Tonga and Radeon R9 280 - video card comparison

Tonga

Radeon R9 280

Architecture

GCN 3.0 (2014−2017)

GCN 1.0 (2012−2020)

GPU code name

Tonga

Tahiti

Market segment

Desktop

Desktop

Release date

-

March 2014

Bus support

-

PCIe 3.0

Interface

-

PCIe 3.0 x16

Supplementary power connectors

-

1 x 6-pin + 1 x 8-pin

Boost clock speed

-

933 MHz

Floating-point performance

-

3,344 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

5,000 million

4,313 million

Pipelines / CUDA cores

2048

1792

Power consumption (TDP)

-

200 Watt

Texture fill rate

-

104.5

Memory type

-

GDDR5

Maximum RAM amount

-

3 GB

Memory bus width

-

384 Bit

Memory clock speed

-

1250 MHz

Memory bandwidth

-

240 GB/s

Display Connectors

-

2x DVI, 1x HDMI, 2x mini-DisplayPort

Eyefinity

-

1

HDMI

-

+

DisplayPort support

-

-

DirectX

12 (12_0)

DirectX® 12

Mantle

-

-

OpenCL

2.1

1.2

OpenGL

4.6

4.6

Shader Model

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

-

-