Radeon RX 6900 XT and Stream Processor - video card comparison

Radeon RX 6900 XT

Stream Processor

Architecture

Navi / RDNA2 (2020−2022)

Ultra-Threaded SE

GPU code name

Navi 21

R580

Market segment

Desktop

Release date

December 2020

2006

Interface

PCIe 4.0 x16

PCIe 1.0 x16

Supplementary power connectors

2x 8-pin

1x 6-pin

Boost clock speed

2250 MHz

Core clock speed

1825 MHz

594 MHz

Manufacturing process technology

7 nm

90 nm

Number of transistors

26,800 million

384 million

Pipelines / CUDA cores

5120

Power consumption (TDP)

300 Watt

165 Watt

Texture fill rate

720.0

9.504

Memory type

GDDR6

GDDR3

Maximum RAM amount

16 GB

1 GB

Memory bus width

256 Bit

Memory clock speed

16000 MHz

1296 MBps

Memory bandwidth

512.0 GB/s

41.47 GB/s

Shared memory

Display Connectors

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

2x DVI, 1x S-Video

HDMI

DirectX

12 Ultimate (12_2)

9.0c (9_3)

OpenCL

2.1

N/A

OpenGL

4.6

2.1 (full) Shader Model6.53.0

Vulkan

1.2

N/A