Compare phones
| Global Score | |
| 75.5 | 85.5 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-10-30 | 2019-12-27 |
| 6.18 x 2.98 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 6.17 ounces | 6.07 ounces |
| Black and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Samsung Exynos 9611 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 540 GPU | Mali-G72 MP3 GPU |
| 9.45 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 14.14 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.68 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 has a general score of 85.5, which is much better than the Asus ZenFone 4 Pro's score of 75.5. The Galaxy A51 construction is way newer and a little bit lighter than the Asus ZenFone 4 Pro's, although it is also just a bit thicker. Both devices in our current comparison come with Android operating system, but Galaxy A51 has the previous 11 version while Asus ZenFone 4 Pro has Android 8.0 Oreo version.
Samsung Galaxy A51 and Asus ZenFone 4 Pro have similar screens, although the Samsung Galaxy A51 also has a just a little higher display density, a bit higher 1080 x 2400 resolution and a bigger screen. Asus ZenFone 4 Pro features just a little better processing power than Galaxy A51, and although they both have a Octa-Core processing unit, the Asus ZenFone 4 Pro also has more RAM memory.
Galaxy A51 captures much clearer photos and videos than Asus ZenFone 4 Pro, because although it has a smaller diafragm aperture which is not favorable for capturing photos and videos in poorly lited environments, and they both have the same video quality and the same video frame rates, the Galaxy A51 also counts with a much larger back-facing camera sensor capturing more light and vivid colors and a camera with way more mega-pixels.
Asus ZenFone 4 Pro has just a bit bigger memory capacity to install applications and games than Galaxy A51, because although it has 0 less internal storage, it also counts with a SD extension slot that holds up to 1,95 TB. Samsung Galaxy A51 counts with a bit longer battery life than Asus ZenFone 4 Pro, because it has a 4000mAh battery size.
The Samsung Galaxy A51 not only is the best phones of the ones we are comparing here, but it's also very cheap compared to the other phones.
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