Compare phones
| Global Score | |
| 73.5 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 9.0 Pie, 7.0 Nougat | Android 11, 10, 9.0 Pie |
| 2017-07-01 | 2019-05-07 |
| 6.00 x 2.94 x 0.31 inches | 5.96 x 2.76 x 0.32 inches |
| 6.38 ounces | 5.19 ounces |
| Black, Gold, Rose gold and Silver | Black, Purple and White |
| Aluminum | Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 186.00 |
| Display / Screen | |
| 5.5 inches | 5.6 inches |
| 1920 x 1080 pixels (Full HD) | 2220 x 1080 pixels |
| Super AMOLED | OLED |
| 401 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP2 GPU | Adreno 615 GPU |
| 8.73 | 9.09 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 7.48 | 7.7 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.20 MP + 8.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 28.00mm focal length |
| -- | 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 |
| 9.02 | 9.79 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 4.96 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Google Pixel 3a has a general score of 78.8, which is a little bit better than the Galaxy J7 (2017)'s score of 73.5. Both of these devices include Android operating system, but Google Pixel 3a has the older 11 version while Galaxy J7 (2017) has Android 9.0 Pie. Google Pixel 3a is a newer and lighter cellphone than the Galaxy J7 (2017), but it's just a little thicker.
Google Pixel 3a has a bit faster CPU than Samsung Galaxy J7 (2017), and although they both have a Octa-Core processor, the Google Pixel 3a also has a greater amount of RAM memory. Google Pixel 3a features a little bit better looking display than Samsung Galaxy J7 (2017), because it has a quite larger screen, a quite better resolution of 1080 x 2220 and a little bit better pixels density.
The Google Pixel 3a has just a bit bigger storage for applications, games, photos and videos than Galaxy J7 (2017), because although it has no SD extension slot, it also counts with more internal memory. The Google Pixel 3a shoots clearer videos and photos than Galaxy J7 (2017), because although it has a back facing camera with a lower 12.2 megapixels resolution and a tinier camera aperture which is worse for taking pictures and video in poorly lited environments, it also counts with a lot better 3840x2160 video quality.
Samsung Galaxy J7 (2017) features better battery life than Google Pixel 3a, because it has 3600mAh of battery capacity.
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