Radeon R5 340 OEM and GM20B - video card comparison

Radeon R5 340 OEM

GM20B

Architecture

GCN 1.0 (2012−2020)

Maxwell 2.0 (2015−2019)

GPU code name

Oland

GM20B

Market segment

Desktop

Desktop

Release date

May 2015

-

Interface

PCIe 3.0 x8

-

Supplementary power connectors

None

-

Boost clock speed

780 MHz

-

Core clock speed

730 MHz

-

Floating-point performance

599.0 gflops

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Manufacturing process technology

28 nm

20 nm

Number of transistors

950 million

2,000 million

Pipelines / CUDA cores

384

256

Power consumption (TDP)

65 Watt

-

Texture fill rate

18.72

-

Memory type

GDDR5

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Maximum RAM amount

1 GB

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Memory bus width

64 Bit

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Memory clock speed

4600 MHz

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Memory bandwidth

36.8 GB/s

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Display Connectors

1x DVI, 1x DisplayPort

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DirectX

12 (11_1)

12 (12_1)

CUDA

-

5.3

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.1

6.0

Vulkan

1.2.131

1.1

PureVideo HD

-

VP9