Tesla K20c and GRID K1 - video card comparison

Tesla K20c

GRID K1

Architecture

Kepler (2012−2018)

Kepler (2012−2018)

GPU code name

GK110

GK107

Market segment

Workstation

Workstation

Release date

November 2012

March 2013

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 6-pin

Core clock speed

706 MHz

850 MHz

Floating-point performance

3,524 gflops

4x 326.4 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

7,080 million

1,270 million

Pipelines / CUDA cores

2496

192

Power consumption (TDP)

225 Watt

130 Watt

Texture fill rate

146.8

13.60

Memory type

GDDR5

DDR3

Maximum RAM amount

5 GB

4 GB

Memory bus width

320 Bit

128 Bit

Memory clock speed

5200 MHz

1782 MHz

Memory bandwidth

208.0 GB/s

28.51 GB/s

Display Connectors

No outputs

No outputs

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

1.1.126