AMD Radeon Instinct MI300 vs NVIDIA H100 PCIe

VS

AMD Radeon Instinct MI300 NVIDIA H100 PCIe

AI GPU We compared a Professional market GPU: 128GB VRAM Radeon Instinct MI300 and a GPU: 80GB VRAM H100 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages

Released 10 months late

More VRAM (128GB vs 80GB)

Larger VRAM bandwidth (3277GB/s vs 2039GB/s)

NVIDIA H100 PCIe 's Advantages

Boost Clock has increased by 3% (1755MHz vs 1700MHz)

512 additional rendering cores

Lower TDP (350W vs 600W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300

47.87 TFLOPS

H100 PCIe +6%

51.22 TFLOPS

Radeon Instinct MI300

VS

H100 PCIe

Graphics Card

Jan 2023

Release Date

Mar 2022

Radeon Instinct

Generation

Tesla Hopper

Professional

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1000 MHz

Base Clock

1095 MHz

1700 MHz

Boost Clock

1755 MHz

1600 MHz

Memory Clock

1593 MHz

Memory

128GB

Memory Size

80GB

HBM3

Memory Type

HBM2e

8192bit

Memory Bus

5120bit

3277GB/s

Bandwidth

2039GB/s

Render Config

-

SM Count

114

220

Compute Units

-

14080

Shading Units

14592

880

TMUs

456

0

ROPs

24

880

Tensor Cores

456

-

RT Cores

-

16 KB (per CU)

L1 Cache

256 KB (per SM)

16 MB

L2 Cache

50 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

42.12 GPixel/s

1496 GTexel/s

Texture Rate

800.3 GTexel/s

383.0 TFLOPS

FP16 (half)

204.9 TFLOPS

47.87 TFLOPS

FP32 (float)

51.22 TFLOPS

47.87 TFLOPS

FP64 (double)

25.61 TFLOPS

Graphics Processor

Aqua Vanjaram

GPU Name

GH100

-

GPU Variant

-

CDNA 3.0

Architecture

Hopper

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

153 billion

Transistors

80 billion

1017 mm²

Die Size

814 mm²

Board Design

600W

TDP

350W

1000 W

Suggested PSU

750 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

1x 16-pin

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

9.0

N/A

Shader Model

N/A

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