Radeon HD 7950M and Radeon RX 6600 XT - video card comparison

Radeon HD 7950M

Radeon RX 6600 XT

Architecture

GCN (2011−2017)

Navi / RDNA2 (2020−2022)

GPU code name

Wimbledon Pro

Navi 23

Market segment

Laptop

Desktop

Release date

May 2012

July 2021

Interface

MXM-B (3.0)

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

Boost clock speed

2589 MHz

Core clock speed

700 MHz

1968 MHz

Manufacturing process technology

28 nm

7 nm

Number of transistors

2,800 million

11,060 million

Pipelines / CUDA cores

1280

2048

Power consumption (TDP)

50 Watt

160 (TGP) Watt

Texture fill rate

56.00

331.4

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

8 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

4000 MHz

16000 MHz

Memory bandwidth

128.0 GB/s

256.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI, 2x DisplayPort

HDMI

DirectX

12 (11_1)

12.0 Ultimate (12_2)

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

1.2.131

1.2