So as you can see there is no difference with the internal display, the Early 2013 and Early/Mid 2014 all offer a Native display Resolution of 1920x1080 within the internal display.
Now the [link|https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] does offer a ***Retina 4K*** display with a native resolution of 4096x2304, with a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
-
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger (more pin) And you can’t plug in the smaller internal non-retina cable into it.
+
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger (more pins) And you can’t plug in the smaller internal non-retina cable into it.
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
+
So as you can see there is no difference with the internal display, the Early 2013 and Early/Mid 2014 all offer a Native display Resolution of 1920x1080 within the internal display.
-
Now the [link|https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] offers a ***Retina 4K*** display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
+
Now the [link|https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] does offer a ***Retina 4K*** display with a native resolution of 4096x2304, with a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
-
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller internal non-retina cable.
+
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger (more pin) And you can’t plug in the smaller internal non-retina cable into it.
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
Now the [link|https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] offers a ***Retina 4K*** display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
-
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
+
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller internal non-retina cable.
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
-
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
+
Now the [link|https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] offers a ***Retina 4K*** display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
-
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2) offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
+
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2)] offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2) offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2) offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
So sadly you would need to replace both the logic board and the display which is just not economical.
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2) offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
So sadly you would need to replace both the logic board and the display which is just not economical.
There are two versions of the 2013 systems
* [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac13,1|2012/Early 2013 (iMac13,1)
* [https://everymac.com/systems/apple/imac/specs/imac-core-i5-2.7-21-inch-aluminum-late-2013-specs.html]
So as you can see there is no difference with the internal display, and the Early/Mid 2014 and Early 2013 all offer a Native display Resolution:1920x1080 within the internal display.
Now the [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac18,2|Late 2015 (iMac18,2) offers a "Retina 4K" display with a native resolution of 4096x2304, a "wide color" DCI-P3 gamut, and brightness of 500 nits. By default, it runs "pixel doubled" at 2048x1152, but also can run at scaled resolutions of 2304x1296 and 1560x1440.
The 2012 through to the non-4K Late 2015 use a different internal interface than the 4K Retina systems. While they look the same the 4K connector is physically bigger! And you can’t plug in the smaller non-retina cable and the image would not be pleasant!
So sadly you would need to replace both the logic board and the display which is just not economical.