| Global Score | |
| 87.4 | 77 |
| Basic Information | |
| Samsung | HTC |
| Android 5.0 | -- |
| 2015-04-11 | 2017-02-21 |
| 5.65 x 2.78 x 0.27 inches | 6.39 x 3.14 x 0.31 inches |
| 4.87 ounces | 6.00 ounces |
| Black, Blue, Gold and White | 16 777 216 |
| Aluminium and Glass | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | $ 749.00 |
| Display / Screen | |
| 5.1 inches | 5.7 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | S-LCD 5 |
| 576 pixels per inch | 515 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.5 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo, 64-bit (Quad-Core 2150 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 530 GPU |
| 10.08 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 1,95 TB) external memory slot |
| 10.1 | 14.66 |
| Camera | |
| 16.00 MP + 5.00 MP | 12.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.38 inches (1/2.6") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 10.01 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 4.96 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Samsung Galaxy S6 has an overall score of 87.4, which is better than HTC U Ultra's score of 77. The Samsung Galaxy S6 construction is lighter and thinner than the HTC U Ultra, although it was released just a bit further than a year before. The Galaxy S6 has a more vivid screen than HTC U Ultra, because although it has a bit smaller screen, and they both have the same resolution of 2560 x 1440 pixels, the Galaxy S6 also counts with a just a bit better quantity of pixels per inch in the display.
Samsung Galaxy S6 features a quite superior processing power than HTC U Ultra, because although it has 1 GB lesser RAM, it also counts with a 64 bits processor, a graphics co-processor and a higher number of cores. HTC U Ultra counts with a superior storage capacity to install games and applications than Galaxy S6, because although it has less internal memory, it also counts with a slot for an SD memory card that allows a maximum of 1,95 TB.
The HTC U Ultra counts with a little longer battery lifetime than Galaxy S6, because it has an 18 percent more battery capacity. The Galaxy S6 captures just a bit better photos and videos than HTC U Ultra, because although it has a tinier back camera sensor offering a lower image quality and a smaller aperture which is worse for capturing images and/or video in low-light situations, and they both have the same video frame rates and the same (4K) video resolution, the Galaxy S6 also counts with a camera in the back with a way higher resolution.
The Galaxy S6 is not only the best phones between the ones we are comparing, but it's also a bargain compared to the other ones.
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