Radeon HD 8870M and Radeon RX 540X - video card comparison

Radeon HD 8870M

Radeon RX 540X

Architecture

GCN (2011−2017)

GCN 4.0 (2016−2020)

GPU code name

Venus

Polaris 12

Market segment

Laptop

Release date

December 2012

March 2018

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

None

Boost clock speed

775 MHz

1219 MHz

Core clock speed

725 MHz

Floating-point performance

992.0 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

1,500 million

2,200 million

Pipelines / CUDA cores

640

512

Power consumption (TDP)

50 Watt

Texture fill rate

31.00

35.97

Memory type

GDDR5, DDR3

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

128 Bit

Memory clock speed

4500 MHz

6000 MHz

Memory bandwidth

72 GB/s

112.0 GB/s

Shared memory

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x DisplayPort

HDMI

DirectX

12 (11_1)

12 (12_0)

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.2.131

FreeSync