NVIDIA H100 SXM5 80 GB vs NVIDIA A100 PCIe

VS

NVIDIA H100 SXM5 80 GB

NVIDIA A100 PCIe

AI GPUAI GPU We compared two GPUs: 80GB VRAM H100 SXM5 80 GB and 40GB VRAM A100 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H100 SXM5 80 GB 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 40% (1980MHz vs 1410MHz)

More VRAM (80GB vs 40GB)

Larger VRAM bandwidth (1681GB/s vs 1555GB/s)

9984 additional rendering cores

NVIDIA A100 PCIe 's Advantages

Lower TDP (250W vs 700W)

Score

Benchmark

FP32 (float)

H100 SXM5 80 GB +243%

66.91 TFLOPS

A100 PCIe

19.49 TFLOPS

H100 SXM5 80 GB

VS

A100 PCIe

Graphics Card

Mar 2023

Release Date

Jun 2020

Tesla Hopper

Generation

Tesla

AI GPU

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1590 MHz

Base Clock

765 MHz

1980 MHz

Boost Clock

1410 MHz

1313 MHz

Memory Clock

1215 MHz

Memory

80GB

Memory Size

40GB

HBM3

Memory Type

HBM2e

5120bit

Memory Bus

5120bit

1681GB/s

Bandwidth

1555GB/s

Render Config

-

132

SM Count

108

16896

Shading Units

6912

528

TMUs

432

24

ROPs

160

528

Tensor Cores

432

-

256 KB (per SM)

L1 Cache

192 KB (per SM)

50 MB

L2 Cache

40 MB

-

Theoretical Performance

47.52 GPixel/s

Pixel Rate

225.6 GPixel/s

1045 GTexel/s

Texture Rate

609.1 GTexel/s

267.6 TFLOPS

FP16 (half)

77.97 TFLOPS

66.91 TFLOPS

FP32 (float)

19.49 TFLOPS

33.45 TFLOPS

FP64 (double)

9.746 TFLOPS

Board Design

700W

TDP

250W

1100 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

8-pin EPS

Graphics Processor

GH100

GPU Name

GA100

-

Hopper

Architecture

Ampere

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

80 billion

Transistors

54.2 billion

814 mm²

Die Size

826 mm²

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

9.0

CUDA

8.0

N/A

Shader Model

N/A

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