Display
OnePlus 6T: 6.41-inch full-HD+ Optic AMOLED panel with an aspect ratio of 19.5:9. Comes with Corning Gorilla Glass 6 protection. iPhone XS: 5.8-inch OLED Super Retina display. Google Pixel 3: 5.5-inch full-HD+ flexible OLED display panel with an aspect ratio of 18:9. Comes with Corning Gorilla Glass 5 protection.
Processor
OnePlus 6T: 64-bit octa-core Qualcomm Snapdragon 845 SoC. iPhone XS: A12 Bionic. Google Pixel 3: 64-bit octa-core Qualcomm Snapdragon 845 SoC.
RAM and storage
OnePlus 6T: 6GB or 8GB RAM, 128GB and 256GB storage variants. iPhone XS: RAM not disclosed, 64GB, 256GB and 512GB storage variants. Google Pixel 3: 4GB RAM, 64GB and 128GB storage models.
Support for microSD card
OnePlus 6T: No iPhone XS: No Google Pixel 3: No
Operating system
OnePlus 6T: Android 9.0 Pie skinned with OxygenOS. iPhone XS: iOS 12 Google Pixel 3: Stock version of Android 9.0 Pie.
Primary cameras
OnePlus 6T: 16MP Sony IMX519 sensor with f/1.7 aperture + 20MP Sony IMX376K sensor with f/1.7 aperture. iPhone XS:12MP wide-angle sensor with f/1.8 aperture + 12MP telephoto sensor with f/2.4 aperture. The cameras comes with 2x optical zoom and a 6-element lens. Google Pixel 3: 12.2MP dual-pixel rear camera with f/1.8 aperture.
Selfie cameras
OnePlus 6T: 16MP Sony IMX371 sensor with f/2.0 aperture. iPhone XS: 7MP RGB selfie camera with f/2.2 aperture. Google Pixel 3: 8MP wide-angle lens with f/2.2 aperture + 8MP normal lens with f/1.8 aperture.
Battery
OnePlus 6T: 3,700mAh with support for 5V/ 4A fast charge technology iPhone XS: Not disclosed. Google Pixel 3: 2,915mAh
Starting price
OnePlus 6T: $549 iPhone XS: $999 Google Pixel 3: $799
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