Compare phones
| Global Score | |
| 74.6 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 8.0 Oreo | Android 11, 10, 9.0 Pie |
| -- | 2019-05-07 |
| 6.04 x 3.04 x 0.32 inches | 5.96 x 2.76 x 0.32 inches |
| 6.14 ounces | 5.19 ounces |
| 16 777 216 | Black, Purple and White |
| Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 186.00 |
| Display / Screen | |
| 5.5 inches | 5.6 inches |
| 1280 x 720 pixels (HD) | 2220 x 1080 pixels |
| Super AMOLED | OLED |
| 267 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 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 |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Adreno 615 GPU |
| 8.82 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 7.7 |
| Camera | |
| 13.00 MP + 8.00 MP | 12.20 MP + 8.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 28.00mm 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 |
| 9.02 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 3000mAh Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Google Pixel 3a is slightly better than the Samsung Galaxy J7 Duo, getting a global score of 78.8 against 74.6. Google Pixel 3a's construction has the same thickness than the Samsung Galaxy J7 Duo, but it is somewhat lighter. Both of these devices work with Android OS, but Google Pixel 3a has 11 version while Samsung Galaxy J7 Duo has Android 8.0 Oreo.
Google Pixel 3a has a little bit better hardware performance than Samsung Galaxy J7 Duo. They have a 4 GB RAM and the same number of cores. Google Pixel 3a has a better screen than Galaxy J7 Duo, because it has a lot better number of pixels per inch of display, a lot higher 1080 x 2220 resolution and a little bigger display.
The Samsung Galaxy J7 Duo features a greater storage capacity for games and applications than Google Pixel 3a, because although it has only 32 GB internal memory capacity, it also counts with a slot for an external memory card that allows up to 256 GB. The Google Pixel 3a features a battery life that's very similar to the battery performance in Samsung Galaxy J7 Duo.
The Google Pixel 3a counts with a bit better camera than Samsung Galaxy J7 Duo, because although it has a camera with a lower resolution, it also counts with a larger aperture for better low light photos and video, a larger sensor and a way better 3840x2160 (4K) video resolution.
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