Compare phones
| Global Score | |
| 72.5 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 14 |
| 2018-07-13 | 2024-10-29 |
| 6.03 x 3.00 x 0.34 inches | 6.00 x 2.80 x 0.32 inches |
| 6.38 ounces | 6.67 ounces |
| Black | -- |
| Plastic | Glass |
| Scratch-Resistant Glass | -- |
| $ 230.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2670 x 1200 pixels |
| TFT | OLED |
| 267 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 10.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | processor |
| 2 GB RAM | 12 GB RAM |
| Mali-T830 MP1 GPU | Adreno 830 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 + 32.00 MP |
| f/1.70 aperture | f/1.60 aperture |
| 28.00mm focal length | 23.00mm focal length |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.13 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G |
| Nano SIM | Nano SIM |
| 6.1 | 7 |
| Battery Life | |
| 3300mAh Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 7.12 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.4 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
Comparison review
Xiaomi 15 has a score of 80.6, which is much better than Samsung Galaxy J7 (2018)'s overall score of 72.5. Xiaomi 15 is a newer and just a bit thinner cellphone than the Samsung Galaxy J7 (2018), although it's just a little bit heavier. Galaxy J7 (2018) has a much faster processing unit than Xiaomi 15, although it has a lower amount of RAM memory, they both have the same number of cores.
The Xiaomi 15 counts with a lot better looking display than Galaxy J7 (2018), because it has a lot higher resolution of 1200 x 2670 pixels, a larger display and a much higher display pixels density. The Xiaomi 15 counts with a much bigger storage capacity for applications and games than Samsung Galaxy J7 (2018), because although it has no SD extension slot, it also counts with 256 GB internal storage.
Xiaomi 15 shoots greater photographs and videos than Galaxy J7 (2018), because it has a much higher 7680x4320 video resolution, a bigger aperture to take better photos and videos in low light situations and a back-facing camera with a way higher resolution. The Xiaomi 15 has a much better battery lifetime than Samsung Galaxy J7 (2018), because it has 5400mAh of battery capacity against 3300mAh.
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