Radeon RX 6800 XT and RTX A4000H - video card comparison

Radeon RX 6800 XT

RTX A4000H

Architecture

Navi / RDNA2 (2020−2022)

Ampere (2020−2022)

GPU code name

Navi 21

GA104

Market segment

Desktop

Desktop

Release date

November 2020

April 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

1x 6-pin

Boost clock speed

2250 MHz

1560 MHz

Core clock speed

1825 MHz

-

Manufacturing process technology

7 nm

8 nm

Number of transistors

26,800 million

17,400 million

Pipelines / CUDA cores

4608

6144

Power consumption (TDP)

300 Watt

140 Watt

Texture fill rate

648.0

299.5

Memory type

GDDR6

GDDR6

Maximum RAM amount

16 GB

16 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

16000 MHz

14 GB/s

Memory bandwidth

512.0 GB/s

448.0 GB/s

Shared memory

-

-

Display Connectors

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

4x DisplayPort 1.4a

HDMI

+

-

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3