Radeon R7 M520 and GM20B - video card comparison

Radeon R7 M520

GM20B

Architecture

GCN 1.0 (2012−2020)

Maxwell 2.0 (2015−2019)

GPU code name

Oland

GM20B

Market segment

Desktop

Desktop

Release date

April 2017

-

Interface

PCIe 3.0 x8

-

Supplementary power connectors

None

-

Core clock speed

1030 MHz

-

Floating-point performance

659.2 gflops

-

Manufacturing process technology

28 nm

20 nm

Number of transistors

1,040 million

2,000 million

Pipelines / CUDA cores

320

256

Power consumption (TDP)

50 Watt

-

Texture fill rate

20.60

-

Memory type

DDR3

-

Maximum RAM amount

2 GB

-

Memory bus width

64 Bit

-

Memory clock speed

2000 MHz

-

Memory bandwidth

16 GB/s

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

-

HDMI

+

-

DirectX

12.0

12 (12_1)

CUDA

-

5.3

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.0

6.0

Vulkan

-

1.1

PureVideo HD

-

VP9