Radeon 660M and Arc 7 A780 - video card comparison

Radeon 660M

Arc 7 A780

Architecture

RDNA 2 (2020−2022)

Generation 12.7 (2022)

GPU code name

RDNA 2 Rembrandt

DG2-512

Market segment

Laptop

Desktop

Release date

January 2022

2022

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

None

2x 8-pin

Boost clock speed

1900 MHz

2200 MHz

Manufacturing process technology

6 nm

6 nm

Number of transistors

13,100 million

21,700 million

Pipelines / CUDA cores

384

4096

Power consumption (TDP)

45 Watt

200 Watt

Texture fill rate

45.60

563.2

Memory type

System Shared

GDDR6X

Maximum RAM amount

System Shared

16 GB

Memory bus width

System Shared

256 Bit

Memory clock speed

System Shared

17.5 GB/s

Memory bandwidth

-

559.6 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 (12_1)

12 Ultimate (12_2)

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.6

Vulkan

1.2

1.3