Radeon RX Vega 64 and Radeon HD 8950 OEM - video card comparison

Radeon RX Vega 64

Radeon HD 8950 OEM

Architecture

Vega (2017−2021)

GCN 1.0 (2012−2020)

GPU code name

Vega

Tahiti

Market segment

Desktop

Release date

August 2017

January 2013

Interface

PCIe 3.0 x16

Supplementary power connectors

2x 8-pin

2x 6-pin

Boost clock speed

1546 MHz

925 MHz

Core clock speed

1630 MHz

850 MHz

Floating-point performance

13,353 gflops

3,315 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

12,500 million

4,313 million

Pipelines / CUDA cores

4096

1792

Power consumption (TDP)

295 Watt

200 Watt

Texture fill rate

395.8

103.6

Memory type

HBM2

GDDR5

Maximum RAM amount

8 GB

3 GB

Memory bus width

2048 Bit

384 Bit

Memory clock speed

945 MHz

5000 MHz

Memory bandwidth

483.8 GB/s

240.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

1x DVI, 1x HDMI, 2x mini-DisplayPort

HDMI

DirectX

12 (12_1)

12 (11_1)

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.4

5.1

Vulkan

1.1.125

1.2.131