Compare phones
| Global Score | |
| 73.1 | 81 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | Android 12 |
| 2018-07-13 | -- |
| 6.03 x 3.00 x 0.34 inches | -- |
| 6.38 ounces | -- |
| Blue | Black and White |
| -- | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 3200 x 1440 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 9.7 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 730 GPU |
| 8.73 | 6.21 |
| 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 | 50.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 28.00mm focal length | 24.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.13 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.6 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.64 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi 12S Ultra is better than the Galaxy J7 Star, with a score of 81 against 73.1. These phones include Android operating system, but Xiaomi 12S Ultra has the older 12 version and Galaxy J7 Star has Android 9.0 Pie. The Xiaomi 12S Ultra construction is lighter and notably thinner than the Galaxy J7 Star.
Xiaomi 12S Ultra counts with a much better looking display than Samsung Galaxy J7 Star, because it has a bigger screen, a way higher screen density and a lot higher 1440 x 3200 resolution. Samsung Galaxy J7 Star features a very superior processing power than Xiaomi 12S Ultra, although it has a smaller amount of RAM memory, they both have 8 cores.
Xiaomi 12S Ultra features a very superior memory for applications and games than Samsung Galaxy J7 Star, because although it has no SD card slot, it also counts with 224 GB more internal memory. Xiaomi 12S Ultra counts with a much better battery lifetime than Galaxy J7 Star, because it has 4800mAh of battery capacity instead of 3300mAh.
Xiaomi 12S Ultra shoots greater pictures and videos than Samsung Galaxy J7 Star, because although it has a tinier diafragm aperture which is not nice for low-light photography, it also counts with a much bigger sensor providing a lot better image quality, a way higher resolution back-facing camera and a much higher video definition.
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