Compare phones
| Global Score | |
| 76.1 | 76.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 10, 8.0 Oreo |
| 2020-06-29 | 2018-06-28 |
| 6.61 x 3.02 x 0.32 inches | 6.27 x 2.98 x 0.32 inches |
| 6.81 ounces | 6.24 ounces |
| Black | Black, Blue, Gold and Pink |
| Plastic and Plastic | Plastic |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 1600 x 720 pixels | 1480 x 720 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 274 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.2 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 450 SDM450 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 506 GPU |
| 9.27 | 8.91 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.84 | 10.78 |
| Camera | |
| 16.00 MP + 13.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.35 | 9.46 |
| 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 and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy J8 has a score of 76.7, which is just a bit better than Galaxy A21's 76.1 score. Galaxy J8 is a just a little lighter cellphone than Galaxy A21, but both of them have the same thickness. These phones come with the same Android 10 OS. The Samsung Galaxy A21 counts with a little more vivid display than Galaxy J8, because although it has a quite worse quantity of pixels per screen inch, it also counts with a little bit bigger screen and a slightly higher 720 x 1600 resolution.
Galaxy A21 counts with a bit superior processing unit than Galaxy J8, although it has 1 GB less RAM memory, they both have 8 processing cores. Galaxy J8 counts with a little bit more storage to store more apps and games than Galaxy A21, because although it has a slot for SD memory cards that admits up to 256 GB against 512 GB, it also counts with more internal memory.
Samsung Galaxy A21 counts with a little better battery lifetime than Galaxy J8, because it has 4000mAh of battery capacity. Samsung Galaxy J8 features a bit better camera than Galaxy A21, and although they both have the same (Full HD) video definition, the same video frame rates and a same resolution back facing camera, the Samsung Galaxy J8 also has a bigger camera aperture to take better low light captures and a larger camera sensor providing a higher image quality.
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