Radeon HD 8870M and Radeon R3 (Mullins/Beema) - video card comparison

Radeon HD 8870M

Radeon R3 (Mullins/Beema)

Architecture

GCN (2011−2017)

GCN 1.1 (2014)

GPU code name

Venus

Beema/Mullins

Market segment

Laptop

Laptop

Release date

December 2012

April 2014

Interface

PCIe 3.0 x16

-

Boost clock speed

775 MHz

686 MHz

Core clock speed

725 MHz

350 MHz

Floating-point performance

992.0 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

1,500 million

-

Pipelines / CUDA cores

640

128

Texture fill rate

31.00

-

Memory type

GDDR5, DDR3

-

Maximum RAM amount

2 GB

-

Memory bus width

128 Bit

64 Bit

Memory clock speed

4500 MHz

-

Memory bandwidth

72 GB/s

-

Shared memory

-

+

Display Connectors

No outputs

-

DirectX

12 (11_1)

12 (FL 12_0)

OpenCL

1.2

-

OpenGL

4.6

-

Shader Model

5.1

-

Vulkan

1.2.131

-