Quadro RTX 4000 and Tesla K20c - video card comparison

Quadro RTX 4000

Tesla K20c

Architecture

Turing (2018−2021)

Kepler (2012−2018)

GPU code name

TU104

GK110

Market segment

Workstation

Workstation

Release date

November 2018

November 2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 8-pin

1x 6-pin + 1x 8-pin

Boost clock speed

1545 MHz

-

Core clock speed

1005 MHz

706 MHz

Floating-point performance

-

3,524 gflops

Manufacturing process technology

12 nm

28 nm

Number of transistors

13,600 million

7,080 million

Pipelines / CUDA cores

2304

2496

Power consumption (TDP)

160 Watt

225 Watt

Texture fill rate

222.5

146.8

Memory type

GDDR6

GDDR5

Maximum RAM amount

8 GB

5 GB

Memory bus width

256 Bit

320 Bit

Memory clock speed

13000 MHz

5200 MHz

Memory bandwidth

416.0 GB/s

208.0 GB/s

Display Connectors

3x DisplayPort, 1x USB Type-C

No outputs

DirectX

12 Ultimate (12_1)

12 (11_0)

CUDA

7.5

3.5

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

6.5

5.1

Vulkan

1.2.131

1.1.126