iFixit has teared down the New Late 2013 iMac. They show the architecture and specifications for the new 27-inch iMac with photos.
The above image we see is a 27-inch New Late 2013 EMC 2639 model. The iMac features a 3.2GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz) with 6MB L3 cache. The display is powered by NVIDIA GeForce GT 755M graphics processor with 1GB of GDDR5 memory. It also comes with 802.11ac Wi-Fi and PCIe flash SSD option. The iMac comes with at least 8 GB DDR3 SDRAM installed as two 4 GB DIMMs into two slots. The maximum amount of RAM you can install in your computer is 32 GB (an 8 GB SO-DIMM in each slot).
There is three Skyworks SE5516 dual-band 802.11a/b/g/n/ac WLAN front-end modules and Broadcom BCM20702 single-chip Bluetooth 4.0 HCI solution with Bluetooth Low Energy (BLE) support. Checkout all this specs in the picture below.
Check the iMac 27″ EMC 2639 Repairability Score by iFixit:
- 5 out of 10 (10 is easiest to repair)
- RAM is user-replaceable without opening the case, thanks to the rear access door.
- You can still replace the hard drive and CPU inside this machine, albeit with some adhesive cutting.
- Components are modular and fairly easy to remove.
- Budget-minded folks now can add a second hard drive to the base iMac because the Fusion Drive connector is no longer missing from the logic board.
- The glass and LCD are fused together, and there are no more magnets holding the glass in place.
- You’ll have to masterfully peel off the old double-sided sticky tape and apply new tape in order to reseal this iMac into original condition.