BlackBerry 4G PlayBook HSPA 
Operating system: BlackBerry Tablet OS; Chipset: TI OMAP 4430; CPU: Dual-core 1 GHz Cortex-A9; GPU: PowerVR SGX540; Sensors: Accelerometer; Messaging: Email, Push Email, IM; Browser: HTML, Adobe Flash; Radio: No; GPS: No; Java: Yes, MIDP 2.1...
BlackBerry RIM 857 
Operating system: RIM BlackBerry 2.0; Chipset: -; CPU: Intel 386EX, 32 bit, Intel 80386; GPU: -; Sensors: No; Messaging: Yes; Browser: No; Radio: No; GPS: No; Java: -; Colors: Dark black; More Feature: - DataTAC 800 Network- Pressable scro...