NVIDIA GeForce RTX 4080 vs NVIDIA H100 PCIe 80 GB

VS

NVIDIA GeForce RTX 4080

NVIDIA H100 PCIe 80 GB

AI GPU We compared a Desktop platform GPU: 16GB VRAM GeForce RTX 4080 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 GeForce RTX 4080 's Advantages

Boost Clock has increased by 43% (2505MHz vs 1755MHz)

Lower TDP (320W vs 350W)

NVIDIA H100 PCIe 80 GB 's Advantages

Released 6 months late

More VRAM (80GB vs 16GB)

Larger VRAM bandwidth (2040GB/s vs 716.8GB/s)

4864 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080

48.74 TFLOPS

H100 PCIe 80 GB +5%

51.22 TFLOPS

GeForce RTX 4080

VS

H100 PCIe 80 GB

Graphics Card

Sep 2022

Release Date

Mar 2023

GeForce 40

Generation

Tesla Hopper

Desktop

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

2205 MHz

Base Clock

1095 MHz

2505 MHz

Boost Clock

1755 MHz

1400 MHz

Memory Clock

1593 MHz

Memory

16GB

Memory Size

80GB

GDDR6X

Memory Type

HBM2e

256bit

Memory Bus

5120bit

716.8GB/s

Bandwidth

2040GB/s

Render Config

-

76

SM Count

114

9728

Shading Units

14592

304

TMUs

456

112

ROPs

24

304

Tensor Cores

456

76

RT Cores

-

128 KB (per SM)

L1 Cache

256 KB (per SM)

64 MB

L2 Cache

50 MB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

42.12 GPixel/s

761.5 GTexel/s

Texture Rate

800.3 GTexel/s

48.74 TFLOPS

FP16 (half)

204.9 TFLOPS

48.74 TFLOPS

FP32 (float)

51.22 TFLOPS

761.5 GFLOPS

FP64 (double)

25.61 TFLOPS

Board Design

320W

TDP

350W

700 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

1x 16-pin

Graphics Processor

AD103

GPU Name

GH100

AD103-300-A1

GPU Variant

-

Ada Lovelace

Architecture

Hopper

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

45.9 billion

Transistors

80 billion

379 mm²

Die Size

814 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.9

CUDA

9.0

6.7

Shader Model

N/A

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