Radeon R9 270X and Curacao - video card comparison

Radeon R9 270X

Curacao

Architecture

GCN (2011−2017)

GCN 1.0 (2012−2020)

GPU code name

Curacao XT

Curacao

Market segment

Desktop

Desktop

Release date

October 2013

-

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

2 x 6-pin

-

Boost clock speed

1050 MHz

-

Floating-point performance

2,688 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

2,800 million

2,800 million

Pipelines / CUDA cores

1280

1280

Power consumption (TDP)

180 Watt

-

Texture fill rate

84.00

-

Memory type

GDDR5

-

Maximum RAM amount

4 GB

-

Memory bus width

256 Bit

-

Memory bandwidth

179.2 GB/s

-

Shared memory

-

-

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

-

Eyefinity

+

-

HDMI

+

-

DisplayPort support

+

-

DirectX

DirectX® 12

12 (11_1)

Mantle

-

-

OpenCL

1.2

2.1 (1.2)

OpenGL

4.6

4.6

Shader Model

5.1

6.5 (5.1)

Vulkan

+

1.2.170

AppAcceleration

+

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

LiquidVR

1

-

PowerTune

-

-

TressFX

1

-

TrueAudio

+

-

UVD

+

-

ZeroCore

-

-