NVIDIA A100 SXM4 40 GB vs NVIDIA H100 SXM5 64 GB

VS

NVIDIA A100 SXM4 40 GB NVIDIA H100 SXM5 64 GB

AI GPUAI GPU We compared two GPUs: 40GB VRAM A100 SXM4 40 GB and 64GB VRAM H100 SXM5 64 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A100 SXM4 40 GB 's Advantages

Larger VRAM bandwidth (1555GB/s vs 1008GB/s)

Lower TDP (400W vs 700W)

NVIDIA H100 SXM5 64 GB 's Advantages

Released 2 years and 10 months late

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

More VRAM (64GB vs 40GB)

9984 additional rendering cores

Score

Benchmark

FP32 (float)

A100 SXM4 40 GB

19.49 TFLOPS

H100 SXM5 64 GB +243%

66.91 TFLOPS

A100 SXM4 40 GB

VS

H100 SXM5 64 GB

Graphics Card

May 2020

Release Date

Mar 2023

Tesla Ampere

Generation

Tesla Hopper

AI GPU

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1095 MHz

Base Clock

1665 MHz

1410 MHz

Boost Clock

1980 MHz

1215 MHz

Memory Clock

1313 MHz

Memory

40GB

Memory Size

64GB

HBM2e

Memory Type

HBM3

5120bit

Memory Bus

3072bit

1555GB/s

Bandwidth

1008GB/s

Render Config

108

SM Count

132

-

Compute Units

-

6912

Shading Units

16896

432

TMUs

528

160

ROPs

24

432

Tensor Cores

528

-

RT Cores

-

192 KB (per SM)

L1 Cache

256 KB (per SM)

40 MB

L2 Cache

50 MB

Theoretical Performance

225.6 GPixel/s

Pixel Rate

47.52 GPixel/s

609.1 GTexel/s

Texture Rate

1045 GTexel/s

77.97 TFLOPS

FP16 (half)

267.6 TFLOPS

19.49 TFLOPS

FP32 (float)

66.91 TFLOPS

9.746 TFLOPS

FP64 (double)

33.45 TFLOPS

Graphics Processor

GA100

GPU Name

GH100

-

GPU Variant

-

Ampere

Architecture

Hopper

TSMC

Foundry

TSMC

7 nm

Process Size

4 nm

54.2 billion

Transistors

80 billion

826 mm²

Die Size

814 mm²

Board Design

400W

TDP

700W

800 W

Suggested PSU

1100 W

No outputs

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

8.0

CUDA

9.0

N/A

Shader Model

N/A

Related GPU Comparisons

1

NVIDIA GeForce RTX 4090 vs NVIDIA A100 SXM4 40 GB

2

NVIDIA A100 PCIe vs NVIDIA A100 SXM4 40 GB

3

NVIDIA A100 SXM4 40 GB vs NVIDIA A100 PCIe 80 GB

4

NVIDIA L40 vs NVIDIA A100 SXM4 40 GB

5

NVIDIA A100 SXM4 40 GB vs NVIDIA A100 SXM4 80 GB

6

NVIDIA RTX 6000 Ada vs NVIDIA A100 SXM4 40 GB

7

NVIDIA A100 SXM4 40 GB vs NVIDIA GeForce RTX 4060 Ti

8

NVIDIA A100 SXM4 40 GB vs NVIDIA H100 CNX

9

NVIDIA A100 SXM4 40 GB vs NVIDIA A800 PCIe 80 GB

10

NVIDIA A100 SXM4 40 GB vs NVIDIA H100 SXM5