NVIDIA L40 CNX vs NVIDIA RTX A6000

VS

NVIDIA L40 CNX

NVIDIA RTX A6000

We compared two Professional market GPUs: 24GB VRAM L40 CNX and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40 CNX 's Advantages

Released 2 years late

Boost Clock has increased by 38% (2475MHz vs 1800MHz)

Larger VRAM bandwidth (864.0GB/s vs 768.0GB/s)

7424 additional rendering cores

NVIDIA RTX A6000 's Advantages

More VRAM (48GB vs 24GB)

Score

Benchmark

FP32 (float)

L40 CNX +132%

89.97 TFLOPS

RTX A6000

38.71 TFLOPS

L40 CNX

VS

RTX A6000

Graphics Card

Oct 2022

Release Date

Oct 2020

Tesla Ada

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1005 MHz

Base Clock

1410 MHz

2475 MHz

Boost Clock

1800 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

384bit

864.0GB/s

Bandwidth

768.0GB/s

Render Config

-

142

SM Count

84

18176

Shading Units

10752

568

TMUs

336

192

ROPs

112

568

Tensor Cores

336

142

RT Cores

84

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

6 MB

-

Theoretical Performance

475.2 GPixel/s

Pixel Rate

201.6 GPixel/s

1406 GTexel/s

Texture Rate

604.8 GTexel/s

89.97 TFLOPS

FP16 (half)

38.71 TFLOPS

89.97 TFLOPS

FP32 (float)

38.71 TFLOPS

1406 GFLOPS

FP64 (double)

604.8 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 16-pin

Power Connectors

8-pin EPS

Graphics Processor

AD102

GPU Name

GA102

AD102-???-A1

GPU Variant

-

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

76.3 billion

Transistors

28.3 billion

608 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.6

6.6

Shader Model

6.7

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