| Global Score | |
| 73.3 | 87.4 |
| Basic Information | |
| Asus | Samsung |
| Android 6.0 Marshmallow | Android 5.0 |
| 2016-07-12 | 2015-04-11 |
| 7.34 x 3.70 x 0.27 inches | 5.65 x 2.78 x 0.27 inches |
| 8.22 ounces | 4.87 ounces |
| Gold, Gray, Pink and Silver | Black, Blue, Gold and White |
| Aluminum | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 6.8 inches | 5.1 inches |
| 1920 x 1080 pixels (Full HD) | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 324 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.6 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Exynos 7 Octa 7420 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 510 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 8.91 | 10.08 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 12.86 | 10.1 |
| Camera | |
| 23.00 MP + 8.00 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| -- | 28.00mm focal length |
| -- | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (24 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | -- |
| 10.01 | 10.01 |
| 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, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4600mAh Li - Ion Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.48 | 4.56 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 4.1 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Samsung Galaxy S6 has a general score of 87.4, which is much better than the Asus ZenFone 3 Ultra's overall score of 73.3. Samsung Galaxy S6's construction has the same thickness than Asus ZenFone 3 Ultra, but it's lighter. Both of these devices include Android OS (operating system), but Samsung Galaxy S6 has the older 5.0 version and Asus ZenFone 3 Ultra has Android 6.0 Marshmallow.
Samsung Galaxy S6 counts with a superior CPU than Asus ZenFone 3 Ultra, because although it has less RAM memory, and they both have the same number of cores, the Samsung Galaxy S6 also counts with a 64 bits processing unit and an extra graphics co-processor. The Samsung Galaxy S6 has a way better looking screen than Asus ZenFone 3 Ultra, because although it has a lot smaller display, it also counts with a lot more pixels per inch of screen and a better resolution of 2560 x 1440px.
Asus ZenFone 3 Ultra features a superior memory capacity to install applications and games than Galaxy S6, and although they both have the same internal storage capacity, the Asus ZenFone 3 Ultra also has a SD memory slot that admits a maximum of 200 GB. The Asus ZenFone 3 Ultra counts with a way better battery performance than Galaxy S6, because it has a 4600mAh battery size.
The Samsung Galaxy S6's camera is just as good as the Asus ZenFone 3 Ultra one, because although the Samsung Galaxy S6 has a lower 3840x2160 (4K) video quality and a lot less mega-pixels camera in the back, it also counts with a bigger aperture to capture better low-light images and videos.
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