GeForce GTX 1080 11Gbps and Radeon HD 8970 OEM - video card comparison

GeForce GTX 1080 11Gbps

Radeon HD 8970 OEM

Architecture

Pascal (2016−2021)

GCN 1.0 (2012−2020)

GPU code name

GP104

Tahiti

Market segment

Desktop

Release date

April 2017

January 2013

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

1x 6-pin + 1x 8-pin

Boost clock speed

1733 MHz

Core clock speed

1607 MHz

925 MHz

Floating-point performance

8,873 gflops

3,789 gflops

Manufacturing process technology

16 nm

28 nm

Number of transistors

7,200 million

4,313 million

Pipelines / CUDA cores

2560

2048

Power consumption (TDP)

180 Watt

250 Watt

Texture fill rate

277.3

118.4

Memory type

GDDR5X

GDDR5

Maximum RAM amount

8 GB

3 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

11008 MHz

5500 MHz

Memory bandwidth

352.3 GB/s

264.0 GB/s

Display Connectors

1x DVI, 1x HDMI, 3x DisplayPort

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

HDMI

DirectX

12 (12_1)

12 (11_1)

CUDA

6.1

OpenCL

1.2

OpenGL

4.6

Shader Model

6.4

5.1

Vulkan

1.2.131