Compare phones
| Global Score | |
| 77 | 77.7 |
| Basic Information | |
| HTC | Samsung |
| -- | Android 10 |
| 2017-02-21 | 2020-06-19 |
| 6.39 x 3.14 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 6.00 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Aluminum and Glass | -- |
| Scratch-Resistant Glass | -- |
| $ 749.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| S-LCD 5 | TFT |
| 515 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.5 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset | Samsung Exynos 850 chipset |
| Kryo, 64-bit (Quad-Core 2150 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 530 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 9.84 |
| Camera | |
| 12.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | -- |
| 9.9 | 10.78 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | 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
Galaxy A21s has a general score of 77.7, which is a bit better than the HTC U Ultra's 77 global score. The Galaxy A21s design is a lot newer, but somewhat thicker and somewhat heavier than HTC U Ultra. HTC U Ultra has a brighter screen than Galaxy A21s, because although it has a little bit smaller display, it also counts with a way better pixels amount per inch in the screen and a much higher 1440 x 2560 resolution.
The Samsung Galaxy A21s has a bit more powerful processor than HTC U Ultra, because although it has a smaller amount of RAM memory, it also counts with 4 more CPU cores (although they are slower). The Samsung Galaxy A21s takes a little bit better photos and videos than HTC U Ultra, because although it has a smaller diafragm aperture, and they both have the same 30 fps video frame rate and the same 1920x1080 video definition, the Samsung Galaxy A21s also counts with a lot more mega-pixels back-facing camera and a bigger sensor capturing higher quality photographs.
The HTC U Ultra features a lot bigger storage capacity for games and applications than Samsung Galaxy A21s, because it has 32 GB more internal memory and a slot for an external memory card that supports a maximum of 1,95 TB. Galaxy A21s features a way better battery lifetime than HTC U Ultra, because it has a 5000mAh battery capacity instead of 3000mAh.
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