Radeon HD 7450 OEM and Radeon RX 590 - video card comparison

Radeon HD 7450 OEM

Radeon RX 590

Architecture

TeraScale 2 (2009−2015)

Polaris (2016−2019)

GPU code name

Caicos

Polaris 30

Market segment

Desktop

Release date

January 2012

November 2018

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

None

1x 8-pin

Boost clock speed

1545 MHz

Core clock speed

625 MHz

1469 MHz

Floating-point performance

200.0 gflops

Manufacturing process technology

40 nm

12 nm

Number of transistors

370 million

5,700 million

Pipelines / CUDA cores

160

2304

Power consumption (TDP)

18 Watt

175 Watt

Texture fill rate

5.000

222.5

Memory type

GDDR3

GDDR5

Maximum RAM amount

512 MB

8 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

1066 MHz

8000 MHz

Memory bandwidth

8.528 GB/s

256.0 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI

1x HDMI, 3x DisplayPort

HDMI

DirectX

11.2 (11_0)

12 (12_0)

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.4

Vulkan

N/A

1.2.131

FreeSync