Radeon R9 M270 and Radeon HD 8590M - video card comparison

Radeon R9 M270

Radeon HD 8590M

Architecture

GCN (2011−2017)

GCN (2011−2017)

GPU code name

-

Sun

Market segment

Laptop

Laptop

Release date

April 2014

November 2012

Interface

-

PCIe 3.0 x8

Boost clock speed

-

825 MHz

Core clock speed

725 MHz

620 MHz

Floating-point performance

-

528.0 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

1500 Million

690 million

Pipelines / CUDA cores

640

384

Texture fill rate

-

16.50

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

4500 MHz

4500 MHz

Memory bandwidth

-

36 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12 (FL 11_1)

12 (11_1)

OpenCL

-

1.2

OpenGL

-

4.6

Shader Model

-

5.1

Vulkan

-

1.2.131