AMD Radeon Instinct MI25 vs AMD Instinct MI300X

VS

AMD Radeon Instinct MI25 AMD Instinct MI300X

We compared two Professional market GPUs: 16GB VRAM Radeon Instinct MI25 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 MI25 's Advantages

Lower TDP (300W vs 750W)

AMD 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 (5300GB/s vs 436.2GB/s)

15360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Instinct MI25

12.29 TFLOPS

AMD Instinct MI300X +1229%

163.4 TFLOPS

Radeon Instinct MI25

VS

AMD Instinct MI300X

Graphics Card

Jun 2017

Release Date

Dec 2023

Radeon Instinct

Generation

Instinct

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1400 MHz

Base Clock

1000 MHz

1500 MHz

Boost Clock

2100 MHz

852 MHz

Memory Clock

5200 MHz

Memory

16GB

Memory Size

192GB

HBM2

Memory Type

HBM3

2048bit

Memory Bus

8192bit

436.2GB/s

Bandwidth

5300GB/s

Render Config

-

SM Count

-

64

Compute Units

304

4096

Shading Units

19456

256

TMUs

880

64

ROPs

0

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

16 MB

Theoretical Performance

96.00 GPixel/s

Pixel Rate

0 MPixel/s

384.0 GTexel/s

Texture Rate

1496 GTexel/s

24.58 TFLOPS

FP16 (half)

1300 TFLOPS

12.29 TFLOPS

FP32 (float)

163.4 TFLOPS

768.0 GFLOPS

FP64 (double)

81.7 TFLOPS

Graphics Processor

Vega 10

GPU Name

MI300

Vega 10 XT GL (215-0894124)

GPU Variant

-

GCN 5.0

Architecture

CDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

12.5 billion

Transistors

146 billion

495 mm²

Die Size

1017 mm²

Board Design

300W

TDP

750W

700 W

Suggested PSU

1000 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

N/A

4.6

OpenGL

N/A

2.1

OpenCL

3.0

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

N/A

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