Radeon RX 6600 and GeForce RTX 5090 - video card comparison

Radeon RX 6600

GeForce RTX 5090

Architecture

Navi / RDNA2 (2020−2022)

Blackwell 2.0

GPU code name

Navi 23

GB202

Market segment

Desktop

Release date

October 2021

2025 (recently)

Interface

PCIe 4.0 x8

PCIe 5.0 x16

Supplementary power connectors

1x 8-pin

1x 16-pin

Boost clock speed

2491 MHz

2520 MHz

Core clock speed

2044 MHz

Manufacturing process technology

7 nm

0 nm

Number of transistors

11,060 million

Pipelines / CUDA cores

1792

20480

Power consumption (TDP)

132 Watt

500 Watt

Texture fill rate

279.0

1,613

Memory type

GDDR6

GDDR7

Maximum RAM amount

8 GB

28 GB

Memory bus width

128 Bit

448 Bit

Memory clock speed

14500 MHz

5 GB/s

Memory bandwidth

224.0 GB/s

280.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12.0 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

9.1

OpenCL

2.1

3.0

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3