Radeon RX Vega 64 and Radeon RX 6650M XT - video card comparison

Radeon RX Vega 64

Radeon RX 6650M XT

Architecture

Vega (2017−2021)

RDNA 2 (2020−2022)

GPU code name

Vega

Navi 23

Market segment

Desktop

Laptop

Release date

August 2017

January 2022

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

2x 8-pin

None

Boost clock speed

1546 MHz

2162 MHz

Core clock speed

1630 MHz

Floating-point performance

13,353 gflops

Manufacturing process technology

14 nm

7 nm

Number of transistors

12,500 million

11,060 million

Pipelines / CUDA cores

4096

2048

Power consumption (TDP)

295 Watt

120 Watt

Texture fill rate

395.8

309.2

Memory type

HBM2

GDDR6

Maximum RAM amount

8 GB

Memory bus width

2048 Bit

128 Bit

Memory clock speed

945 MHz

18000 MHz

Memory bandwidth

483.8 GB/s

256.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

HDMI

DirectX

12 (12_1)

12.0 Ultimate (12_2)

OpenCL

2.0

2.1

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.1.125

1.2