Radeon HD 8870M and Radeon R9 M270 - video card comparison

Radeon HD 8870M

Radeon R9 M270

Architecture

GCN (2011−2017)

GCN (2011−2017)

GPU code name

Venus

-

Market segment

Laptop

Laptop

Release date

December 2012

April 2014

Interface

PCIe 3.0 x16

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Boost clock speed

775 MHz

-

Core clock speed

725 MHz

725 MHz

Floating-point performance

992.0 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

1,500 million

1500 Million

Pipelines / CUDA cores

640

640

Texture fill rate

31.00

-

Memory type

GDDR5, DDR3

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

4500 MHz

4500 MHz

Memory bandwidth

72 GB/s

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Shared memory

-

-

Display Connectors

No outputs

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DirectX

12 (11_1)

12 (FL 11_1)

OpenCL

1.2

-

OpenGL

4.6

-

Shader Model

5.1

-

Vulkan

1.2.131

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