Radeon Pro Duo Polaris and Radeon RX 6600 - video card comparison

Radeon Pro Duo Polaris

Radeon RX 6600

Architecture

GCN 4.0 (2016−2020)

Navi / RDNA2 (2020−2022)

GPU code name

Ellesmere

Navi 23

Market segment

Workstation

Desktop

Release date

April 2017

October 2021

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 8-pin

Boost clock speed

2491 MHz

Core clock speed

1243 MHz

2044 MHz

Floating-point performance

2x 5,728 gflops

Manufacturing process technology

14 nm

7 nm

Number of transistors

5,700 million

11,060 million

Pipelines / CUDA cores

2304

1792

Power consumption (TDP)

250 Watt

132 Watt

Texture fill rate

179.0

279.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

16 GB

8 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

7000 MHz

14500 MHz

Memory bandwidth

224.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (12_0)

12.0 Ultimate (12_2)

OpenCL

2.0

2.1

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.2.131

1.2