Compare phones
| Global Score | |
| 72.6 | 85.5 |
| Basic Information | |
| Asus | Samsung |
| Android 12 | Android 11, 10 |
| 2022-07-28 | 2019-12-27 |
| 5.77 x 2.68 x 0.36 inches | 6.24 x 2.90 x 0.31 inches |
| 5.96 ounces | 6.07 ounces |
| -- | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.9 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 446 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm) chipset | Samsung Exynos 9611 chipset |
| processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 730 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 50.00 MP + 12.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 14.40mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.43 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4300mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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
The Samsung Galaxy A51 has a global score of 85.5, which is better than Asus Zenfone 9's 72.6 global score. The Samsung Galaxy A51 design is thinner than Asus Zenfone 9, but it's a little bit heavier and was released many years before. Both of these phones come with Android OS (Operating System), but the Samsung Galaxy A51 has older 11 version while Asus Zenfone 9 has Android 12 version.
The Galaxy A51 has a much better performing processor than Asus Zenfone 9, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. Samsung Galaxy A51 has a little sharper display than Asus Zenfone 9, because although it has a quite lower pixels density, and they both have exactly the same 1080 x 2400 resolution, the Samsung Galaxy A51 also counts with a quite larger screen.
The Asus Zenfone 9 has a slightly better camera than Galaxy A51, because it has a larger aperture for better low-light images and videos, a way higher video definition, a camera in the back with a higher resolution and a much bigger back camera sensor capturing more light and vivid colors. Galaxy A51 counts with much more memory to install games and applications than Asus Zenfone 9, and although they both have exactly the same internal storage, the Galaxy A51 also has a SD extension slot that supports a maximum of 512 GB.
The Asus Zenfone 9 counts with a bit better battery life than Galaxy A51, because it has a 4300mAh battery size instead of 4000mAh.
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