Radeon RX 480 and Tesla K20s - video card comparison

Radeon RX 480

Tesla K20s

Architecture

Polaris (2016−2019)

Kepler (2012−2018)

GPU code name

Polaris 10 Ellesmere

GK110

Market segment

Desktop

Workstation

Release date

June 2016

February 2013

Bus support

n/a

-

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

-

Bridgeless CrossFire

1

-

Boost clock speed

1266 MHz

-

Compute units

36

-

Core clock speed

1120 MHz

575 MHz

Floating-point performance

5,834 gflops

3,524 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

5,700 million

7,080 million

Pipelines / CUDA cores

2304

2496

Power consumption (TDP)

150 Watt

225 Watt

Texture fill rate

182.3

119.6

Memory type

GDDR5

GDDR5

Maximum RAM amount

8 GB

5 GB

Memory bus width

256 Bit

320 Bit

Memory clock speed

8000 MHz

5200 MHz

Memory bandwidth

224 GB/s

208.0 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

Eyefinity

1

-

HDMI

2.0

-

DisplayPort support

1.4HDR

-

DirectX

DirectX® 12

12 (11_0)

CUDA

-

3.5

Mantle

n/a

-

OpenCL

2.0

1.2

OpenGL

4.5

4.6

Shader Model

6.4

5.1

Vulkan

+

1.1.126

AppAcceleration

n/a

-

CrossFire

1

-

Enduro

n/a

-

FreeSync

+

-

FRTC

1

-

HD3D

n/a

-

LiquidVR

1

-

PowerTune

+

-

TressFX

1

-

TrueAudio

n/a

-

UVD

+

-

VCE

+

-

ZeroCore

+

-