Radeon RX Vega 64 and Radeon RX 6900 XTX - video card comparison

Radeon RX Vega 64

Radeon RX 6900 XTX

Architecture

Vega (2017−2021)

RDNA 2.0 (2020−2022)

GPU code name

Vega

Navi 21

Market segment

Desktop

Release date

August 2017

October 2020

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

1546 MHz

2435 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

26,800 million

Pipelines / CUDA cores

4096

5120

Power consumption (TDP)

295 Watt

330 Watt

Texture fill rate

395.8

779.2

Memory type

HBM2

GDDR6

Maximum RAM amount

8 GB

16 GB

Memory bus width

2048 Bit

256 Bit

Memory clock speed

945 MHz

18 GB/s

Memory bandwidth

483.8 GB/s

576.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C

HDMI

DirectX

12 (12_1)

12 Ultimate (12_2)

OpenCL

2.0

2.1

OpenGL

4.6

Shader Model

6.4

6.7

Vulkan

1.1.125

1.3