NVIDIA GeForce RTX 4090 vs NVIDIA L40G

VS

We compared a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 and a Professional market GPU: 24GB VRAM L40G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock has increased by 2% (2520MHz vs 2475MHz)

NVIDIA L40G 's Advantages

Larger VRAM bandwidth (864.0TB/s vs 1.01TB/s)

1792 additional rendering cores

Lower TDP (300W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090

82.58 TFLOPS

L40G +8%

89.97 TFLOPS

GeForce RTX 4090

VS

L40G

Graphics Card

Sep 2022

Release Date

Oct 2022

GeForce 40

Generation

Tesla Ada

Desktop

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1005 MHz

2520 MHz

Boost Clock

2475 MHz

1313 MHz

Memory Clock

2250 MHz

Memory

24GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

384bit

1.01TB/s

Bandwidth

864.0GB/s

Render Config

128

SM Count

142

-

Compute Units

-

16384

Shading Units

18176

512

TMUs

568

176

ROPs

192

512

Tensor Cores

568

128

RT Cores

142

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

48 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

475.2 GPixel/s

1290 GTexel/s

Texture Rate

1406 GTexel/s

82.58 TFLOPS

FP16 (half)

89.97 TFLOPS

82.58 TFLOPS

FP32 (float)

89.97 TFLOPS

1290 GFLOPS

FP64 (double)

1406 GFLOPS

Graphics Processor

AD102

GPU Name

AD102

AD102-300-A1

GPU Variant

AD102-???-A1

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

76.3 billion

Transistors

76.3 billion

609 mm²

Die Size

608 mm²

Board Design

450W

TDP

300W

850 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-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

8.9

CUDA

8.9

6.7

Shader Model

6.6

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