Radeon RX 590 and Radeon RX 6600 - video card comparison

Passmark - benchmark score Radeon RX 590 vs Radeon RX 6600

Radeon RX 590

9695

Radeon RX 6600

15586

Radeon RX 590

Radeon RX 6600

Architecture

Polaris (2016−2019)

Navi / RDNA2 (2020−2022)

GPU code name

Polaris 30

Navi 23

Market segment

Desktop

Release date

November 2018

October 2021

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

Boost clock speed

1545 MHz

2491 MHz

Core clock speed

1469 MHz

2044 MHz

Manufacturing process technology

12 nm

7 nm

Number of transistors

5,700 million

11,060 million

Pipelines / CUDA cores

2304

1792

Power consumption (TDP)

175 Watt

132 Watt

Texture fill rate

222.5

279.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

8 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

8000 MHz

14500 MHz

Memory bandwidth

256.0 GB/s

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

FreeSync