AMD Radeon Instinct MI300 vs AMD Radeon Instinct MI8

VS

AMD Radeon Instinct MI300

AMD Radeon Instinct MI8

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages

Released 6 years and 1 months late

Boost Clock1700MHz

More VRAM (128GB vs 4GB)

Larger VRAM bandwidth (3277GB/s vs 512.0GB/s)

9984 additional rendering cores

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 600W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300 +484%

47.87 TFLOPS

Radeon Instinct MI8

8.192 TFLOPS

Radeon Instinct MI300

VS

Radeon Instinct MI8

Graphics Card

Jan 2023

Release Date

Dec 2016

Radeon Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1700 MHz

Boost Clock

-

1600 MHz

Memory Clock

500 MHz

Memory

128GB

Memory Size

4GB

HBM3

Memory Type

HBM

8192bit

Memory Bus

4096bit

3277GB/s

Bandwidth

512.0GB/s

Render Config

220

Compute Units

64

-

14080

Shading Units

4096

880

TMUs

256

0

ROPs

64

880

Tensor Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

2 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

64.00 GPixel/s

1496 GTexel/s

Texture Rate

256.0 GTexel/s

383.0 TFLOPS

FP16 (half)

8.192 TFLOPS

47.87 TFLOPS

FP32 (float)

8.192 TFLOPS

47.87 TFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

600W

TDP

175W

1000 W

Suggested PSU

450 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Aqua Vanjaram

GPU Name

Fiji

-

GPU Variant

Fiji XT CA (215-0862120)

CDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

153 billion

Transistors

8.9 billion

1017 mm²

Die Size

596 mm²

Graphics Features

N/A

DirectX

12 (12_0)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.2.170

-

N/A

Shader Model

6.5

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