NVIDIA RTX A4000 vs NVIDIA H100 PCIe 80 GB

VS

AI GPU We compared a Professional market GPU: 16GB VRAM RTX A4000 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 RTX A4000 's Advantages

Lower TDP (140W vs 350W)

NVIDIA H100 PCIe 80 GB 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 12% (1755MHz vs 1560MHz)

More VRAM (80GB vs 16GB)

Larger VRAM bandwidth (2039GB/s vs 448.0GB/s)

8448 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000

19.17 TFLOPS

H100 PCIe 80 GB +167%

51.22 TFLOPS

RTX A4000

VS

H100 PCIe 80 GB

Graphics Card

Apr 2021

Release Date

Mar 2023

Quadro Ampere

Generation

Tesla Hopper

Professional

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

735 MHz

Base Clock

1095 MHz

1560 MHz

Boost Clock

1755 MHz

1750 MHz

Memory Clock

1593 MHz

Memory

16GB

Memory Size

80GB

GDDR6

Memory Type

HBM2e

256bit

Memory Bus

5120bit

448.0GB/s

Bandwidth

2039GB/s

Render Config

48

SM Count

114

-

Compute Units

-

6144

Shading Units

14592

192

TMUs

456

96

ROPs

24

192

Tensor Cores

456

48

RT Cores

-

128 KB (per SM)

L1 Cache

256 KB (per SM)

4 MB

L2 Cache

50 MB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

42.12 GPixel/s

299.5 GTexel/s

Texture Rate

800.3 GTexel/s

19.17 TFLOPS

FP16 (half)

204.9 TFLOPS

19.17 TFLOPS

FP32 (float)

51.22 TFLOPS

299.5 GFLOPS

FP64 (double)

25.61 TFLOPS

Graphics Processor

GA104

GPU Name

GH100

GA104-875-A1

GPU Variant

-

Ampere

Architecture

Hopper

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

17.4 billion

Transistors

80 billion

392 mm²

Die Size

814 mm²

Board Design

140W

TDP

350W

300 W

Suggested PSU

750 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 6-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

8.6

CUDA

9.0

6.7

Shader Model

N/A

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