Radeon RX 6650 XT and Radeon RX 7990 XTX - video card comparison

Radeon RX 6650 XT

Radeon RX 7990 XTX

Architecture

Navi / RDNA2 (2020−2022)

RDNA 3.0 (2022)

GPU code name

Navi 23

Navi 31

Market segment

Desktop

Release date

May 2022

2023

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

3x 8-pin

Boost clock speed

2635 MHz

3599 MHz

Core clock speed

2055 MHz

Manufacturing process technology

7 nm

5 nm

Number of transistors

11,060 million

57,700 million

Pipelines / CUDA cores

2048

6144

Power consumption (TDP)

176 Watt

405 Watt

Texture fill rate

337.3

1,382

Memory type

GDDR6

Maximum RAM amount

8 GB

24 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

17500 MHz

24 GB/s

Memory bandwidth

280.3 GB/s

1,152 GB/s

Display Connectors

1x HDMI 2.1, 3x DisplayPort 1.4a

1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C

HDMI

DirectX

12 Ultimate (12_2)

OpenCL

2.1

2.2

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.3