Radeon HD 4580 and Radeon RX 6600 - video card comparison

Radeon HD 4580

Radeon RX 6600

Architecture

TeraScale (2005−2013)

Navi / RDNA2 (2020−2022)

GPU code name

RV635

Navi 23

Market segment

Desktop

Desktop

Release date

November 2011

October 2021

Interface

PCIe 2.0 x16

PCIe 4.0 x8

Supplementary power connectors

None

1x 8-pin

Boost clock speed

-

2491 MHz

Core clock speed

796 MHz

2044 MHz

Floating-point performance

191.04 gflops

-

Manufacturing process technology

55 nm

7 nm

Number of transistors

378 million

11,060 million

Pipelines / CUDA cores

120

1792

Power consumption (TDP)

65 Watt

132 Watt

Texture fill rate

6.368

279.0

Memory type

GDDR3

GDDR6

Maximum RAM amount

512 MB

8 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1386 MHz

14500 MHz

Memory bandwidth

22.18 GB/s

224.0 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x S-Video

1x HDMI, 3x DisplayPort

HDMI

-

+

DirectX

10.1 (10_1)

12.0 Ultimate (12_2)

OpenCL

N/A

2.1

OpenGL

3.3

4.6

Shader Model

4.1

6.5

Vulkan

N/A

1.2