The 'late 2015' iMac 5K CPU crunch
													versus two competing Macs
									
											
										 
								Posted October 23rd, 2015 by rob-ART morgan, mad scientist
								The top 'late 2015' 27" iMac 5K is sporting a 4GHz 'Skylake' Quad-Core i7 processor. Let's see how well it can crunch against the main competition.
								
								GRAPH LEGEND
									iMac 5K '15 = 'late 2015' iMac Retina 5K 4.0GHz Quad-Core i7; Radeon R9 M395X GPU; 16G RAM; 1TB flash storage
									iMac 5K '14 = 'late 2014' iMac Retina 5K 4.0GHz Quad-Core i7; Radeon R9 M295X GPU; 16G RAM; 1TB flash storage
									nMP 4c = 'late 2013' Mac Pro 3.7GHz Quad-Core Xeon; 16G RAM; dual FirePro D300 GPUs; 512G flash storage
								(RED graph bar means FASTEST)
								
								
								
								
								
								
								(RED graph bar means FASTEST)
								
							 
							
								INSIGHTS
									The 'late 2015' iMac 5K beat the other two 4-core Macs in every test but Photoshop Noise Reduction. I can't explain that one exception. 
								
								
								
								WHAT'S NEXT? More GPU tests (like at 5120x2880 resolution). Don't miss our other 'late 2015' iMac 5K test pages:
							 
							
								
								Comments? Suggestions? Feel free to email me, 
										
										
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