Tesla K20m and Radeon Pro Duo Polaris - video card comparison

Tesla K20m

Radeon Pro Duo Polaris

Architecture

Kepler (2012−2018)

GCN 4.0 (2016−2020)

GPU code name

GK110

Ellesmere

Market segment

Workstation

Release date

January 2013

April 2017

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

Core clock speed

706 MHz

1243 MHz

Floating-point performance

3,524 gflops

2x 5,728 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

7,080 million

5,700 million

Pipelines / CUDA cores

2496

2304

Power consumption (TDP)

225 Watt

250 Watt

Texture fill rate

146.8

179.0

Memory type

GDDR5

Maximum RAM amount

5 GB

16 GB

Memory bus width

320 Bit

256 Bit

Memory clock speed

5200 MHz

7000 MHz

Memory bandwidth

208.0 GB/s

224.0 GB/s

Display Connectors

No outputs

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (11_0)

12 (12_0)

CUDA

3.5

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2.131