NVIDIA RTX A4000 vs NVIDIA L40S

VS

NVIDIA RTX A4000 NVIDIA L40S

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 48GB VRAM L40S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Lower TDP (140W vs 300W)

NVIDIA L40S 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 62% (2520MHz vs 1560MHz)

More VRAM (48GB vs 16GB)

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

12032 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000

19.17 TFLOPS

L40S +377%

91.61 TFLOPS

RTX A4000

VS

L40S

Graphics Card

Apr 2021

Release Date

Oct 2022

Quadro Ampere

Generation

Tesla Ada

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

735 MHz

Base Clock

1110 MHz

1560 MHz

Boost Clock

2520 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

448.0GB/s

Bandwidth

864.0GB/s

Render Config

48

SM Count

142

-

Compute Units

-

6144

Shading Units

18176

192

TMUs

568

96

ROPs

192

Tensor Cores

568

48

RT Cores

142

128 KB (per SM)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

48 MB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

483.8 GPixel/s

299.5 GTexel/s

Texture Rate

1431 GTexel/s

19.17 TFLOPS

FP16 (half)

91.61 TFLOPS

19.17 TFLOPS

FP32 (float)

91.61 TFLOPS

299.5 GFLOPS

FP64 (double)

1431 GFLOPS

Graphics Processor

GA104

GPU Name

AD102

GA104-875-A1

GPU Variant

AD102-???-A1

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

17.4 billion

Transistors

76.3 billion

392 mm²

Die Size

609 mm²

Board Design

140W

TDP

300W

300 W

Suggested PSU

700 W

4x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 16-pin

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

6.7

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