Radeon HD 7970 X2 and Radeon RX 6650 XT - video card comparison

Radeon HD 7970 X2

Radeon RX 6650 XT

Architecture

GCN 1.0 (2012−2020)

Navi / RDNA2 (2020−2022)

GPU code name

New Zealand

Navi 23

Market segment

Desktop

Release date

August 2012

May 2022

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

3x 8-pin

1x 8-pin

Boost clock speed

2635 MHz

Core clock speed

925 MHz

2055 MHz

Floating-point performance

2x 3,789 gflops

Manufacturing process technology

28 nm

7 nm

Number of transistors

4,313 million

11,060 million

Pipelines / CUDA cores

2048

Power consumption (TDP)

500 Watt

176 Watt

Texture fill rate

118.4

337.3

Memory type

GDDR5

GDDR6

Maximum RAM amount

3 GB

8 GB

Memory bus width

384 Bit

128 Bit

Memory clock speed

5500 MHz

17500 MHz

Memory bandwidth

264.0 GB/s

280.3 GB/s

Display Connectors

1x DVI, 4x mini-DisplayPort

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

1.2.131

1.3