Compare phones
| Global Score | |
| 72.1 | 77.7 |
| Basic Information | |
| HTC | Samsung |
| -- | Android 10 |
| 2015-11-06 | 2020-06-19 |
| 5.74 x 2.79 x 0.29 inches | 6.44 x 2.96 x 0.35 inches |
| 5.04 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| Scratch-Resistant Glass | -- |
| $ 500.00 | -- |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| AMOLED | TFT |
| 441 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 617 8952 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 1500 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 405 GPU | Mali-G76 GPU |
| 8.64 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 12.76 | 9.84 |
| Camera | |
| 13.00 MP + 4.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 2150mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.08 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A21s is just a bit better than HTC One A9, with a general score of 77.7 against 72.1. Galaxy A21s's design is notably newer, but thicker and much heavier than the HTC One A9. Samsung Galaxy A21s features just a little better processing power than HTC One A9. Both of them have the same number of cores and a 3 GB RAM memory.
The HTC One A9 has a brighter display than Galaxy A21s, because although it has a much smaller screen, it also counts with a higher resolution of 1080 x 1920 and a lot higher pixel amount per screen inch. Samsung Galaxy A21s takes a lot better photos and videos than HTC One A9, and although they both have a same size diafragm aperture, the same video resolution and the same video frame rate, the Samsung Galaxy A21s also has a camera with a lot better resolution.
HTC One A9 counts with a much bigger memory capacity to install games and applications than Galaxy A21s, and although they both have equal 32 GB internal memory, the HTC One A9 also has a SD card slot that admits up to 1,95 TB. The Galaxy A21s has a much longer battery lifetime than HTC One A9, because it has a 5000mAh battery size.
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