Tesla K40c and Tesla X2090 - video card comparison

Tesla K40c

Tesla X2090

Architecture

Kepler (2012−2018)

Fermi 2.0 (2010−2014)

GPU code name

GK180

GF110

Market segment

Workstation

Workstation

Release date

October 2013

July 2011

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

-

Boost clock speed

876 MHz

-

Core clock speed

745 MHz

651 MHz

Floating-point performance

4,291 gflops

1,331.2 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

7,080 million

3,000 million

Pipelines / CUDA cores

2880

512

Power consumption (TDP)

245 Watt

225 Watt

Texture fill rate

210.2

41.66

Memory type

GDDR5

GDDR5

Maximum RAM amount

12 GB

6 GB

Memory bus width

384 Bit

384 Bit

Memory clock speed

6008 MHz

3696 MHz

Memory bandwidth

288.4 GB/s

177.4 GB/s

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

12 (11_0)

CUDA

3.5

2.0

OpenCL

1.2

1.1

OpenGL

4.6

4.6

Shader Model

5.1

5.1

Vulkan

1.1.103

N/A