AMD Instinct MI300A vs AMD Radeon Instinct MI25

VS

AMD Instinct MI300A AMD Radeon Instinct MI25

We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 16GB VRAM Radeon Instinct MI25 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300A 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 40% (2100MHz vs 1500MHz)

More VRAM (128GB vs 16GB)

Larger VRAM bandwidth (5300GB/s vs 436.2GB/s)

10496 additional rendering cores

AMD Radeon Instinct MI25 's Advantages

Lower TDP (300W vs 760W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300A +897%

122.6 TFLOPS

Radeon Instinct MI25

12.29 TFLOPS

AMD Instinct MI300A

VS

Radeon Instinct MI25

Graphics Card

Dec 2023

Release Date

Jun 2017

Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1400 MHz

2100 MHz

Boost Clock

1500 MHz

5200 MHz

Memory Clock

852 MHz

Memory

128GB

Memory Size

16GB

HBM3

Memory Type

HBM2

8192bit

Memory Bus

2048bit

5300GB/s

Bandwidth

436.2GB/s

Render Config

-

SM Count

-

228

Compute Units

64

14592

Shading Units

4096

880

TMUs

256

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

96.00 GPixel/s

1496 GTexel/s

Texture Rate

384.0 GTexel/s

980.6 TFLOPS

FP16 (half)

24.58 TFLOPS

122.6 TFLOPS

FP32 (float)

12.29 TFLOPS

61.3 TFLOPS

FP64 (double)

768.0 GFLOPS

Graphics Processor

MI300

GPU Name

Vega 10

-

GPU Variant

Vega 10 XT GL (215-0894124)

CDNA 3.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

146 billion

Transistors

12.5 billion

1017 mm²

Die Size

495 mm²

Board Design

760W

TDP

300W

1000 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

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

1.2

-

CUDA

-

N/A

Shader Model

6.4

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