Compare phones
| Global Score | |
| 73.1 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | Android 11 |
| 2018-07-13 | 2021-05-27 |
| 6.03 x 3.00 x 0.34 inches | 6.23 x 2.96 x 0.33 inches |
| 6.38 ounces | 6.70 ounces |
| Blue | Moonlight White, Neptune Blue and Space Black, |
| -- | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | MediaTek Helio G85 MT6769Z chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali G52 MC2 GPU |
| 8.73 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 9.44 | 10.02 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.13 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.6 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 8 2021 has a general score of 76.7, which is a little bit better than the Galaxy J7 Star's 73.1 score. These devices come with Android OS (operating system), but the Xiaomi Redmi Note 8 2021 has the older 11 version while Galaxy J7 Star has Android 9.0 Pie. Even though Xiaomi Redmi Note 8 2021 is a little heavier than Galaxy J7 Star, it's just a little thinner and also newer.
Xiaomi Redmi Note 8 2021 features a more vivid screen than Galaxy J7 Star, because it has a way better 1080 x 2340px resolution, a bit bigger display and a lot greater pixel number per display inch. Xiaomi Redmi Note 8 2021 counts with a slightly better memory to install applications and games or saving photos and videos than Galaxy J7 Star, because although it has a SD memory card expansion slot that holds 272 GB smaller, it also counts with more internal memory capacity.
The Xiaomi Redmi Note 8 2021 counts with just a bit better processing power than Samsung Galaxy J7 Star, and although they both have 8 CPU cores, the Xiaomi Redmi Note 8 2021 also has a greater amount of RAM. Xiaomi Redmi Note 8 2021 takes way better videos and photos than Samsung Galaxy J7 Star, because although it has a tinier camera aperture which is worse for low light images and videos, and they both have the same 1920x1080 (Full HD) video resolution and the same 30 fps video frame rate, the Xiaomi Redmi Note 8 2021 also counts with a back-facing camera with a much higher 48 megapixels resolution and a much bigger sensor shooting much better quality photos and videos.
Xiaomi Redmi Note 8 2021 has longer battery life than Samsung Galaxy J7 Star, because it has a 21 percent larger battery capacity.
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