NVIDIA L40S vs NVIDIA H100 PCIe 80 GB

VS

AI GPU We compared a Professional market GPU: 48GB VRAM L40S and a GPU: 80GB VRAM H100 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40S 's Advantages

Boost Clock has increased by 44% (2520MHz vs 1755MHz)

3584 additional rendering cores

Lower TDP (300W vs 350W)

NVIDIA H100 PCIe 80 GB 's Advantages

More VRAM (80GB vs 48GB)

Larger VRAM bandwidth (2039GB/s vs 864.0GB/s)

Score

Benchmark

FP32 (float)

L40S +78%

91.61 TFLOPS

H100 PCIe 80 GB

51.22 TFLOPS

L40S

VS

H100 PCIe 80 GB

Graphics Card

Oct 2022

Release Date

Mar 2023

Tesla Ada

Generation

Tesla Hopper

Professional

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1110 MHz

Base Clock

1095 MHz

2520 MHz

Boost Clock

1755 MHz

2250 MHz

Memory Clock

1593 MHz

Memory

48GB

Memory Size

80GB

GDDR6

Memory Type

HBM2e

384bit

Memory Bus

5120bit

864.0GB/s

Bandwidth

2039GB/s

Render Config

142

SM Count

114

-

Compute Units

-

18176

Shading Units

14592

568

TMUs

456

192

ROPs

24

568

Tensor Cores

456

142

RT Cores

-

128 KB (per SM)

L1 Cache

256 KB (per SM)

48 MB

L2 Cache

50 MB

Theoretical Performance

483.8 GPixel/s

Pixel Rate

42.12 GPixel/s

1431 GTexel/s

Texture Rate

800.3 GTexel/s

91.61 TFLOPS

FP16 (half)

204.9 TFLOPS

91.61 TFLOPS

FP32 (float)

51.22 TFLOPS

1431 GFLOPS

FP64 (double)

25.61 TFLOPS

Graphics Processor

AD102

GPU Name

GH100

AD102-???-A1

GPU Variant

-

Ada Lovelace

Architecture

Hopper

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

76.3 billion

Transistors

80 billion

609 mm²

Die Size

814 mm²

Board Design

300W

TDP

350W

700 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

1x 16-pin

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.9

CUDA

9.0

6.7

Shader Model

N/A

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