Compare phones
| Global Score | |
| 72.7 | 82.9 |
| Basic Information | |
| Samsung | |
| Android 8.0 Oreo | Android 11, 10 |
| 2018-06-29 | 2020-08-20 |
| 6.03 x 3.00 x 0.34 inches | 5.67 x 2.73 x 0.32 inches |
| 6.38 ounces | 5.04 ounces |
| 16 777 216 | Just black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 349.00 |
| Display / Screen | |
| 5.5 inches | 5.8 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | OLED |
| 267 pixels per inch | 444 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.3 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 730G SM7150-AA chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 618 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.20 MP + 8.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 28.00mm focal length | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.13 | 9.79 |
| 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 | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3140mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.12 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Google Pixel 4a is much better than Samsung Galaxy J7 Refine, with a global score of 82.9 against 72.7. These devices include Android operating system, but the Google Pixel 4a has the previous 11 version and Samsung Galaxy J7 Refine has Android 8.0 Oreo. The Google Pixel 4a body is much newer, just a little bit thinner and noticeably lighter than the Samsung Galaxy J7 Refine.
The Google Pixel 4a features just a bit better processing power than Galaxy J7 Refine, and although they both have a Octa-Core CPU, the Google Pixel 4a also has 4 GB more RAM. Google Pixel 4a features a better display than Galaxy J7 Refine, because it has a lot higher 1080 x 2340 resolution, a bit larger screen and a much better pixel count per inch in the screen.
The Google Pixel 4a counts with slightly more memory capacity to store more apps and games than Samsung Galaxy J7 Refine, because although it has no external memory card slot, it also counts with more internal storage. The Google Pixel 4a features a slightly better camera than Galaxy J7 Refine, because although it has a back facing camera with a lower 12.2 megapixels resolution, and they both have the same diafragm aperture, the Google Pixel 4a also counts with a way better 3840x2160 video definition and a larger camera sensor shooting better quality photos.
The Samsung Galaxy J7 Refine counts with just a little better battery lifetime than Google Pixel 4a, because it has a 3300mAh battery capacity instead of 3140mAh.
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