Radeon R9 380 OEM and Radeon R9 255 OEM - video card comparison

Radeon R9 380 OEM

Radeon R9 255 OEM

Architecture

GCN 3.0 (2014−2017)

GCN 1.0 (2012−2020)

GPU code name

Antigua

Cape Verde

Market segment

Desktop

Release date

May 2015

December 2013

Interface

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

Boost clock speed

930 MHz

Core clock speed

918 MHz

900 MHz

Floating-point performance

3,290 gflops

952.3 gflops

Manufacturing process technology

28 nm

Number of transistors

5,000 million

1,500 million

Pipelines / CUDA cores

1792

512

Power consumption (TDP)

190 Watt

65 Watt

Texture fill rate

102.8

29.76

Memory type

GDDR5

Maximum RAM amount

4 GB

2 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

5500 MHz

4600 MHz

Memory bandwidth

176.0 GB/s

73.6 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

12 (12_0)

12 (11_1)

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.3

5.1

Vulkan

1.2.131