Radeon RX 6900 XTX and H800 PCIe 80 GB - video card comparison

Radeon RX 6900 XTX

H800 PCIe 80 GB

Architecture

RDNA 2.0 (2020−2022)

Hopper (2022)

GPU code name

Navi 21

GH100

Market segment

Desktop

Release date

October 2020

March 2023

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

2x 8-pin

1x 16-pin

Boost clock speed

2435 MHz

1755 MHz

Manufacturing process technology

7 nm

4 nm

Number of transistors

26,800 million

80,000 million

Pipelines / CUDA cores

5120

14592

Power consumption (TDP)

330 Watt

350 Watt

Texture fill rate

779.2

800.3

Memory type

GDDR6

HBM2e

Maximum RAM amount

16 GB

80 GB

Memory bus width

256 Bit

5120 Bit

Memory clock speed

18 GB/s

3.2 GB/s

Memory bandwidth

576.0 GB/s

2,039 GB/s

Display Connectors

1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C

No outputs

HDMI

DirectX

12 Ultimate (12_2)

N/A

CUDA

9.0

OpenCL

2.1

3.0

OpenGL

4.6

N/A

Shader Model

6.7

N/A

Vulkan

1.3

N/A