Compare phones
| Global Score | |
| 76.7 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 8.0 Oreo | Android 10 |
| 2018-06-28 | 2020-06-29 |
| 6.27 x 2.98 x 0.32 inches | 6.61 x 3.02 x 0.32 inches |
| 6.24 ounces | 6.81 ounces |
| Black, Blue, Gold and Pink | Black |
| Plastic | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1480 x 720 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 274 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 506 GPU | PowerVR GE8320 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 9.84 |
| Camera | |
| 16.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy J8 has a score of 76.7, which is a little bit better than the Samsung Galaxy A21's global score of 76.1. Both phones we compare here include the same Android 10 operating system, so both of them should count with the same OS features. Galaxy J8 is a a little bit lighter phone than Samsung Galaxy A21, but they are equally thin.
The Galaxy A21 features a bit more vivid screen than Galaxy J8, because although it has a little bit lower display pixels density, it also counts with a quite better 720 x 1600 resolution and a quite bigger display. The Galaxy A21 features a bit superior CPU than Samsung Galaxy J8, although it has less RAM, they both have the same number of cores.
The Samsung Galaxy J8 features a bit better camera than Galaxy A21, and although they both have a same resolution camera, the same 1920x1080 video resolution and the same video frame rates, the Samsung Galaxy J8 also has a larger diafragm aperture and a larger camera sensor taking better quality pictures.
The Samsung Galaxy J8 counts with a slightly bigger memory capacity to install applications and games than Galaxy A21, because although it has a slot for an external memory card that allows a maximum of 256 GB against 512 GB, it also counts with more internal storage capacity. Samsung Galaxy A21 features a little longer battery performance than Galaxy J8, because it has a 4000mAh battery capacity against 3500mAh.
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