NVIDIA L20 vs NVIDIA L40

VS

NVIDIA L20 NVIDIA L40

We compared a Desktop platform GPU: 48GB VRAM L20 and a Professional market GPU: 48GB VRAM L40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Released 1 years and 1 months late

Boost Clock has increased by 1% (2520MHz vs 2490MHz)

Lower TDP (275W vs 300W)

NVIDIA L40 's Advantages

6400 additional rendering cores

Score

Benchmark

FP32 (float)

L20

59.35 TFLOPS

L40 +52%

90.52 TFLOPS

L20

VS

L40

Graphics Card

Nov 2023

Release Date

Oct 2022

Tesla Ada

Generation

Tesla Ada

Desktop

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1440 MHz

Base Clock

735 MHz

2520 MHz

Boost Clock

2490 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

48GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

384bit

864.0GB/s

Bandwidth

864.0GB/s

Render Config

92

SM Count

142

-

Compute Units

-

11776

Shading Units

18176

368

TMUs

568

128

ROPs

192

368

Tensor Cores

568

92

RT Cores

142

128 KB (per SM)

L1 Cache

128 KB (per SM)

96 MB

L2 Cache

96 MB

Theoretical Performance

322.6 GPixel/s

Pixel Rate

478.1 GPixel/s

927.4 GTexel/s

Texture Rate

1414 GTexel/s

59.35 TFLOPS

FP16 (half)

90.52 TFLOPS

59.35 TFLOPS

FP32 (float)

90.52 TFLOPS

927.4 GFLOPS

FP64 (double)

1414 GFLOPS

Graphics Processor

AD102

GPU Name

AD102

GPU Variant

AD102-895-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

275W

TDP

300W

600 W

Suggested PSU

700 W

4x DisplayPort 1.4a

Outputs

4x 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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