Radeon RX Vega 64 and Topaz - video card comparison

Radeon RX Vega 64

Topaz

Architecture

Vega (2017−2021)

GCN 3.0 (2014−2017)

GPU code name

Vega

Topaz

Market segment

Desktop

Desktop

Release date

August 2017

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

2x 8-pin

-

Boost clock speed

1546 MHz

-

Core clock speed

1630 MHz

-

Floating-point performance

13,353 gflops

-

Manufacturing process technology

14 nm

28 nm

Number of transistors

12,500 million

1,550 million

Pipelines / CUDA cores

4096

384

Power consumption (TDP)

295 Watt

-

Texture fill rate

395.8

-

Memory type

HBM2

-

Maximum RAM amount

8 GB

-

Memory bus width

2048 Bit

-

Memory clock speed

945 MHz

-

Memory bandwidth

483.8 GB/s

-

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

-

HDMI

+

-

DirectX

12 (12_1)

12 (12_0)

OpenCL

2.0

2.1

OpenGL

4.6

4.6

Shader Model

6.4

6.5

Vulkan

1.1.125

1.2.170