NVIDIA A100 PCIe 80 GB vs NVIDIA L40 CNX

VS

We compared two Professional market GPUs: 80GB VRAM A100 PCIe 80 GB and 24GB VRAM L40 CNX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A100 PCIe 80 GB 's Advantages

More VRAM (80GB vs 24GB)

Larger VRAM bandwidth (1935GB/s vs 864.0GB/s)

NVIDIA L40 CNX 's Advantages

Released 1 years and 4 months late

Boost Clock has increased by 76% (2475MHz vs 1410MHz)

11264 additional rendering cores

Score

Benchmark

FP32 (float)

A100 PCIe 80 GB

19.49 TFLOPS

L40 CNX +361%

89.97 TFLOPS

A100 PCIe 80 GB

VS

L40 CNX

Graphics Card

Jun 2021

Release Date

Oct 2022

Tesla Ampere

Generation

Tesla Ada

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1065 MHz

Base Clock

1005 MHz

1410 MHz

Boost Clock

2475 MHz

1512 MHz

Memory Clock

2250 MHz

Memory

80GB

Memory Size

24GB

HBM2e

Memory Type

GDDR6

5120bit

Memory Bus

384bit

1935GB/s

Bandwidth

864.0GB/s

Render Config

108

SM Count

142

-

Compute Units

-

6912

Shading Units

18176

432

TMUs

568

160

ROPs

192

432

Tensor Cores

568

-

RT Cores

142

192 KB (per SM)

L1 Cache

128 KB (per SM)

80 MB

L2 Cache

48 MB

Theoretical Performance

225.6 GPixel/s

Pixel Rate

475.2 GPixel/s

609.1 GTexel/s

Texture Rate

1406 GTexel/s

77.97 TFLOPS

FP16 (half)

89.97 TFLOPS

19.49 TFLOPS

FP32 (float)

89.97 TFLOPS

9.746 TFLOPS

FP64 (double)

1406 GFLOPS

Graphics Processor

GA100

GPU Name

AD102

-

GPU Variant

AD102-???-A1

Ampere

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

4 nm

54.2 billion

Transistors

76.3 billion

826 mm²

Die Size

608 mm²

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 16-pin

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

8.0

CUDA

8.9

N/A

Shader Model

6.6

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