Duplicate entry '0' for key 'PRIMARY' Sapphire Radeon HD 4890 1GB - Specs & Reviews

Sapphire Radeon HD 4890 1GB

Tags: hd 4890, sapphire
Average Rating:*****
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... (more info)

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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