Compare phones
| Global Score | |
| 74.6 | 89.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11 |
| -- | 2022-01-11 |
| 6.04 x 3.04 x 0.32 inches | 6.13 x 2.93 x 0.31 inches |
| 6.14 ounces | 6.00 ounces |
| 16 777 216 | -- |
| Plastic | Metal and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 267 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680 Prime, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| ARM Mali-G71 GPU | Adreno 660 GPU |
| 8.82 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 12.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 9.02 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3000mAh Battery | 4500mAh Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 FE has a score of 89.1, which is better than Galaxy J7 Duo's 74.6 overall score. Galaxy S21 FE's construction is just a little bit lighter and a bit thinner than Galaxy J7 Duo. These phones use Android OS, but the Galaxy S21 FE has an older 11 version while Galaxy J7 Duo has Android 8.0 Oreo.
The Samsung Galaxy S21 FE counts with a more vivid screen than Galaxy J7 Duo, because it has a way better 1080 x 2340 resolution, a bigger display and a lot higher display pixel density. The Galaxy S21 FE features a bit faster processing unit than Samsung Galaxy J7 Duo, and although they both have 8 CPU cores, the Galaxy S21 FE also has more RAM memory.
The Galaxy S21 FE has a greater memory for applications, games, photos and videos than Galaxy J7 Duo, because although it has no external memory slot, it also counts with 128 GB internal memory. Samsung Galaxy S21 FE captures a bit better pictures and videos than Samsung Galaxy J7 Duo, because although it has a back-facing camera with a lower 12 mega-pixels resolution, it also counts with a lot higher video resolution and a larger diafragm aperture.
Galaxy S21 FE features a much better battery life than Samsung Galaxy J7 Duo, because it has a 4500mAh battery capacity.
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