Tahiti and Radeon RX 550 - video card comparison

Tahiti

Radeon RX 550

Architecture

GCN 1.0 (2012−2020)

GCN 4.0 (2016−2020)

GPU code name

Tahiti

Lexa

Market segment

Desktop

Desktop

Release date

-

April 2017

Interface

-

PCIe 3.0 x8

Supplementary power connectors

-

None

Boost clock speed

-

1183 MHz

Core clock speed

-

1100 MHz

Floating-point performance

-

1,211 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

4,313 million

2,200 million

Pipelines / CUDA cores

2048

512

Power consumption (TDP)

-

50 Watt

Texture fill rate

-

37.86

Memory type

-

GDDR5

Maximum RAM amount

-

4 GB

Memory bus width

-

128 Bit

Memory clock speed

-

7000 MHz

Memory bandwidth

-

112.0 GB/s

Display Connectors

-

1x DVI, 1x HDMI, 1x DisplayPort

HDMI

-

+

DirectX

12 (11_1)

12 (12_0)

OpenCL

2.1 (1.2)

2.0

OpenGL

4.6

4.6

Shader Model

6.5 (5.1)

6.4

Vulkan

1.2.170

1.2.131