I currently have a 1st gen Amazon firebox connected to an old 37" LCD. I bought the fire box because I found the original fire stick very laggy and slow to load up. 
I'm about to purchase a 55" OLED TV (LG C9), and I want to take advantage of the 4k capabilities by getting a better fire stick. Is the latest 4k firestick smooth in day to day operation, or do I need the Cube for that sort of performance?
	
		
			
		
		
	
				
			I'm about to purchase a 55" OLED TV (LG C9), and I want to take advantage of the 4k capabilities by getting a better fire stick. Is the latest 4k firestick smooth in day to day operation, or do I need the Cube for that sort of performance?
 
	 
  
 
		 
 
		 
 
		 
 
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