Multi-graphics
The ATI CrossFire X technology supports multiple video cards to be connected to enhance the visual display and 3D rendering capabilities of the system, using AFR mode and/or scissor mode. Alternatively, systems with multiple video card CrossFire X setup will support multiple display monitors up to eight.
For the AMD 790FX chipset, the CrossFire X [41] technology allows up to 4 video cards to be connected, made possible as the chipset supports four physical PCI-E x16 slots [11]. The PCI-E lanes can be configured for 4 slots at x8 bandwidth or 2 slots at x16 bandwidth (16x-16x, 8x-8x-8x or 8x-8x-8x-8x CrossFire X setup). Reports indicate 2.6 times the performance with triple-card CrossFire than that of a single card,[42] and more than 3.3 times the performance increase for quad-card CrossFire [41]. Gigabyte have revealed in a leaked product presentation that the four card CrossFire X setup does not require CrossFire connectors [43]; the data will be exchanged among the PCI-E slots which is monitored and controlled by Catalyst drivers.
For the performance segment, CrossFire on the AMD 790X chipset has two physical PCI-E x16 slots [11] with one operating at x8 bandwidth (dual-card 16x-8x CrossFire), supporting up to four display monitors.
Multi-graphics is also supported for the 790GX IGP chipset, named as Hybrid CrossFire X.
The ATI CrossFire X technology supports multiple video cards to be connected to enhance the visual display and 3D rendering capabilities of the system, using AFR mode and/or scissor mode. Alternatively, systems with multiple video card CrossFire X setup will support multiple display monitors up to eight.
For the AMD 790FX chipset, the CrossFire X [41] technology allows up to 4 video cards to be connected, made possible as the chipset supports four physical PCI-E x16 slots [11]. The PCI-E lanes can be configured for 4 slots at x8 bandwidth or 2 slots at x16 bandwidth (16x-16x, 8x-8x-8x or 8x-8x-8x-8x CrossFire X setup). Reports indicate 2.6 times the performance with triple-card CrossFire than that of a single card,[42] and more than 3.3 times the performance increase for quad-card CrossFire [41]. Gigabyte have revealed in a leaked product presentation that the four card CrossFire X setup does not require CrossFire connectors [43]; the data will be exchanged among the PCI-E slots which is monitored and controlled by Catalyst drivers.
For the performance segment, CrossFire on the AMD 790X chipset has two physical PCI-E x16 slots [11] with one operating at x8 bandwidth (dual-card 16x-8x CrossFire), supporting up to four display monitors.
Multi-graphics is also supported for the 790GX IGP chipset, named as Hybrid CrossFire X.
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