Usually a vendor will not mention or display their rival products in their product advertising, but not with Amazon with their Kindle Fire HD 8.9 product advertisements.
In the video, you can see Kindle Fire HD 8.9 were compared with iPad.
Amazon is very confident in comparing their Kindle display quality with Retina display, even in this video (bellow) Amazon also mock the iPad selling price which was considered too expensive.
Kindle Fire vs. iPad: Screen Comparison
Kindle Fire HD has 8.9-inch screen with 1920 x 1200 pixels resolution or 254ppi. This product is priced at $299 or $ 200 cheaper than iPad.
