AMD Radeon Instinct MI100 vs AMD Instinct MI300X

VS

AMD Radeon Instinct MI100 AMD Instinct MI300X

We compared two Professional market GPUs: 32GB VRAM Radeon Instinct MI100 and 192GB VRAM AMD Instinct MI300X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI100 's Advantages

Lower TDP (300W vs 750W)

AMD Instinct MI300X 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 40% (2100MHz vs 1502MHz)

More VRAM (192GB vs 32GB)

Larger VRAM bandwidth (5300GB/s vs 1229GB/s)

11776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Instinct MI100

23.07 TFLOPS

AMD Instinct MI300X +608%

163.4 TFLOPS

Radeon Instinct MI100

VS

AMD Instinct MI300X

Graphics Card

Nov 2020

Release Date

Dec 2023

Radeon Instinct

Generation

Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1000 MHz

Base Clock

1000 MHz

1502 MHz

Boost Clock

2100 MHz

1200 MHz

Memory Clock

5200 MHz

Memory

32GB

Memory Size

192GB

HBM2

Memory Type

HBM3

4096bit

Memory Bus

8192bit

1229GB/s

Bandwidth

5300GB/s

Render Config

-

SM Count

-

120

Compute Units

304

7680

Shading Units

19456

480

TMUs

880

64

ROPs

0

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

8 MB

L2 Cache

16 MB

Theoretical Performance

96.13 GPixel/s

Pixel Rate

0 MPixel/s

721.0 GTexel/s

Texture Rate

1496 GTexel/s

184.6 TFLOPS

FP16 (half)

1300 TFLOPS

23.07 TFLOPS

FP32 (float)

163.4 TFLOPS

11.54 TFLOPS

FP64 (double)

81.7 TFLOPS

Graphics Processor

Arcturus

GPU Name

MI300

Arcturus XL

GPU Variant

-

CDNA 1.0

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

25.6 billion

Transistors

146 billion

750 mm²

Die Size

1017 mm²

Board Design

300W

TDP

750W

700 W

Suggested PSU

1000 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

2.1

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

-

N/A

Shader Model

N/A

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