Compare phones
| Global Score | |
| 77.7 | 77 |
| Basic Information | |
| Samsung | HTC |
| Android 10 | -- |
| 2020-06-19 | 2017-02-21 |
| 6.44 x 2.96 x 0.35 inches | 6.39 x 3.14 x 0.31 inches |
| 6.77 ounces | 6.00 ounces |
| Black, Blue, Red and White | 16 777 216 |
| -- | Aluminum and Glass |
| -- | Scratch-Resistant Glass |
| -- | $ 749.00 |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 1600 x 720 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| TFT | S-LCD 5 |
| 270 pixels per inch | 515 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.5 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo, 64-bit (Quad-Core 2150 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Adreno 530 GPU |
| 9.09 | 8.91 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 9.84 | 14.66 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 10.78 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A21s has a general score of 77.7, which is a little bit better than the HTC U Ultra's score of 77. Galaxy A21s's design is extremely newer, but somewhat heavier and thicker than the HTC U Ultra. HTC U Ultra has a much better looking display than Samsung Galaxy A21s, because although it has a little bit smaller screen, it also counts with way more pixels per inch of screen and a lot higher resolution of 1440 x 2560 pixels.
HTC U Ultra counts with a superior memory capacity to install applications and games than Galaxy A21s, because it has a slot for external memory cards that supports a maximum of 1,95 TB and 64 GB internal memory. The Samsung Galaxy A21s has a little bit better processing power than HTC U Ultra, because although it has a smaller amount of RAM memory, it also counts with a greater number of cores.
Samsung Galaxy A21s has just a bit better camera than HTC U Ultra, because although it has a smaller camera aperture which is not recommended for taking photographs and videos in low light situations, and they both have the same video frame rates and the same video definition, the Samsung Galaxy A21s also counts with a bigger camera sensor providing a better image quality and a much more megapixels camera.
Galaxy A21s counts with a superior battery life than HTC U Ultra, because it has a 67% bigger battery size.
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