Graphics: AMD Radeon R9 M295X. GPU Option:AMD Radeon R9 M295X 4GB. iMac Model Number: A1419. Model Number:A1419. Apple iMac A1419 27" Late 2013 Logic Board i5 3.4GHz GTX 780M 4GB w/128GB SSD. Apple iMac 27" A1419 Late 2012 Logic Board i5 3.2GHz GTX 675MX 1GB EMC 2546.
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