Tesla M6 and Tesla K20X - video card comparison

Tesla M6

Tesla K20X

Architecture

Maxwell 2.0 (2015−2019)

Kepler (2012−2018)

GPU code name

GM204

GK110

Market segment

Workstation

Workstation

Release date

August 2015

November 2012

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

None

1x 6-pin + 1x 8-pin

Boost clock speed

1180 MHz

-

Core clock speed

930 MHz

732 MHz

Floating-point performance

3,625 gflops

3,935 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

5,200 million

7,080 million

Pipelines / CUDA cores

1536

2688

Power consumption (TDP)

100 Watt

235 Watt

Texture fill rate

113.3

164.0

Memory type

GDDR5

GDDR5

Maximum RAM amount

8 GB

6 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

5012 MHz

5200 MHz

Memory bandwidth

160.4 GB/s

249.6 GB/s

Display Connectors

No outputs

No outputs

DirectX

12 (12_1)

12 (11_0)

CUDA

5.2

3.5

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

6.4

5.1

Vulkan

1.1.126

1.1.126