| Global Score | |
| 79 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4 | Android 11, 10 |
| 2013-03-14 | 2019-12-27 |
| 5.38 x 2.75 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 4.59 ounces | 6.07 ounces |
| Black, Blue, Red and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Polycarbonate | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 135.00 | $ 282.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 441 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 600 APQ8064T chipset | Samsung Exynos 9611 chipset |
| Krait 300 (Quad-Core 1900 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 320 (400 MHz) GPU | Mali-G72 MP3 GPU |
| 9 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.46 | 14.14 |
| Camera | |
| 13.00 MP + 2.00 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 31.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 2600mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 17 hours talk time | -- |
| 4.56 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Samsung Galaxy A51 has a score of 85.5, which is a bit better than the Samsung Galaxy S4's overall score of 79. Samsung Galaxy A51's body has the same thickness than Samsung Galaxy S4, but it is notably heavier. These phones come with Android OS (Operating System), but the Samsung Galaxy A51 has 11 version and Samsung Galaxy S4 has Android 4.4 version, so it provides you a couple nice extra features and performance enhancements.
Galaxy A51 has a bit superior processor than Galaxy S4, because although it has doesn't have an additional graphics co-processor, it also counts with 2 GB more RAM and a higher number of faster cores. Galaxy S4 has a more vivid display than Galaxy A51, because although it has a little worse resolution of 1920 x 1080px and a really smaller screen, it also counts with a quite better display density.
Galaxy A51 features a superior memory capacity for games and applications than Galaxy S4, because it has 64 GB more internal storage capacity and an external SD slot that supports a maximum of 512 GB. Samsung Galaxy A51 features a superior battery life than Galaxy S4, because it has a 4000mAh battery capacity against 2600mAh.
Galaxy A51 shoots way better videos and photos than Galaxy S4, because it has a way bigger sensor capturing much better quality photographs and videos, a much higher 3840x2160 video definition, a camera with a way better resolution and a larger aperture.
Although Samsung Galaxy A51 is a better device, it costs a lot more than Samsung Galaxy S4, and it doesn't have such a good price and quality relation as Samsung Galaxy S4. So if you need that extra features, you can buy the Samsung Galaxy A51, otherwise you can save some dollars and buy the Samsung Galaxy S4, resigning a couple features and specs.
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