The Google Pixel 3 XL has 6.3″OLED displays, with 8 MP Dual front facing cameras, 12 MP Rear Camera. It has Pixel Visual Core and Front Firing Stereo speakers. Pixel 3 has Qualcomm Snapdragon 845 with 4GB RAM. It got Android Pie, Soft touch glass back with IP68 Water & Dust Resistance.
On the other hand, The Samsung Galaxy Note 9 features a 6.4″ Super AMOLED Infinity Display. The note has got S Pen with Remote Bluetooth; with 8 GB RAM up-to 512 GB Storage with MicroSD. It has IP68 Water & Dust Resistance, 12MP dual rear camera with dual-aperture. Note 9 have 8 MP Selfie Camera with AF, Qualcomm Snapdragon 845/Exynos 9810. The battery is 4000mAh, Iris Scanner, Facial recognition, Fingerprint scanner and Intelligent Scan.