GeForce 7900 GX2 and Radeon RX Vega 64 Liquid Cooling - video card comparison

GeForce 7900 GX2

Radeon RX Vega 64 Liquid Cooling

Architecture

Curie (2003−2013)

GCN 5.0 (2017−2020)

GPU code name

G71

Vega 10

Market segment

Desktop

Release date

April 2006

August 2017

Interface

PCIe 1.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

2x 8-pin

Boost clock speed

1668 MHz

Core clock speed

500 MHz

1408 MHz

Floating-point performance

14,336 gflops

Manufacturing process technology

90 nm

14 nm

Number of transistors

278 million

12,500 million

Pipelines / CUDA cores

4096

Power consumption (TDP)

345 Watt

Texture fill rate

12.00

427.0

Memory type

GDDR3

HBM2

Maximum RAM amount

512 MB

8 GB

Memory bus width

256 Bit

2048 Bit

Memory clock speed

1200 MHz

1890 MHz

Memory bandwidth

38.4 GB/s

483.8 GB/s

Display Connectors

2x DVI, 1x S-Video

1x HDMI, 3x DisplayPort

HDMI

DirectX

9.0c (9_3)

12 (12_1)

OpenCL

N/A

2.0

OpenGL

2.1

4.6

Shader Model

3.0

6.4

Vulkan

N/A

1.1.125