Question:

What are the dimensions of the product thumbnail images in CRM?

Answer:

The images are resized in CRM as follows:

• Online: 80px by 80px (=2.1cm x 2.1cm)
• Offline (iPad): 120px by 120px (=3.1cm x 3.1cm)

NOTE: HD quality is not expected as the feature is only intended show a thumbnail of the products.

Related Documentation:

CRM Help Documentation: Viewing Product Thumbnails 

Thank you