NVIDIA RTX A6000 vs NVIDIA L40G

VS

NVIDIA RTX A6000

NVIDIA L40G

We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 24GB VRAM L40G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A6000 's Advantages

More VRAM (48GB vs 24GB)

NVIDIA L40G '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

Score

Benchmark

FP32 (float)

RTX A6000

38.71 TFLOPS

L40G +132%

89.97 TFLOPS

RTX A6000

VS

L40G

Graphics Card

Oct 2020

Release Date

Oct 2022

Quadro Ampere

Generation

Tesla Ada

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1410 MHz

Base Clock

1005 MHz

1800 MHz

Boost Clock

2475 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

48GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

384bit

768.0GB/s

Bandwidth

864.0GB/s

Render Config

-

84

SM Count

142

10752

Shading Units

18176

336

TMUs

568

112

ROPs

192

336

Tensor Cores

568

84

RT Cores

142

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

-

Theoretical Performance

201.6 GPixel/s

Pixel Rate

475.2 GPixel/s

604.8 GTexel/s

Texture Rate

1406 GTexel/s

38.71 TFLOPS

FP16 (half)

89.97 TFLOPS

38.71 TFLOPS

FP32 (float)

89.97 TFLOPS

604.8 GFLOPS

FP64 (double)

1406 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

4x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 16-pin

Graphics Processor

GA102

GPU Name

AD102

-

GPU Variant

AD102-???-A1

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

28.3 billion

Transistors

76.3 billion

628 mm²

Die Size

608 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

8.6

CUDA

8.9

6.7

Shader Model

6.6

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