Tahiti and Radeon HD 6930 - video card comparison

Tahiti

Radeon HD 6930

Architecture

GCN 1.0 (2012−2020)

TeraScale 3 (2010−2013)

GPU code name

Tahiti

Cayman

Market segment

Desktop

Desktop

Release date

-

December 2011

Interface

-

PCIe 2.0 x16

Supplementary power connectors

-

2x 6-pin

Core clock speed

-

750 MHz

Floating-point performance

-

1,920.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

4,313 million

2,640 million

Pipelines / CUDA cores

2048

1280

Power consumption (TDP)

-

186 Watt

Texture fill rate

-

60.00

Memory type

-

GDDR5

Maximum RAM amount

-

1 GB

Memory bus width

-

256 Bit

Memory clock speed

-

4800 MHz

Memory bandwidth

-

153.6 GB/s

Display Connectors

-

2x DVI, 1x HDMI, 2x mini-DisplayPort

HDMI

-

+

DirectX

12 (11_1)

11.2 (11_0)

OpenCL

2.1 (1.2)

1.2

OpenGL

4.6

4.4

Shader Model

6.5 (5.1)

5.0

Vulkan

1.2.170

N/A