NVIDIA H100 PCIe vs NVIDIA L40

VS

NVIDIA H100 PCIe NVIDIA L40

AI GPU We compared a GPU: 80GB VRAM H100 PCIe 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 H100 PCIe 's Advantages

More VRAM (80GB vs 48GB)

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

NVIDIA L40 's Advantages

Released 7 months late

Boost Clock has increased by 42% (2490MHz vs 1755MHz)

3584 additional rendering cores

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

H100 PCIe

51.22 TFLOPS

L40 +76%

90.52 TFLOPS

Blender

H100 PCIe

4845

L40 +95%

9486

H100 PCIe

VS

L40

Graphics Card

Mar 2022

Release Date

Oct 2022

Tesla Hopper

Generation

Tesla Ada

AI GPU

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1095 MHz

Base Clock

735 MHz

1755 MHz

Boost Clock

2490 MHz

1593 MHz

Memory Clock

2250 MHz

Memory

80GB

Memory Size

48GB

HBM2e

Memory Type

GDDR6

5120bit

Memory Bus

384bit

2039GB/s

Bandwidth

864.0GB/s

Render Config

114

SM Count

142

-

Compute Units

-

14592

Shading Units

18176

456

TMUs

568

24

ROPs

192

456

Tensor Cores

568

-

RT Cores

142

256 KB (per SM)

L1 Cache

128 KB (per SM)

50 MB

L2 Cache

96 MB

Theoretical Performance

42.12 GPixel/s

Pixel Rate

478.1 GPixel/s

800.3 GTexel/s

Texture Rate

1414 GTexel/s

204.9 TFLOPS

FP16 (half)

90.52 TFLOPS

51.22 TFLOPS

FP32 (float)

90.52 TFLOPS

25.61 TFLOPS

FP64 (double)

1414 GFLOPS

Graphics Processor

GH100

GPU Name

AD102

-

GPU Variant

AD102-895-A1

Hopper

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

4 nm

Process Size

4 nm

80 billion

Transistors

76.3 billion

814 mm²

Die Size

608 mm²

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 W

No outputs

Outputs

4x DisplayPort 1.4a

1x 16-pin

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

9.0

CUDA

8.9

N/A

Shader Model

6.6

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