Compare phones
| Global Score | |
| 72.2 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.3, 4.2, 4.1, 4.0.4 | Android 11, 10 |
| 2012-06-04 | 2019-12-27 |
| 5.38 x 2.78 x 0.34 inches | 6.24 x 2.90 x 0.31 inches |
| 4.73 ounces | 6.07 ounces |
| 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 |
| $ 585.00 | $ 282.00 |
| Display / Screen | |
| 4.8 inches | 6.5 inches |
| 720 x 1280 pixels (HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 306 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon S4 Plus MSM8960 chipset | Samsung Exynos 9611 chipset |
| Krait (Dual-Core 1500 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (500 MHz) RAM | 4 GB RAM |
| Adreno 225 (400 MHz) GPU | Mali-G72 MP3 GPU |
| 8.46 | 9.27 |
| Storage | |
| 16 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 |
| 6.16 | 14.14 |
| Camera | |
| 8.00 MP + 1.90 MP | 48.00 MP + 32.00 MP |
| f/2.60 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3") 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 |
| 8.47 | 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 | |
| 2100mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 199 hours standby time 8 hours talk time | -- |
| 4 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A51 has a score of 85.5, which is much better than the Galaxy S III AT&T's 72.2 score. The Samsung Galaxy A51 body is a lot newer and a bit thinner, but extremely heavier than Galaxy S III AT&T. Both of these phones include Android operating system, but the Samsung Galaxy A51 has a more recent 11 version and Galaxy S III AT&T has Android 4.3 version, so it provides the user some nice extra features.
The Galaxy S III AT&T features a little more vivid screen than Galaxy A51, although it has a much smaller screen, a bit lower display density and a way worse resolution of 1280 x 720px. The Galaxy A51 has a little faster CPU than Samsung Galaxy S III AT&T, because although it has doesn't have an additional graphics co-processor, it also counts with more cores and a greater amount of RAM.
Samsung Galaxy A51 features a much greater storage to install applications and games or saving photos and videos than Galaxy S III AT&T, because it has a slot for an SD memory card that holds up to 512 GB and 112 GB more internal memory capacity. Galaxy A51 takes way better pictures and videos than Galaxy S III AT&T, because it has a lot bigger camera sensor shooting much higher quality photographs and videos, a way better (4K) video definition, a much bigger aperture to take better low-light photos and video and a back facing camera with a way better 48 MP resolution.
The Samsung Galaxy A51 features a much longer battery performance than Galaxy S III AT&T, because it has 4000mAh of battery capacity against 2100mAh.
The Samsung Galaxy A51 not only is the best phones between the ones we are comparing here, but it's also very cheap compared to the other phones, which makes it a no doubt choice.
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