Amazon, Apple and Microsoft launch new mobile computing platforms

Microsoft and Nvidia released the Surface Laptop Ultra on the Arm-based Nvidia RTX Spark N1X chip, priced from $2,599 to $5,899.99. Amazon moved its tablets to vanilla Android with Google Play and aluminum bodies at $299–679.99. Apple unveiled an iPad mini with an 8.5-inch OLED display and A20 Pro chip.

• Surface Laptop Ultra: RTX Spark N1X chip, up to 128 GB LPDDR5x and 2 TB SSD
• Amazon tablets run Android: 8, 11 and 12 inches, priced $299 to $679.99
• iPad mini gets an 8.5-inch OLED screen and A20 Pro chip
• Surface Laptop Ultra costs $2,599 to $5,899.99, shipping later this year