AMD Instinct MI300A vs AMD Radeon Instinct MI250X

VS

AMD Instinct MI300A AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300A 's Advantages

Released 2 years and 1 months late

Boost Clock has increased by 24% (2100MHz vs 1700MHz)

Larger VRAM bandwidth (5300GB/s vs 3277GB/s)

512 additional rendering cores

AMD Radeon Instinct MI250X 's Advantages

Lower TDP (500W vs 760W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300A +156%

122.6 TFLOPS

Radeon Instinct MI250X

47.87 TFLOPS

AMD Instinct MI300A

VS

Radeon Instinct MI250X

Graphics Card

Dec 2023

Release Date

Nov 2021

Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1000 MHz

2100 MHz

Boost Clock

1700 MHz

5200 MHz

Memory Clock

1600 MHz

Memory

128GB

Memory Size

128GB

HBM3

Memory Type

HBM2e

8192bit

Memory Bus

8192bit

5300GB/s

Bandwidth

3277GB/s

Render Config

-

SM Count

-

228

Compute Units

220

14592

Shading Units

14080

880

TMUs

880

0

ROPs

0

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

16 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

0 MPixel/s

1496 GTexel/s

Texture Rate

1496 GTexel/s

980.6 TFLOPS

FP16 (half)

383.0 TFLOPS

122.6 TFLOPS

FP32 (float)

47.87 TFLOPS

61.3 TFLOPS

FP64 (double)

47.87 TFLOPS

Graphics Processor

MI300

GPU Name

Aldebaran

-

GPU Variant

Aldebaran XT

CDNA 3.0

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

146 billion

Transistors

58.2 billion

1017 mm²

Die Size

Unknown

Board Design

760W

TDP

500W

1000 W

Suggested PSU

900 W

No outputs

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

-

N/A

Shader Model

N/A

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