Radeon HD 7950 and Radeon RX Vega 5 - video card comparison

Radeon HD 7950

Radeon RX Vega 5

Architecture

GCN 1.0 (2012−2020)

Vega (2017−2021)

GPU code name

Tahiti

Vega

Market segment

Desktop

Laptop

Release date

January 2012

January 2020

Bus support

PCIe 3.0 x16

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

2x 6-pin

-

Boost clock speed

1250 MHz

1400 MHz

Compute units

28

-

Floating-point performance

2,867 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

4,313 million

-

Pipelines / CUDA cores

1792

320

Power consumption (TDP)

200 Watt

15 Watt

Texture fill rate

89.60

-

Memory type

GDDR5

-

Maximum RAM amount

3 GB

-

Memory bus width

384 Bit

-

Memory clock speed

1250 MHz

-

Memory bandwidth

240 GB/s

-

Shared memory

-

-

Display Connectors

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

-

Eyefinity

1

-

Number of Eyefinity displays

6

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12_1

Mantle

-

-

OpenCL

1.2

-

OpenGL

4.6

-

Shader Model

5.1

-

AppAcceleration

+

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

+

-

TrueAudio

-

-

ZeroCore

+

-