A100 PCIe and Radeon RX 6600 XT - video card comparison

A100 PCIe

Radeon RX 6600 XT

Architecture

Ampere (2020−2022)

Navi / RDNA2 (2020−2022)

GPU code name

GA100

Navi 23

Market segment

Desktop

Desktop

Release date

June 2020

July 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

1x 8-pin

Boost clock speed

-

2589 MHz

Core clock speed

1410 MHz

1968 MHz

Manufacturing process technology

7 nm

7 nm

Number of transistors

54,200 million

11,060 million

Pipelines / CUDA cores

6912

2048

Power consumption (TDP)

250 Watt

160 (TGP) Watt

Texture fill rate

609.1

331.4

Memory type

HBM2e

GDDR6

Maximum RAM amount

40 GB

8 GB

Memory bus width

5120 Bit

128 Bit

Memory clock speed

2.4 GB/s

16000 MHz

Memory bandwidth

1,555 GB/s

256.0 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x HDMI, 2x DisplayPort

HDMI

-

+

DirectX

12 Ultimate (12_2)

12.0 Ultimate (12_2)

CUDA

8.0

-

OpenCL

2.0

2.1

OpenGL

4.6

4.6

Shader Model

6.5

6.5

Vulkan

1.2

1.2