Galaxy S25 Ultra features a way better camera than Samsung Galaxy J8, and although they both have a same size camera aperture, the Galaxy S25 Ultra also has a lot larger camera sensor which gives a way higher photo and video quality, a way better video quality and a much better 200 MP resolution camera in the back.
Galaxy S25 Ultra has a superior battery lifetime than Galaxy J8, because it has a 43% larger battery capacity.
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