The iMac "Core i5" 3.4 27-Inch Aluminum (Late 2013/Haswell) features a 22 nm "Haswell" Quad Core 3.4 GHz Intel "Core i5" (4670) processor with four independent processor cores on a single chip, a 6 MB shared level 3 cache, 8GB or 16GB of 1600 MHz DDR3L SDRAM (PC3-12800), and a NVIDIA GeForce GTX 775M graphics processor with 2 GB of dedicated GDDR5 memory. This model has a 27" 2560x1440 LED-backlit 16:9 widescreen IPS display with the "cover glass fully laminated to the LCD and anti-reflective coating." The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
Key Features
Intel Core i5-4570 3.2GHz quad-core processor
3.6GHz Max Turbo Frequency
NVIDIA GeForce GT 755M graphics processor with 1GB of GDDR5 memory