| Global Score | |
| 85.5 | 77 |
| Basic Information | |
| Samsung | HTC |
| Android 11, 10 | -- |
| 2019-12-27 | 2017-02-21 |
| 6.24 x 2.90 x 0.31 inches | 6.39 x 3.14 x 0.31 inches |
| 6.07 ounces | 6.00 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | 16 777 216 |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | $ 749.00 |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 2400 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | S-LCD 5 |
| 405 pixels per inch | 515 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.5 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit (Quad-Core 2150 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 14.14 | 14.66 |
| Camera | |
| 48.00 MP + 32.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 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 | |
| 4000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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 | -- |
Samsung Galaxy A51 is much better than HTC U Ultra, getting an 85.5 score against 77. The Samsung Galaxy A51 design has the same thickness than the HTC U Ultra, but it's a bit heavier. Samsung Galaxy A51 has a little better processing power than HTC U Ultra, and although they both have 4 GB of RAM, the Samsung Galaxy A51 also has a higher number of cores (and also faster).
HTC U Ultra counts with a little sharper display than Galaxy A51, because although it has a little bit smaller screen, it also counts with a greater amount of pixels per inch of screen and a higher resolution of 1440 x 2560 pixels. The HTC U Ultra features a little bit better storage capacity to install applications and games than Galaxy A51, because although it has only 64 GB internal memory, it also counts with a slot for an external memory card that allows up to 1,95 TB.
Galaxy A51 has better battery life than HTC U Ultra, because it has 4000mAh of battery capacity instead of 3000mAh. The Galaxy A51 captures better videos and photos than HTC U Ultra, because although it has a tinier camera aperture which is not good for low light images and videos, and they both have the same 30 frames per second video frame rates and the same (4K) video resolution, the Galaxy A51 also counts with a lot more MP camera in the back and a bigger back camera sensor.
Samsung Galaxy A51 not only is the best phones in our current comparison, but it's also a bargain compared to the other ones.
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