Radeon HD 5450 and Neptune - video card comparison

Radeon HD 5450

Neptune

Architecture

TeraScale 2 (2009−2015)

GCN 1.0 (2012−2020)

GPU code name

Cedar

Neptune

Market segment

Desktop

Desktop

Release date

February 2010

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

None

-

Core clock speed

650 MHz

-

Floating-point performance

104 gflops

-

Manufacturing process technology

40 nm

28 nm

Number of transistors

292 million

2,800 million

Pipelines / CUDA cores

80

1280

Power consumption (TDP)

19 Watt

-

Texture fill rate

5.200

-

Memory type

DDR2

-

Maximum RAM amount

2 GB

-

Memory bus width

64 Bit

-

Memory clock speed

800 MHz

-

Memory bandwidth

6.4 GB/s

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

-

HDMI

+

-

DirectX

11.2 (11_0)

12 (11_1)

OpenCL

1.2

2.1 (1.2)

OpenGL

4.4

4.6

Shader Model

5.0

6.5 (5.1)

Vulkan

N/A

1.2.170