AMD Radeon Instinct MI50 vs AMD Instinct MI300X

VS

AMD Radeon Instinct MI50

AMD Instinct MI300X

We compared two Professional market GPUs: 16GB VRAM Radeon Instinct MI50 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 MI50 's Advantages

Lower TDP (300W vs 750W)

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

Score

Benchmark

FP32 (float)

Radeon Instinct MI50

13.41 TFLOPS

AMD Instinct MI300X +1118%

163.4 TFLOPS

Radeon Instinct MI50

VS

AMD Instinct MI300X

Graphics Card

Nov 2018

Release Date

Dec 2023

Radeon Instinct

Generation

Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1200 MHz

Base Clock

1000 MHz

1746 MHz

Boost Clock

2100 MHz

1000 MHz

Memory Clock

5200 MHz

Memory

16GB

Memory Size

192GB

HBM2

Memory Type

HBM3

4096bit

Memory Bus

8192bit

1020GB/s

Bandwidth

5300GB/s

Render Config

60

Compute Units

304

-

3840

Shading Units

19456

240

TMUs

880

64

ROPs

0

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

16 MB

-

Theoretical Performance

111.7 GPixel/s

Pixel Rate

0 MPixel/s

419.0 GTexel/s

Texture Rate

1496 GTexel/s

26.82 TFLOPS

FP16 (half)

1300 TFLOPS

13.41 TFLOPS

FP32 (float)

163.4 TFLOPS

6.705 TFLOPS

FP64 (double)

81.7 TFLOPS

Board Design

300W

TDP

750W

700 W

Suggested PSU

1000 W

1x mini-DisplayPort 1.4a

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Processor

Vega 20

GPU Name

MI300

Vega 20 GLXT

GPU Variant

-

GCN 5.1

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

13.23 billion

Transistors

146 billion

331 mm²

Die Size

1017 mm²

Graphics Features

12 (12_1)

DirectX

N/A

4.6

OpenGL

N/A

2.1

OpenCL

3.0

1.3

Vulkan

N/A

-

6.7

Shader Model

N/A

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