NVIDIA H800 PCIe 80 GB vs NVIDIA A100 SXM4 80 GB

VS

NVIDIA H800 PCIe 80 GB NVIDIA A100 SXM4 80 GB

AI GPUAI GPU We compared two GPUs: 80GB VRAM H800 PCIe 80 GB and 80GB VRAM A100 SXM4 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H800 PCIe 80 GB 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 24% (1755MHz vs 1410MHz)

7680 additional rendering cores

Lower TDP (350W vs 400W)

Score

Benchmark

FP32 (float)

H800 PCIe 80 GB +162%

51.22 TFLOPS

A100 SXM4 80 GB

19.49 TFLOPS

H800 PCIe 80 GB

VS

A100 SXM4 80 GB

Graphics Card

Mar 2023

Release Date

Nov 2020

Tesla Hopper

Generation

Tesla Ampere

AI GPU

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1095 MHz

Base Clock

1275 MHz

1755 MHz

Boost Clock

1410 MHz

1593 MHz

Memory Clock

1593 MHz

Memory

80GB

Memory Size

80GB

HBM2e

Memory Type

HBM2e

5120bit

Memory Bus

5120bit

2039GB/s

Bandwidth

2039GB/s

Render Config

114

SM Count

108

-

Compute Units

-

14592

Shading Units

6912

456

TMUs

432

24

ROPs

160

456

Tensor Cores

432

-

RT Cores

-

256 KB (per SM)

L1 Cache

192 KB (per SM)

50 MB

L2 Cache

40 MB

Theoretical Performance

42.12 GPixel/s

Pixel Rate

225.6 GPixel/s

800.3 GTexel/s

Texture Rate

609.1 GTexel/s

204.9 TFLOPS

FP16 (half)

77.97 TFLOPS

51.22 TFLOPS

FP32 (float)

19.49 TFLOPS

25.61 TFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GH100

GPU Name

GA100

-

GPU Variant

-

Hopper

Architecture

Ampere

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

80 billion

Transistors

54.2 billion

814 mm²

Die Size

826 mm²

Board Design

350W

TDP

400W

750 W

Suggested PSU

800 W

No outputs

Outputs

No outputs

1x 16-pin

Power Connectors

None

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

Related GPU Comparisons

1

NVIDIA H800 SXM5 vs NVIDIA H800 PCIe 80 GB

2

NVIDIA H800 PCIe 80 GB vs NVIDIA H100 CNX

3

H200 SXM vs NVIDIA H800 PCIe 80 GB

4

NVIDIA H800 PCIe 80 GB vs NVIDIA H100 PCIe 80 GB

5

NVIDIA A800 PCIe 40 GB vs NVIDIA H800 PCIe 80 GB

6

NVIDIA Tesla K8 vs NVIDIA H800 PCIe 80 GB

7

NVIDIA A100 PCIe vs NVIDIA A100 SXM4 80 GB

8

NVIDIA H800 PCIe 80 GB vs NVIDIA H100 SXM5 64 GB

9

NVIDIA H800 PCIe 80 GB vs NVIDIA H100 SXM5 96 GB

10

NVIDIA H800 PCIe 80 GB vs NVIDIA A100 SXM4 40 GB