NVIDIA H100 PCIe 80 GB vs NVIDIA GeForce RTX 4090

VS

NVIDIA H100 PCIe 80 GB NVIDIA GeForce RTX 4090

AI GPU We compared a GPU: 80GB VRAM H100 PCIe 80 GB and a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H100 PCIe 80 GB 's Advantages

Released 6 months late

More VRAM (80GB vs 24GB)

Larger VRAM bandwidth (2039GB/s vs 1008GB/s)

Lower TDP (350W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock has increased by 44% (2520MHz vs 1755MHz)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

H100 PCIe 80 GB

51.22 TFLOPS

GeForce RTX 4090 +61%

82.58 TFLOPS

H100 PCIe 80 GB

VS

GeForce RTX 4090

Graphics Card

Mar 2023

Release Date

Sep 2022

Tesla Hopper

Generation

GeForce 40

AI GPU

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1095 MHz

Base Clock

2235 MHz

1755 MHz

Boost Clock

2520 MHz

1593 MHz

Memory Clock

1313 MHz

Memory

80GB

Memory Size

24GB

HBM2e

Memory Type

GDDR6X

5120bit

Memory Bus

384bit

2039GB/s

Bandwidth

1008GB/s

Render Config

114

SM Count

128

-

Compute Units

-

14592

Shading Units

16384

456

TMUs

512

24

ROPs

176

456

Tensor Cores

512

-

RT Cores

128

256 KB (per SM)

L1 Cache

128 KB (per SM)

50 MB

L2 Cache

72 MB

Theoretical Performance

42.12 GPixel/s

Pixel Rate

443.5 GPixel/s

800.3 GTexel/s

Texture Rate

1290 GTexel/s

204.9 TFLOPS

FP16 (half)

82.58 TFLOPS

51.22 TFLOPS

FP32 (float)

82.58 TFLOPS

25.61 TFLOPS

FP64 (double)

1290 GFLOPS

Graphics Processor

GH100

GPU Name

AD102

-

GPU Variant

AD102-300-A1

Hopper

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

4 nm

Process Size

5 nm

80 billion

Transistors

76.3 billion

814 mm²

Die Size

609 mm²

Board Design

350W

TDP

450W

750 W

Suggested PSU

850 W

No outputs

Outputs

1x HDMI 2.1 3x 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

6.7

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