Compare phones
| Global Score | |
| 74.8 | 76.1 |
| Basic Information | |
| Samsung | |
| Android 11 | Android 10 |
| 2021-06-21 | 2020-06-29 |
| 6.24 x 2.89 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 6.56 ounces | 6.81 ounces |
| -- | Black |
| Glass | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 411 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Mediatek Helio P35 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.43 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A21 has an overall score of 76.1, which is a bit better than realme GT 5G's overall score of 74.8. Even though the Galaxy A21 is older and a little bit heavier than the realme GT 5G, it's design is still a bit thinner. These phones include Android OS (operating system), but Galaxy A21 has 10 version and realme GT 5G has Android 11 version.
The realme GT 5G has a better display than Samsung Galaxy A21, because although it has a quite smaller screen, it also counts with a way better 1080 x 2400 resolution and a lot greater pixels count per inch of screen. The realme GT 5G features just a bit better hardware performance than Samsung Galaxy A21, and although they both have a Octa-Core CPU, the realme GT 5G also has more RAM.
The realme GT 5G counts with a greater camera than Samsung Galaxy A21, and although they both have a same size aperture, the realme GT 5G also has a much more MP back-facing camera, a much higher 3840x2160 (4K) video definition and a way larger sensor taking more light and vivid colors. Realme GT 5G has slightly more memory capacity to install games and applications than Galaxy A21, because although it has no slot for an external memory card, it also counts with 96 GB more internal storage.
Realme GT 5G counts with just a little bit longer battery duration than Samsung Galaxy A21, because it has a 13 percent more battery size.
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