Radeon RX 6600 XT and H100 SXM5 96 GB - video card comparison

Radeon RX 6600 XT

H100 SXM5 96 GB

Architecture

Navi / RDNA2 (2020−2022)

Hopper (2022)

GPU code name

Navi 23

GH100

Market segment

Desktop

Release date

July 2021

March 2023

Interface

PCIe 4.0 x8

PCIe 5.0 x16

Supplementary power connectors

1x 8-pin

8-pin EPS

Boost clock speed

2589 MHz

1837 MHz

Core clock speed

1968 MHz

Manufacturing process technology

7 nm

4 nm

Number of transistors

11,060 million

80,000 million

Pipelines / CUDA cores

2048

16896

Power consumption (TDP)

160 (TGP) Watt

700 Watt

Texture fill rate

331.4

969.9

Memory type

GDDR6

HBM3

Maximum RAM amount

8 GB

96 GB

Memory bus width

128 Bit

5120 Bit

Memory clock speed

16000 MHz

2.6 GB/s

Memory bandwidth

256.0 GB/s

1,681 GB/s

Shared memory

Display Connectors

1x HDMI, 2x DisplayPort

No outputs

HDMI

DirectX

12.0 Ultimate (12_2)

N/A

CUDA

9.0

OpenCL

2.1

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2

N/A