Radeon RX 580 and GeForce 7900 GX2 - video card comparison

Radeon RX 580

GeForce 7900 GX2

Architecture

Polaris (2016−2019)

Curie (2003−2013)

GPU code name

Polaris 20

G71

Market segment

Desktop

Release date

April 2017

April 2006

Interface

PCIe 3.0 x16

PCIe 1.0 x16

Supplementary power connectors

1x 8-pin

2x 6-pin

Boost clock speed

1340 MHz

Core clock speed

1257 MHz

500 MHz

Floating-point performance

6,175 gflops

Manufacturing process technology

14 nm

90 nm

Number of transistors

5,700 million

278 million

Pipelines / CUDA cores

2304

Power consumption (TDP)

185 Watt

Texture fill rate

193.0

12.00

Memory type

GDDR5

GDDR3

Maximum RAM amount

8 GB

512 MB

Memory bus width

256 Bit

Memory clock speed

8000 MHz

1200 MHz

Memory bandwidth

256.0 GB/s

38.4 GB/s

Display Connectors

1x HDMI, 3x DisplayPort

2x DVI, 1x S-Video

HDMI

DirectX

12 (12_0)

9.0c (9_3)

OpenCL

2.0

N/A

OpenGL

4.6

2.1

Shader Model

6.4

3.0

Vulkan

1.2.131

N/A