Tesla K40st and Quadro P620 - video card comparison

Tesla K40st

Quadro P620

Architecture

Kepler (2012−2018)

Pascal (2016−2021)

GPU code name

GK110B

GP107

Market segment

Workstation

Workstation

Release date

November 2013

May 2019

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

-

None

Boost clock speed

-

1442 MHz

Core clock speed

575 MHz

1177 MHz

Floating-point performance

4,291 gflops

1,490 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

7,080 million

3,300 million

Pipelines / CUDA cores

2880

512

Power consumption (TDP)

245 Watt

25 Watt

Texture fill rate

138.0

43.33

Memory type

GDDR5

GDDR5

Maximum RAM amount

12 GB

2 GB

Memory bus width

384 Bit

128 Bit

Memory clock speed

6008 MHz

6000 MHz

Memory bandwidth

288.4 GB/s

80.13 GB/s

Shared memory

-

-

Display Connectors

No outputs

4x mini-DisplayPort

DirectX

12 (11_1)

12 (12_1)

CUDA

3.5

6.1

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2.131