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Sapphire Radeon HD 4890 1GB
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The HD 4890. Building off the wildly successful HD 4800 Series architecture, the HD 4890 further uncaps the potential of the ATI Radeon™ HD 4800 Series with great clock speed increases. The HD 4890 supports DirectX® 10.1 with Shader Model 4.1, integrated HDMI, integrated HDCP and native support...
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| Name: | Sapphire Radeon HD 4890 1GB |
| Part Number: | 21150-00-40R |
| Manufacturer: | Sapphire |
| Process | 55 nm |
| Transistors | 956M |
| Engine Clock | 850 MHz |
| Stream Processors | 800 |
| Compute Performance | 1.36 TFLOPs |
| Texture Units | 40 |
| Texture Fillrate | 34.0 GTexels/s |
| ROPs | 16 |
| Pixel Fillrate | 13.6 GPixels/s |
| Z/Stencil | 64 |
| Z Fillrate | 54.4 GSamples/s |
| Memory Type | GDDR5 |
| Memory Clock | 975 MHz |
| Frame Buffer Size | 1GB |
| Memory Data Rate | 3.9 Gbps |
| Memory Bus | 256-bit |
| Memory Bandwidth | 124.8 GB/s |
| Maximum Board Power | 190 W |
| Idle Board Power | 60W |
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