NVIDIA RTX A4 Mobile vs NVIDIA L40G

VS

NVIDIA RTX A4 Mobile

NVIDIA L40G

We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 24GB VRAM L40G 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 40% (2475MHz vs 1770MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (864.0GB/s vs 224.0GB/s)

16128 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4 Mobile

7.25 TFLOPS

L40G +1140%

89.97 TFLOPS

RTX A4 Mobile

VS

L40G

Graphics Card

Apr 2021

Release Date

Oct 2022

Quadro Ampere-M

Generation

Tesla Ada

Professional

Type

Professional

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1297 MHz

Base Clock

1005 MHz

1770 MHz

Boost Clock

2475 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

384bit

224.0GB/s

Bandwidth

864.0GB/s

Render Config

-

16

SM Count

142

2048

Shading Units

18176

64

TMUs

568

32

ROPs

192

64

Tensor Cores

568

16

RT Cores

142

128 KB (per SM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

48 MB

-

Theoretical Performance

56.64 GPixel/s

Pixel Rate

475.2 GPixel/s

113.3 GTexel/s

Texture Rate

1406 GTexel/s

7.250 TFLOPS

FP16 (half)

89.97 TFLOPS

7.250 TFLOPS

FP32 (float)

89.97 TFLOPS

113.3 GFLOPS

FP64 (double)

1406 GFLOPS

Board Design

Unknown

TDP

300W

-

Suggested PSU

700 W

Portable Device Dependent

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

GA107

GPU Name

AD102

-

GPU Variant

AD102-???-A1

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

8.7 billion

Transistors

76.3 billion

200 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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