Compare phones
| Global Score | |
| 74.8 | 77.7 |
| Basic Information | |
| Samsung | |
| Android 11 | Android 10 |
| 2021-06-21 | 2020-06-19 |
| 6.24 x 2.89 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 6.56 ounces | 6.77 ounces |
| -- | Black, Blue, Red and White |
| Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 411 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Samsung Exynos 850 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") 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 | 10.78 |
| 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, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Nano SIM Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
Samsung Galaxy A21s has an overall score of 77.7, which is slightly better than realme GT 5G's 74.8 score. These phones include Android OS (Operating System), but Samsung Galaxy A21s has an older 10 version while realme GT 5G has Android 11. Samsung Galaxy A21s's body is older, just a bit thicker and a little bit heavier than the realme GT 5G.
Realme GT 5G counts with a much better display than Samsung Galaxy A21s, because although it has a little smaller display, it also counts with a way better 1080 x 2400 resolution and a way greater display pixel density. The realme GT 5G counts with a little bit better memory to install games and applications than Galaxy A21s, because although it has no SD memory slot, it also counts with 128 GB internal memory.
The realme GT 5G has a bit superior CPU than Samsung Galaxy A21s, and although they both have 8 processing cores, the realme GT 5G also has a higher amount of RAM memory. Realme GT 5G has a superior camera than Samsung Galaxy A21s, because it has a way more mega-pixels back facing camera, a larger back-facing camera sensor capturing better quality videos and pictures, a lot higher 3840x2160 (4K) video definition and a bigger camera aperture to capture better photography and videos in poorly lited environments.
The Galaxy A21s counts with just a little bit longer battery life than realme GT 5G, because it has an 11% larger battery capacity.
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