AMD Radeon Instinct MI6 vs AMD Instinct MI300X

VS

AMD Radeon Instinct MI6

AMD Instinct MI300X

We compared two Professional market GPUs: 8GB VRAM Radeon Instinct MI6 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 MI6 's Advantages

Lower TDP (150W vs 750W)

AMD Instinct MI300X 's Advantages

Released 7 years late

Boost Clock has increased by 70% (2100MHz vs 1233MHz)

More VRAM (192GB vs 8GB)

Larger VRAM bandwidth (5300GB/s vs 224.0GB/s)

17152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Instinct MI6

5.682 TFLOPS

AMD Instinct MI300X +2775%

163.4 TFLOPS

Radeon Instinct MI6

VS

AMD Instinct MI300X

Graphics Card

Dec 2016

Release Date

Dec 2023

Radeon Instinct

Generation

Instinct

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1120 MHz

Base Clock

1000 MHz

1233 MHz

Boost Clock

2100 MHz

1750 MHz

Memory Clock

5200 MHz

Memory

8GB

Memory Size

192GB

GDDR5

Memory Type

HBM3

256bit

Memory Bus

8192bit

224.0GB/s

Bandwidth

5300GB/s

Render Config

36

Compute Units

304

-

2304

Shading Units

19456

144

TMUs

880

32

ROPs

0

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

16 MB

-

Theoretical Performance

39.46 GPixel/s

Pixel Rate

0 MPixel/s

177.6 GTexel/s

Texture Rate

1496 GTexel/s

5.682 TFLOPS

FP16 (half)

1300 TFLOPS

5.682 TFLOPS

FP32 (float)

163.4 TFLOPS

355.1 GFLOPS

FP64 (double)

81.7 TFLOPS

Board Design

150W

TDP

750W

450 W

Suggested PSU

1000 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

MI300

Ellesmere XT

GPU Variant

-

GCN 4.0

Architecture

CDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

5.7 billion

Transistors

146 billion

232 mm²

Die Size

1017 mm²

Graphics Features

12 (12_0)

DirectX

N/A

4.6

OpenGL

N/A

2.1

OpenCL

3.0

1.2

Vulkan

N/A

-

6.4

Shader Model

N/A

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