Tesla K20c and Quadro K4000 - video card comparison

Tesla K20c

Quadro K4000

Architecture

Kepler (2012−2018)

Kepler (2012−2018)

GPU code name

GK110

GK106

Market segment

Workstation

Workstation

Release date

November 2012

March 2013

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 6-pin

Core clock speed

706 MHz

810 MHz

Floating-point performance

3,524 gflops

1,244 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

7,080 million

2,540 million

Pipelines / CUDA cores

2496

768

Power consumption (TDP)

225 Watt

80 Watt

Texture fill rate

146.8

51.84

Memory type

GDDR5

GDDR5

Maximum RAM amount

5 GB

3 GB

Memory bus width

320 Bit

192 Bit

Memory clock speed

5200 MHz

5616 MHz

Memory bandwidth

208.0 GB/s

134.8 GB/s

Display Connectors

No outputs

1x DVI, 2x DisplayPort

DirectX

12 (11_0)

12 (11_0)

CUDA

3.5

3.0

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.1

5.1

Vulkan

1.1.126

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