SAPPHIRE HD 4870 X2 Specification Summary
We are proud to introduce today the HD 4870 X2 - a new DUAL GPU graphics accelerator based on the successful HD 4870 and delivering the highest levels of graphics and gaming performance ever. SAPPHIRE HD 4870 X2 Specification Summary – SKU 21137-00-40R: Chipset HD 4870 x2 Engine clock 750MHz Stream processors 800 x2 RAMDAC 400MHz x2 Memory clock 900MHz GDDR5 Memory interface 256-bit + 256-bit Memory Support 2x 1GB Cooling Active dual slot cooling Bus Interface PCI-Express Gen 2.0 x16 Variable display outputs Dual DVI, HDTV out, VGA & HDMI via adapters Max 3D resolution 2560x1600 (dual-link DVI) 1024 x 768 (TV out) Hardware Features DirectX® 10.1 ShaderModel 4.1 Software Feature ATI AvivoTM * Information provided is accurate at time of writing, but may be subject to change. The SAPPHIRE HD 4870 X2 comprises two complete HD 4870 graphics systems on a single PCI-Express card connected by an on-board PCI Express Gen 2 bridge chip. Each GPU has 1MB of GDDR5 memory, making a total of 2GB on-board memory. Two Dual Link DVI outputs are provided as well as TV-Out. 3D applications such as games use both on-board GPU’s together in CrossFire mode to deliver a single accelerated output on the Primary display only. In this mode, the new SAPPHIRE HD 4870 X2 delivers performance as good or better than two HD 4870 cards in CrossFire mode, making it the fastest performing single card available. The SAPPHIRE HD 4870 X2 is implemented on a single ATX format PCI-Express card, with a fan assisted cooler making it a standard dual-slot configuration. This solution will have immediate appeal to performance users with only a single PCI-Express slot available. On a suitable PCI Express Gen 2.0 CrossFireX mainboard it is also possible to use two SAPPHIRE HD 4870 X2 cards in CrossFireX mode to provide even higher levels of performance. The SAPPHIRE HD 4870 X2 incorporates the latest ATI Avivo� HD Technology for enhanced Video display and features a second generation built in UVD (Unified Video decoder) for the hardware accelerated decoding of Blu-ray� and HD DVD content for both VC-1 and H.264 codecs, as well as mpeg files, reducing CPU loading to a minimum. The SAPPHIRE HD 4870 X2 is HDCP ready and is compatible with the latest High Definition displays. Like other HD 4800 series products it also supports HDMI over the DVI interface with the correct HDMI Adapter. All SAPPHIRE's current graphics cards are Microsoft Windows Vista� certified and supported by the ATI Catalyst� suite of software, ensuring customers have easy and ongoing access to software updates for performance, stability and added features. All trademarks acknowledged.
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