Radeon HD 8970 OEM and GeForce 6800 GTO - video card comparison

Radeon HD 8970 OEM

GeForce 6800 GTO

Architecture

GCN 1.0 (2012−2020)

Curie (2003−2013)

GPU code name

Tahiti

NV45

Market segment

Desktop

Release date

January 2013

April 2004

Interface

PCIe 3.0 x16

PCIe 1.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 6-pin

Core clock speed

925 MHz

350 MHz

Floating-point performance

3,789 gflops

Manufacturing process technology

28 nm

130 nm

Number of transistors

4,313 million

222 million

Pipelines / CUDA cores

2048

Power consumption (TDP)

250 Watt

Texture fill rate

118.4

4.200

Memory type

GDDR5

GDDR3

Maximum RAM amount

3 GB

256 MB

Memory bus width

384 Bit

256 Bit

Memory clock speed

5500 MHz

1000 MHz

Memory bandwidth

264.0 GB/s

32 GB/s

Display Connectors

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

2x DVI

HDMI

DirectX

12 (11_1)

9.0c (9_3)

OpenCL

1.2

N/A

OpenGL

4.6

2.1

Shader Model

5.1

3.0

Vulkan

1.2.131

N/A