Topaz and Radeon RX 6800 XT - video card comparison

Topaz

Radeon RX 6800 XT

Architecture

GCN 3.0 (2014−2017)

Navi / RDNA2 (2020−2022)

GPU code name

Topaz

Navi 21

Market segment

Desktop

Desktop

Release date

-

November 2020

Interface

-

PCIe 4.0 x16

Supplementary power connectors

-

2x 8-pin

Boost clock speed

-

2250 MHz

Core clock speed

-

1825 MHz

Manufacturing process technology

28 nm

7 nm

Number of transistors

1,550 million

26,800 million

Pipelines / CUDA cores

384

4608

Power consumption (TDP)

-

300 Watt

Texture fill rate

-

648.0

Memory type

-

GDDR6

Maximum RAM amount

-

16 GB

Memory bus width

-

256 Bit

Memory clock speed

-

16000 MHz

Memory bandwidth

-

512.0 GB/s

Shared memory

-

-

Display Connectors

-

1x HDMI, 2x DisplayPort, 1x USB Type-C

HDMI

-

+

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenCL

2.1

2.0

OpenGL

4.6

4.6

Shader Model

6.5

6.5

Vulkan

1.2.170

1.2