Four 64-bit memory controllers yield an aggregate 256-bit memory bus. The GPU’s back-end is made up of eight render partitions, each with four full-color ROPs, totaling 32 ROPs. AMD shears off four compute units from Pitcairn to create the Radeon HD 7850, resulting in 1024 shaders 64 texture units. In an uncut GPU, those numbers multiply out to 1280 total shaders and 80 texture units. ![]() Pitcairn hosts 20 compute units, each with four vector units made up of 16 stream processors and a single texture unit. That’s nearly twice as large as the GPU at the heart of Radeon HD 7770, but around two-thirds of Tahiti, which drives the Radeon HD 7970. The graphics processor is composed of 2.8 billion transistors in a 212 mm 2 die manufactured on TSMC’s 28 nm lithography node. Code-named Pitcairn, we finally have a solution in between the flagship Tahiti and the entry-level Cape Verde. This is the third distinct Graphics Core Next-based ASIC from AMD in as many months. : Radeon HD 7800s: Great Performance, Price, And Power.: Benchmark Results: MediaEspresso, Luxmark 2.0, Bitmining.: Benchmark Results: World Of Warcraft.: Benchmark Results: The Elder Scrolls V: Skyrim.: Benchmark Results: Batman: Arkham Asylum.: Benchmark Results: 3DMark 11 And Unigine Heaven.: Texture Optimizations And The Radeon HD 7000s.: Features, MLAA 2.0, And SSAA Updates.: Radeon HD 78: A Paper Launch by Any Other Name.Radeon HD 78: A Paper Launch by Any Other Name
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