Sapphire Radeon HD 2900 GT Published: 15th April 2015 (last update 4th January 2017 ) Compare to fastest reference R600 board Add to compare GPU GPU type R600 Manufacturing process80 nm Transistors720 million Die size420 mm2 Density1.71 M / mm2 ROPs12 TMUs12 Pixel shaders- Vertex shaders- Unified shaders240 Clock600 MHz Pixel fillrate7 200 MP/s Texel fillrate7 200 MT/s SP gigaflops288 DP gigaflops- DirectX10 OpenGL3.3 OpenCL / Compute ver.- Memory Capacity256 MB TypeGDDR3 Clock1 600 MHz Bus width256 bit Bandwith51 200 MB/s Rated speed- Brand- The card ManufacturerSapphire InterfacePCI-E x16 Interface bandwith4 096 MB/s TDP150 W Analog I/O ports1 × S-Video out, 2 × DVI-I Digital I/O ports2 × DVI-I Independent screens2 Manufacture date31st week of 2007 Release date2007 Sapphire Radeon HD 2900 GT (front side) Sapphire Radeon HD 2900 GT (back side) R600 GPU Asus Radeon HD 2900 XT Sapphire Radeon HD 2900 GT R6xx architecture Asus Radeon HD 2900 XT Sapphire Radeon HD 3850 Gigabyte Radeon HD 2600 XT GDDR3 Sapphire Radeon HD 2900 GT gallery Sapphire Radeon HD 2900 GT gallery