AMD Instinct MI300X vs NVIDIA H100 SXM5 80 GB

VS

AMD Instinct MI300X NVIDIA H100 SXM5 80 GB

AI GPU We compared a Professional market GPU: 192GB VRAM AMD Instinct MI300X and a GPU: 80GB VRAM H100 SXM5 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 9 months late

Boost Clock has increased by 6% (2100MHz vs 1980MHz)

More VRAM (192GB vs 80GB)

Larger VRAM bandwidth (5300GB/s vs 1681GB/s)

2560 additional rendering cores

NVIDIA H100 SXM5 80 GB 's Advantages

Lower TDP (700W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +144%

163.4 TFLOPS

H100 SXM5 80 GB

66.91 TFLOPS

AMD Instinct MI300X

VS

H100 SXM5 80 GB

Graphics Card

Dec 2023

Release Date

Mar 2023

Instinct

Generation

Tesla Hopper

Professional

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1000 MHz

Base Clock

1590 MHz

2100 MHz

Boost Clock

1980 MHz

5200 MHz

Memory Clock

1313 MHz

Memory

192GB

Memory Size

80GB

HBM3

Memory Type

HBM3

8192bit

Memory Bus

5120bit

5300GB/s

Bandwidth

1681GB/s

Render Config

-

SM Count

132

304

Compute Units

-

19456

Shading Units

16896

880

TMUs

528

0

ROPs

24

-

Tensor Cores

528

-

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

47.52 GPixel/s

1496 GTexel/s

Texture Rate

1045 GTexel/s

1300 TFLOPS

FP16 (half)

267.6 TFLOPS

163.4 TFLOPS

FP32 (float)

66.91 TFLOPS

81.7 TFLOPS

FP64 (double)

33.45 TFLOPS

Graphics Processor

MI300

GPU Name

GH100

-

GPU Variant

-

CDNA 3.0

Architecture

Hopper

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

146 billion

Transistors

80 billion

1017 mm²

Die Size

814 mm²

Board Design

750W

TDP

700W

1000 W

Suggested PSU

1100 W

No outputs

Outputs

No outputs

None

Power Connectors

8-pin EPS

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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