NVIDIA L40G vs NVIDIA RTX A4000

VS

NVIDIA L40G

NVIDIA RTX A4000

We compared two Professional market GPUs: 24GB VRAM L40G and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40G 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 59% (2475MHz vs 1560MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (864.0GB/s vs 448.0GB/s)

12032 additional rendering cores

NVIDIA RTX A4000 's Advantages

Lower TDP (140W vs 300W)

Score

Benchmark

FP32 (float)

L40G +369%

89.97 TFLOPS

RTX A4000

19.17 TFLOPS

L40G

VS

RTX A4000

Graphics Card

Oct 2022

Release Date

Apr 2021

Tesla Ada

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1005 MHz

Base Clock

735 MHz

2475 MHz

Boost Clock

1560 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

864.0GB/s

Bandwidth

448.0GB/s

Render Config

-

142

SM Count

48

18176

Shading Units

6144

568

TMUs

192

ROPs

96

568

Tensor Cores

192

142

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

4 MB

-

Theoretical Performance

475.2 GPixel/s

Pixel Rate

149.8 GPixel/s

1406 GTexel/s

Texture Rate

299.5 GTexel/s

89.97 TFLOPS

FP16 (half)

19.17 TFLOPS

89.97 TFLOPS

FP32 (float)

19.17 TFLOPS

1406 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

300W

TDP

140W

700 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD102

GPU Name

GA104

AD102-???-A1

GPU Variant

GA104-875-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

76.3 billion

Transistors

17.4 billion

608 mm²

Die Size

392 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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