NVIDIA L40 CNX vs NVIDIA Tesla K40c

VS

NVIDIA L40 CNX

NVIDIA Tesla K40c

We compared two Professional market GPUs: 24GB VRAM L40 CNX and 12GB VRAM Tesla K40c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40 CNX 's Advantages

Released 9 years late

Boost Clock has increased by 183% (2475MHz vs 876MHz)

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (864.0GB/s vs 288.4GB/s)

15296 additional rendering cores

NVIDIA Tesla K40c 's Advantages

Lower TDP (245W vs 300W)

Score

Benchmark

FP32 (float)

L40 CNX +1682%

89.97 TFLOPS

Tesla K40c

5.046 TFLOPS

L40 CNX

VS

Tesla K40c

Graphics Card

Oct 2022

Release Date

Oct 2013

Tesla Ada

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1005 MHz

Base Clock

745 MHz

2475 MHz

Boost Clock

876 MHz

2250 MHz

Memory Clock

1502 MHz

Memory

24GB

Memory Size

12GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

864.0GB/s

Bandwidth

288.4GB/s

Render Config

-

142

SM Count

-

18176

Shading Units

2880

568

TMUs

240

192

ROPs

48

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

48 MB

L2 Cache

1536 KB

-

Theoretical Performance

475.2 GPixel/s

Pixel Rate

52.56 GPixel/s

1406 GTexel/s

Texture Rate

210.2 GTexel/s

89.97 TFLOPS

FP16 (half)

-

89.97 TFLOPS

FP32 (float)

5.046 TFLOPS

1406 GFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

300W

TDP

245W

700 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

AD102

GPU Name

GK180

AD102-???-A1

GPU Variant

GK180-890-A1

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

76.3 billion

Transistors

7.08 billion

608 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.9

CUDA

3.5

6.6

Shader Model

5.1

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