Radeon RX 6600 and Radeon 660M - video card comparison

Passmark - benchmark score Radeon RX 6600 vs Radeon 660M

Radeon RX 6600

15586

Radeon 660M

6474

Radeon RX 6600

Radeon 660M

Architecture

Navi / RDNA2 (2020−2022)

RDNA 2 (2020−2022)

GPU code name

Navi 23

RDNA 2 Rembrandt

Market segment

Desktop

Laptop

Release date

October 2021

January 2022

Interface

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

None

Boost clock speed

2491 MHz

1900 MHz

Core clock speed

2044 MHz

Manufacturing process technology

7 nm

6 nm

Number of transistors

11,060 million

13,100 million

Pipelines / CUDA cores

1792

384

Power consumption (TDP)

132 Watt

45 Watt

Texture fill rate

279.0

45.60

Memory type

GDDR6

System Shared

Maximum RAM amount

8 GB

System Shared

Memory bus width

128 Bit

System Shared

Memory clock speed

14500 MHz

System Shared

Memory bandwidth

224.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

HDMI

DirectX

12.0 Ultimate (12_2)

12 (12_1)

OpenCL

2.1

2.0

OpenGL

4.6

Shader Model

6.5

Vulkan

1.2