|Sapphire HD4890 Toxic Vapor-X 11150-01-40R|
|Reviews - Featured Reviews: Video Cards|
|Written by Olin Coles|
|Tuesday, 09 June 2009|
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RV790 GPU Specifications
Tear through the latest games with seamless frame rates and go beyond HD with the power of the ATI RadeonTMHD 4890 graphics processing unit (GPU). Building on the strength of the ATI RadeonTM 4800 series award-winning architecture, this GPU stands out from the rest with massive graphics processing muscle. Take ultimate control over your game and crank it up with scalable performance. Go ahead, max out the settings and put the ATI Radeon HD 4890 through its paces.
The SAPPHIRE HD 4890 series is based on a new RV790 GPU core from the ATI division of AMD. This features the same architecture as the successful HD 4870 series, with 800 stream processor units, 256-bit GDDR5 memory interface and integral hardware video decoder. It also features improved memory management architecture, and technical innovations that allow higher clock speeds and reduce standby power levels.
The SAPPHIRE HD 4890 Toxic Vapor-X Video Card 11150-01-40R now delivers a significantly higher level of performance than the previous generation. The SAPPHIRE HD 4890 Toxic Edition offers the highest specification for the enthusiast with enhanced clock speeds of 960MHz (core) and 1050MHz memory, making it the fastest ATI-based single core graphics card on the market. All SAPPHIRE HD 4890 models use the PCI-Express Gen2 interface, and feature dual connectors for CrossFireX cables, allowing two or more cards to be used together on a CrossFireX compatible mainboard for even higher graphics performance.
Display Output: Dual DL-DVI-I+HDTV
RV790 Core Clock: 960 MHz (up 12.9% from 850 MHz)
Memory Clock: 1050 MHz / 4.2 GHz DDR (up 7.7% from 975 MHz)
PCI Express 2.0 x16 bus interface
1GB /256bit GDDR5 memory interface
Dual-Slot Active Cooler
HDMI compliant via dongle
7.1 Audio Channel Support
Microsoft DirectX 10.1 support
Shader Model 4.1 support
1.36 TFLOPs Computer Power
124.8 GBps Memory Bandwidth
Reference Product Specifications