| Global Score | |
| 75 | 79 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 4.4 |
| 2017-09-12 | 2013-03-14 |
| 6.12 x 2.98 x 0.29 inches | 5.38 x 2.75 x 0.31 inches |
| 5.82 ounces | 4.59 ounces |
| Black, Gold and Pink | Black, Blue, Red and White |
| Metal | Polycarbonate |
| -- | Scratch-Resistant Glass |
| -- | $ 135.00 |
| Display / Screen | |
| 5.5 inches | 5 inches |
| 1920 x 1080 pixels (Full HD) | 1080 x 1920 pixels (Full HD) |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 441 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.4 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 600 APQ8064T chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Krait 300 (Quad-Core 1900 MHz) processor |
| 4 GB RAM | 2 GB (800 MHz) RAM |
| Adreno 506 GPU | Adreno 320 (400 MHz) GPU |
| 9.09 | 9 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSD, microSDHC, microSDXC (up to 64 GB) external memory slot |
| 10.78 | 9.46 |
| Camera | |
| 12.00 MP + 5.00 MP | 13.00 MP + 2.00 MP |
| f/2.20 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| -- | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.35 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Micro SIM |
| 6.1 | 7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 2600mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 17 hours talk time |
| 5.04 | 4.56 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Galaxy S4 is just a bit better than the Xiaomi Mi A1, getting a 79 score against 75. Both of these phones have Android OS (Operating System), but the Galaxy S4 has 4.4 version while Xiaomi Mi A1 has Android 9.0 Pie. Despite of the fact the Galaxy S4 is way older and a bit thicker than Xiaomi Mi A1, it's body is still incredibly lighter.
Galaxy S4 features a bit better display than Xiaomi Mi A1, because although it has a little bit smaller screen, and they both have the same exact resolution of 1920 x 1080, the Galaxy S4 also counts with a bit more pixels per inch in the display. Xiaomi Mi A1 has a bigger memory to store more apps and games than Samsung Galaxy S4, and although they both have exactly the same internal storage, the Xiaomi Mi A1 also has a slot for external memory cards that holds up to 256 GB.
Xiaomi Mi A1 has a bit more powerful CPU than Samsung Galaxy S4, because although it has doesn't have a graphics processing unit, it also counts with a larger number of cores and more RAM memory. Xiaomi Mi A1 has superior battery life than Galaxy S4, because it has a 3080mAh battery capacity instead of 2600mAh.
The Xiaomi Mi A1 features a little bit better camera than Galaxy S4, because although it has a back-facing camera with a worse 12 MP resolution, and they both have the same diafragm aperture, the Xiaomi Mi A1 also counts with a lot better 3840x2160 video resolution.
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