Tesla K20X and P104-101 - video card comparison

Tesla K20X

P104-101

Architecture

Kepler (2012−2018)

Pascal (2016−2021)

GPU code name

GK110

GP104

Market segment

Workstation

Desktop

Release date

November 2012

January 2018

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 8-pin

Boost clock speed

-

1683 MHz

Core clock speed

732 MHz

1506 MHz

Floating-point performance

3,935 gflops

8,873 gflops

Manufacturing process technology

28 nm

16 nm

Number of transistors

7,080 million

7,200 million

Pipelines / CUDA cores

2688

2560

Power consumption (TDP)

235 Watt

-

Texture fill rate

164.0

269.3

Memory type

GDDR5

GDDR5X

Maximum RAM amount

6 GB

4 GB

Memory bus width

384 Bit

256 Bit

Memory clock speed

5200 MHz

10008 MHz

Memory bandwidth

249.6 GB/s

320.3 GB/s

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

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