Knights Corner and Radeon RX 7900 XT - video card comparison

Knights Corner

Radeon RX 7900 XT

Architecture

Knights (2010)

RDNA 3

GPU code name

Knights Corner

Navi 31 XT

Market segment

Desktop

Release date

November 2022

Interface

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

2000 MHz

Manufacturing process technology

22 nm

5 nm

Number of transistors

5,000 million

57,700 million

Pipelines / CUDA cores

976

5376

Power consumption (TDP)

315 Watt

Texture fill rate

804.4

Memory type

GDDR6

Maximum RAM amount

20 GB

Memory bus width

320 Bit

Memory clock speed

20000 MHz

Memory bandwidth

800.0 GB/s

Shared memory

Display Connectors

1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C

HDMI

DirectX

N/A

12 Ultimate (12_2)

OpenCL

1.2

2.1

OpenGL

N/A

4.6

Shader Model

5.0

6.7

Vulkan

N/A

1.3