Compare phones
| Global Score | |
| 74.5 | 90.8 |
| Basic Information | |
| Asus | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11, 10 |
| 2018-05-01 | 2020-04-29 |
| 6.02 x 2.98 x 0.30 inches | 6.26 x 2.90 x 0.34 inches |
| 5.82 ounces | 6.60 ounces |
| Blue and Silver | Prism cube black |
| Aluminum and Glass | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2246 x 1080 pixels | 2400 x 1080 pixels |
| Super IPS+ LCD | Super AMOLED |
| 402 pixels per inch | 405 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Samsung Exynos 980 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 509 GPU | Mali-G76 MP5 GPU |
| 9 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.66 | 15.38 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm 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 | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | 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
Galaxy A51 5G has a score of 90.8, which is much better than the Asus ZenFone 5 (ZE620KL)'s global score of 74.5. Both phones in this review come with Android OS (Operating System), but Galaxy A51 5G has 11 version while Asus ZenFone 5 (ZE620KL) has Android 9.0 Pie version. Galaxy A51 5G's design is newer than Asus ZenFone 5 (ZE620KL)'s, but it's somewhat thicker and heavier.
Galaxy A51 5G has just a little better hardware performance than Asus ZenFone 5 (ZE620KL). Both have 8 processing cores and 6 GB of RAM memory. The Asus ZenFone 5 (ZE620KL) features a bit better screen than Galaxy A51 5G, although it has a little bit smaller screen, a quite lower 1080 x 2246 resolution and a quite inferior pixels count per display inch.
The Samsung Galaxy A51 5G has a better camera than Asus ZenFone 5 (ZE620KL), because although it has a tinier camera aperture which is not good for low light captures, and they both have the same video quality and the same 30 fps video frame rate, the Samsung Galaxy A51 5G also counts with a way higher 48 MP resolution camera and a way bigger back-facing camera sensor taking way higher quality pictures and videos.
The Galaxy A51 5G counts with a little bit more memory capacity for games and applications than Asus ZenFone 5 (ZE620KL), because although it has a SD memory slot that supports 1000 GB smaller, it also counts with more internal memory capacity. Samsung Galaxy A51 5G counts with longer battery lifetime than Asus ZenFone 5 (ZE620KL), because it has a 4500mAh battery size against 3300mAh.
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