iMac (Retina 5K, 27-inch, 2019) - Technical Specifications
Display
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Retina 5K display
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27-inch (diagonal) Retina 5K display
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5120‑by‑2880 resolution with support for one billion colors
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500 nits brightness
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Wide color (P3)
Processor
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3.0GHz
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3.0GHz 6‑core Intel Core i5 (Turbo Boost up to 4.1GHz)
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Memory
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3.0GHz
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8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible
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Configurable to 16GB or 32GB
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Storage1
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3.0GHz
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1TB HDD
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Configurable to 2TB Fusion Drive or 256GB, 512GB, or 1TB SSD
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Graphics
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3.0GHz
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Radeon Pro 570X with 4GB of GDDR5 memory
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3.1GHz
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Radeon Pro 575X with 4GB of GDDR5 memory
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3.7GHz
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Radeon Pro 580X with 8GB of GDDR5 memory
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Configurable to Radeon Pro Vega 48 with 8GB of HBM2 memory
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