AMD Instinct MI300X vs AMD Radeon Instinct MI50

VS

AMD Instinct MI300X AMD Radeon Instinct MI50

We compared two Professional market GPUs: 192GB VRAM AMD Instinct MI300X and 16GB VRAM Radeon Instinct MI50 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 5 years and 1 months late

Boost Clock has increased by 20% (2100MHz vs 1746MHz)

More VRAM (192GB vs 16GB)

Larger VRAM bandwidth (5300GB/s vs 1020GB/s)

15616 additional rendering cores

AMD Radeon Instinct MI50 's Advantages

Lower TDP (300W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +1118%

163.4 TFLOPS

Radeon Instinct MI50

13.41 TFLOPS

AMD Instinct MI300X

VS

Radeon Instinct MI50

Graphics Card

Dec 2023

Release Date

Nov 2018

Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1200 MHz

2100 MHz

Boost Clock

1746 MHz

5200 MHz

Memory Clock

1000 MHz

Memory

192GB

Memory Size

16GB

HBM3

Memory Type

HBM2

8192bit

Memory Bus

4096bit

5300GB/s

Bandwidth

1020GB/s

Render Config

-

SM Count

-

304

Compute Units

60

19456

Shading Units

3840

880

TMUs

240

0

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

4 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

111.7 GPixel/s

1496 GTexel/s

Texture Rate

419.0 GTexel/s

1300 TFLOPS

FP16 (half)

26.82 TFLOPS

163.4 TFLOPS

FP32 (float)

13.41 TFLOPS

81.7 TFLOPS

FP64 (double)

6.705 TFLOPS

Graphics Processor

MI300

GPU Name

Vega 20

-

GPU Variant

Vega 20 GLXT

CDNA 3.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

146 billion

Transistors

13.23 billion

1017 mm²

Die Size

331 mm²

Board Design

750W

TDP

300W

1000 W

Suggested PSU

700 W

No outputs

Outputs

1x mini-DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

12 (12_1)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

N/A

Shader Model

6.7

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