The Google Pixel 3 XL Specification :

Display:

• Size: 6.3-inch P-OLED display  
• Resolution: 1440 x 2960 pixels (QHD+)  
• Pixel Density: 522 ppi
• Features: Vibrant colors, deep blacks, and a high refresh rate for smooth visuals.  

Performance:

• Processor: Qualcomm Snapdragon 845  
• RAM: 4GB  
• Storage: 64GB or 128GB  
• Operating System: Android 9.0 Pie (upgradable to Android 12)  
• Performance: Flagship-level performance for smooth multitasking and demanding apps.

Camera:

• Rear Camera:
  • Dual-lens setup: 12.2MP main lens and 16MP telephoto lens
  • Features: Phase Detection Autofocus (PDAF), Laser autofocus, dual-LED flash, OIS
  • Capabilities: Exceptional image quality, especially in low-light conditions, thanks to Google's advanced computational photography.  
• Front Camera:
  • Dual-lens setup: 8MP main lens and 8MP wide-angle lens
  • Features: Fixed focus
  • Capabilities: High-quality selfies and group photos.

Battery:

• Capacity: 3430mAh
• Battery Life: Good battery life, lasting a full day with moderate usage.
• Charging: Supports fast charging.

Design:

• Build: Glass front and back with an aluminum frame  
• Colors: Just Black, Clearly White, Not Pink
• Design: Sleek and premium design with a notch at the top of the display.

Additional Features:

• Connectivity: Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS, NFC, USB Type-C  
• Security: Fingerprint sensor
• Audio: Stereo speakers, Active noise cancellation with microphone

Overall:

The Pixel 3 XL was a powerful smartphone with a focus on camera quality and software features. While it may not have the latest hardware, its strong performance and excellent camera system make it a great choice for many users.