Sapphire HD 6950 2GB DDR5 256-Bits Gaming Graphics Card

The Sapphire HD 6950 2GB DDR5 256-Bits graphics processor is a robust and capable GPU. It is part of the Northern Islands generation, specifically the HD 6900 series, and serves as a successor to the Evergreen series and a predecessor to the Southern Islands series.

Technical Specifications

• GPU Name: Cayman
• GPU Variant: Cayman PRO (215-0807019)
• Architecture: TeraScale 3
• Foundry: TSMC
• Process Size: 40 nm
• Transistors: 2,640 million
• Density: 6.8M / mm²
• Die Size: 389 mm²

Graphics Card Details

• Bus Interface: PCIe 2.0 x16
• Clock Speeds:
  • GPU Clock: 800 MHz
  • Memory Clock: 1250 MHz (5 Gbps effective)
• Memory:
  • Size: 2 GB
  • Type: GDDR5
  • Bus: 256 bit
  • Bandwidth: 160.0 GB/s

Rendering Configuration

• Shading Units: 1408
• Texture Mapping Units (TMUs): 88
• Render Output Units (ROPs): 32
• Compute Units: 22
• L1 Cache: 8 KB per CU
• L2 Cache: 512 KB

Theoretical Performance

• Pixel Rate: 25.60 GPixel/s
• Texture Rate: 70.40 GTexel/s
• FP32 (float): 2.253 TFLOPS
• FP64 (double): 563.2 GFLOPS (1:4 ratio)

Board Design

• Slot Width: Dual-slot
• Length: 286 mm / 260 mm (11.3 inches / 10.2 inches)
• Thermal Design Power (TDP): 200 W
• Suggested PSU: 550 W

Output Options

• Video Outputs:
  • 2x DVI
  • 1x HDMI 1.4a
  • 2x mini-DisplayPort 1.2
  • (Alternative version) 2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2

Power Connectors

• Connectors: 2x 6-pin

Board Number

• Model: 109-C21647-00

Graphics Features

• DirectX: 11.2 (11_0)
• OpenGL: 4.4
• OpenCL: 1.2
• Vulkan: Not Available
• Shader Model: 5.0

Summary

The Sapphire HD 6950 2GB DDR5 is built on the Cayman GPU, utilizing TeraScale 3 architecture, and manufactured by TSMC on a 40 nm process. With a significant transistor count of 2.64 billion and a die size of 389 mm², this GPU is designed for high performance. The graphics card supports multiple display outputs and provides substantial bandwidth and memory capacity for gaming and professional use. Its robust design and reliable performance make it a noteworthy choice in the era of its release, catering to both gaming enthusiasts and professional users requiring high graphical capabilities.