AMD Radeon Instinct MI300X vs AMD Radeon Instinct MI25

VS

AMD Radeon Instinct MI300X AMD Radeon Instinct MI25

We compared two Professional market GPUs: 192GB VRAM Radeon Instinct MI300X and 16GB VRAM Radeon Instinct MI25 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300X 's Advantages

Released 6 years and 6 months late

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

More VRAM (192GB vs 16GB)

Larger VRAM bandwidth (5171GB/s vs 436.2GB/s)

15360 additional rendering cores

AMD Radeon Instinct MI25 's Advantages

Lower TDP (300W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300X +564%

81.72 TFLOPS

Radeon Instinct MI25

12.29 TFLOPS

Radeon Instinct MI300X

VS

Radeon Instinct MI25

Graphics Card

Dec 2023

Release Date

Jun 2017

Radeon 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

2525 MHz

Memory Clock

852 MHz

Memory

192GB

Memory Size

16GB

HBM3

Memory Type

HBM2

8192bit

Memory Bus

2048bit

5171GB/s

Bandwidth

436.2GB/s

Render Config

-

SM Count

-

304

Compute Units

64

19456

Shading Units

4096

1216

TMUs

256

0

ROPs

64

1216

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

2554 GTexel/s

Texture Rate

384.0 GTexel/s

653.7 TFLOPS

FP16 (half)

24.58 TFLOPS

81.72 TFLOPS

FP32 (float)

12.29 TFLOPS

81.72 TFLOPS

FP64 (double)

768.0 GFLOPS

Graphics Processor

Aqua Vanjaram

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

153 billion

Transistors

12.5 billion

1017 mm²

Die Size

495 mm²

Board Design

750W

TDP

300W

1150 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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