Radeon HD 6930 and Radeon RX 6600 - video card comparison

Radeon HD 6930

Radeon RX 6600

Architecture

TeraScale 3 (2010−2013)

Navi / RDNA2 (2020−2022)

GPU code name

Cayman

Navi 23

Market segment

Desktop

Desktop

Release date

December 2011

October 2021

Interface

PCIe 2.0 x16

PCIe 4.0 x8

Supplementary power connectors

2x 6-pin

1x 8-pin

Boost clock speed

-

2491 MHz

Core clock speed

750 MHz

2044 MHz

Floating-point performance

1,920.0 gflops

-

Manufacturing process technology

40 nm

7 nm

Number of transistors

2,640 million

11,060 million

Pipelines / CUDA cores

1280

1792

Power consumption (TDP)

186 Watt

132 Watt

Texture fill rate

60.00

279.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

8 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

4800 MHz

14500 MHz

Memory bandwidth

153.6 GB/s

224.0 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x HDMI, 2x mini-DisplayPort

1x HDMI, 3x DisplayPort

HDMI

+

+

DirectX

11.2 (11_0)

12.0 Ultimate (12_2)

OpenCL

1.2

2.1

OpenGL

4.4

4.6

Shader Model

5.0

6.5

Vulkan

N/A

1.2