| Global Score | |
| 74.6 | 79 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 4.4 |
| -- | 2013-03-14 |
| 6.04 x 3.04 x 0.32 inches | 5.38 x 2.75 x 0.31 inches |
| 6.14 ounces | 4.59 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Plastic | Polycarbonate |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 135.00 |
| Display / Screen | |
| 5.5 inches | 5 inches |
| 1280 x 720 pixels (HD) | 1080 x 1920 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 267 pixels per inch | 441 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.1 | 9.1 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 600 APQ8064T chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Krait 300 (Quad-Core 1900 MHz) processor |
| 4 GB RAM | 2 GB (800 MHz) RAM |
| ARM Mali-G71 GPU | Adreno 320 (400 MHz) GPU |
| 8.82 | 9 |
| Storage | |
| 32 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 |
| 8.88 | 9.46 |
| Camera | |
| 13.00 MP + 8.00 MP | 13.00 MP + 2.00 MP |
| f/1.90 aperture | f/2.20 aperture |
| 27.00mm focal length | 31.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 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 |
| Micro SIM, Dual SIM | Micro SIM |
| 6.1 | 7 |
| Battery Life | |
| 3000mAh Battery | 2600mAh Li-Ion Battery |
| Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 17 hours talk time |
| 4.96 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Samsung Galaxy S4 is a little bit better than Galaxy J7 Duo, with a global score of 79 against 74.6. Both of these phones include Android OS, but Samsung Galaxy S4 has the older 4.4 version while Galaxy J7 Duo has Android 8.0 Oreo. The Samsung Galaxy S4 body is way lighter and a bit thinner than the Galaxy J7 Duo.
Galaxy S4 counts with a bit better processing power than Galaxy J7 Duo, because although it has 4 lesser CPU cores and a lower amount of RAM memory, it also counts with an additional graphics processing unit. The Galaxy S4 features a much more vibrant display than Samsung Galaxy J7 Duo, because although it has a little smaller display, it also counts with a much better display density and a much better resolution of 1920 x 1080 pixels.
The Samsung Galaxy S4's camera is just as good as Samsung Galaxy J7 Duo's camera, and although the Samsung Galaxy S4 has a smaller diafragm aperture which is not favorable for low light images and videos, they both have the same 30 fps video frame rates, the same (Full HD) video quality, a same resolution back camera and the same back camera sensor size.
Galaxy S4 counts with a bit more storage capacity for games and applications than Samsung Galaxy J7 Duo, because although it has an external SD slot that allows a maximum of 64 GB against 256 GB, it also counts with 32 GB more internal storage. The Galaxy J7 Duo has a bit superior battery performance than Samsung Galaxy S4, because it has a 3000mAh battery capacity.
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