Tesla K20c and L40G - video card comparison

Tesla K20c

L40G

Architecture

Kepler (2012−2018)

Ada Lovelace

GPU code name

GK110

AD102

Market segment

Workstation

Desktop

Release date

November 2012

October 2022

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 16-pin

Boost clock speed

-

2475 MHz

Core clock speed

706 MHz

-

Floating-point performance

3,524 gflops

-

Manufacturing process technology

28 nm

4 nm

Number of transistors

7,080 million

76,300 million

Pipelines / CUDA cores

2496

18176

Power consumption (TDP)

225 Watt

300 Watt

Texture fill rate

146.8

1,406

Memory type

GDDR5

GDDR6

Maximum RAM amount

5 GB

24 GB

Memory bus width

320 Bit

384 Bit

Memory clock speed

5200 MHz

18 GB/s

Memory bandwidth

208.0 GB/s

864.0 GB/s

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

3.5

8.9

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

5.1

6.7

Vulkan

1.1.126

1.3