Check to compare ATI Radeon HD 5970 [Radeon HD 5970] Chip codename: Hemlock, Interface: PCI-Express 2.0 x16, Memory: 2048 MB, Memory controller: 1000 bit, DirectX version: DirectX 11.0, Unified Shaders: 3200 Specs Reviews User reviews Check to compare ATI Radeon HD 5870 [Radeon HD 5870] Chip codename: Cypress XT, Interface: PCI-Express 2.0 x16, Memory: 1024 MB, Memory controller: 256 bit, DirectX version: DirectX 11.0, Unified Shaders: 1600 Specs Reviews User reviews Check to compare ATI Radeon HD 4870 X2 [Radeon HD 4870 X2] Chip codename: R700, Interface: PCI-Express 2.0 x16, Memory: 2048 MB, Memory controller: 256 bit, DirectX version: DirectX 10.1, Unified Shaders: 1600 Specs Reviews User reviews Prices1 (0 with stock) $ 749,99$ 749,99 Check to compare ATI Radeon HD 5870 Triple CrossFireX [Radeon HD 5870 Triple CrossFireX] Chip codename: Cypress XT, Interface: PCI-Express 2.0 x16, Memory: 1024 MB, Memory controller: 256 bit, DirectX version: DirectX 11.0, Unified Shaders: 1600 Specs Reviews User reviews Check to compare ATI Radeon HD 4870 X2 Crossfire [Radeon HD 4870 X2 Crossfire] Chip codename: R700, Interface: PCI-Express 2.0 x16, Memory: 2048 MB, Memory controller: 256 bit, DirectX version: DirectX 10.1, Unified Shaders: 1600 Specs Reviews User reviews Check to compare ATI Radeon HD 5870 CrossFireX [Radeon HD 5870 CrossFireX] Chip codename: Cypress XT, Interface: PCI-Express 2.0 x16, Memory: 1024 MB, Memory controller: 256 bit, DirectX version: DirectX 11.0, Unified Shaders: 1600 Specs Reviews User reviews