Tesla K20X




 Price: $8270


 Price: $8270
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  • Product Overview

    The Tesla K20X video card was launched on November 2012. This video card uses a graphic processor with 2688 cores that run at a speed of 732 MHz. The Tesla K20X has a memory capacity of 6144 MB GDDR5. This graphic card memory has a bandwidth of up to 249.6 GB/s.

    Performance And Power

    The Tesla K20X can produce a total computing power of 3935.23 GFLOPS. In addition, this graphic can reach a pixel fill rate of 35.14 Gigapixels/s and a texture fill rate of 163.97 Gigatexels/s. The Tesla K20X graphic card consumes up to 235 W of power.

    Display Support

    The Tesla K20X uses a PCI-E 3.0 x 16 bus interface.

    Software Support

    The Tesla K20X supports the following libraries: " DirectX 11.0, OpenCL 1.1, Shader Model 5.0 ". OpenGL is a cross language and multi-platform application programming interface for rendering 2D and 3D vector graphics. OpenGL is used to interact with a GPU to harness Hardware-accelerated rendering and eliminates the need to recompile shaders making it an efficient and performance oriented standard. Microsoft DirectX is an Application programming Interface for the Windows operating systems which Integrates well with AMD and NVIDIA GPUs. The Microsoft DirectX 10 is a significant step in 3D graphics. It features a highly optimized runtime, powerfull geometry sharders, and many other features. The Microsoft DirectX 11, introduced with Windows 7, brings numerous improvement over its precedessor DirectX 10. It is designed to be more efficient, supports sophisticated shading and texturing techniques and levearage the use of multi processors, resulting in smoother 3D animations. The open computing language (OpenCL) is programming interface used for general purpose programming across CPUs and GPUs and other processors. The standard gives developers the portability and efficiency of heterogeneous processing platforms.


  • GPU Overview:

    Manufacturer   NVIDIA  
    Target Device   Server High Performance Computing  
    Release Date   November 2012  
    Price at launch   7699  

    GPU Engine:

    CUDA Cores   2688  
    Graphics Clock   732 MHz 


    Single Precision Compute Power   3935.23 GFLOPS 
    Pixel Fill Rate   35.14 Gigapixels/s 
    Texture Fill Rate   163.97 Gigatexels/s 


    Memory Size   6144 MB 
    Memory Interface   GDDR5  
    Memory Interface width   384 bit 
    Effective Memory Clock   5200 Mhz 
    Memory Bandwidth   249.6 GB/s 

    Feature Support:

    Bus Interface   PCI-E 3.0 x 16  
    DirectX   11.0  
    OpenCL   1.1  
    Shader Model   5.0  

    Display Support:

    External connectors:

    Power Connectors   1 x 6-pin;1 x 8-pin  

    Power and Thermal:

    Maximum Power Draw   235 W 


    Length   10.51 inches 267 mm  
    Width   Dual-Slot  


    Architecture   Kepler  
    Fabrication process   28 nm 
    Number of Transistors   7.08 billion  
    Die name   GK110  
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