Radeon RX 7900 XTX and H800 SXM5 - video card comparison

Radeon RX 7900 XTX

H800 SXM5

Architecture

RDNA 3

Hopper (2022)

GPU code name

Navi 31 XTX

GH100

Market segment

Desktop

Release date

November 2022

March 2023

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

2x 8-pin

8-pin EPS

Boost clock speed

2270 MHz

1755 MHz

Manufacturing process technology

5 nm

4 nm

Number of transistors

57,700 million

80,000 million

Pipelines / CUDA cores

6144

16896

Power consumption (TDP)

355 Watt

700 Watt

Texture fill rate

959.6

926.6

Memory type

GDDR6

HBM3

Maximum RAM amount

24 GB

80 GB

Memory bus width

384 Bit

5120 Bit

Memory clock speed

20000 MHz

2.6 GB/s

Memory bandwidth

960.0 GB/s

1,681 GB/s

Shared memory

Display Connectors

1x HDMI 2.1a, 2x DisplayPort 2.1, 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