| Global Score | |
| 87.7 | 79 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 4.4 |
| 2020-09-11 | 2013-03-14 |
| 6.45 x 3.00 x 0.37 inches | 5.38 x 2.75 x 0.31 inches |
| 7.51 ounces | 4.59 ounces |
| Black and White | Black, Blue, Red and White |
| Plastic and Plastic | Polycarbonate |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 135.00 |
| Display / Screen | |
| 6.7 inches | 5 inches |
| 2340 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| Super AMOLED Plus | Super AMOLED |
| 385 pixels per inch | 441 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 600 APQ8064T chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Krait 300 (Quad-Core 1900 MHz) processor |
| 6 GB RAM | 2 GB (800 MHz) RAM |
| Adreno 618 GPU | Adreno 320 (400 MHz) GPU |
| 9.27 | 9 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 64 GB) external memory slot |
| 14.14 | 9.46 |
| Camera | |
| 64.00 MP + 32.00 MP | 13.00 MP + 2.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 11.88 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 7 |
| Battery Life | |
| 7000mAh Battery | 2600mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 17 hours talk time |
| 8.32 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Samsung Galaxy M51 has a score of 87.7, which is much better than Galaxy S4's score of 79. Samsung Galaxy M51's body is noticeably newer, but noticeably heavier and thicker than Galaxy S4. Both of these devices have Android operating system, but the Samsung Galaxy M51 has 10 version while Galaxy S4 has Android 4.4.
Galaxy S4 counts with a sharper display than Samsung Galaxy M51, because although it has a quite lower 1920 x 1080 pixels resolution and a much smaller screen, it also counts with a little bit more pixels per inch in the display. The Galaxy M51 has a way bigger memory to install applications and games or saving photos and videos than Galaxy S4, because it has an external SD slot that holds a maximum of 512 GB and more internal memory.
The Galaxy M51 has a little faster processing unit than Galaxy S4, because although it has doesn't have an extra graphics processing unit, it also counts with a larger amount of RAM and more processing cores. The Galaxy M51 has a much better camera than Samsung Galaxy S4, because it has a much higher resolution back facing camera, a way higher (4K) video resolution, a bigger aperture and a lot larger back-facing camera sensor which provides a way better image and video quality.
The Samsung Galaxy M51 counts with a much better battery lifetime than Galaxy S4, because it has a 169 percent larger battery capacity.
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