Radeon HD 8490 OEM and Radeon RX 6600 - video card comparison

Radeon HD 8490 OEM

Radeon RX 6600

Architecture

TeraScale 2 (2009−2015)

Navi / RDNA2 (2020−2022)

GPU code name

Caicos

Navi 23

Market segment

Desktop

Release date

July 2013

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

875 MHz

2044 MHz

Floating-point performance

280.0 gflops

Manufacturing process technology

40 nm

7 nm

Number of transistors

370 million

11,060 million

Pipelines / CUDA cores

160

1792

Power consumption (TDP)

35 Watt

132 Watt

Texture fill rate

7.000

279.0

Memory type

DDR3

GDDR6

Maximum RAM amount

1 GB

8 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

1800 MHz

14500 MHz

Memory bandwidth

14.4 GB/s

224.0 GB/s

Shared memory

Display Connectors

1x DVI, 1x 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