AMD Radeon Instinct MI25 vs AMD Radeon Instinct MI355X

Comparison of AMD Radeon Instinct MI25 with 16 GB HBM2 and 4,096 cores vs AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI25

AMD Radeon Instinct MI25

RX 7900 XTX RX 7900 XTX
Instinct MI300X Instinct MI300X
MI250 MI250

AMD Radeon Instinct MI355X

AMD Radeon Instinct MI355X

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Benchmarks Additional

Memory

Memory Size

16 GB 288 GB

Memory Type

HBM2 HBM3e

Memory Bandwidth

436.2 GB/s 8.19 TB/s

Memory Bus Width

2,048 бит 8,192 бит

ML Performance

FP16 (Half Precision)

24.58 TFLOPS 629.1 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

12.29 TFLOPS 78.64 TFLOPS

FP64 (Double Precision)

0.768 TFLOPS 78.64 TFLOPS

CUDA Cores

4,096 16,384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 5.0 CDNA 4.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 3.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,400 1,000

Boost Clock

1,500 2,400

Memory Clock

852 2,000

Power Consumption

TDP/TGP

🔥 -79% 300 W
1400 W

Recommended PSU

🔥 -61% 700 W
1800 W

Power Connector

2x 8-pin None

Rendering

Texture Units (TMU)

256 1,024

ROP

No No

L2 Cache

4 MB 32 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

Dual-slot OAM Module

Release Date

June 27, 2017 March 12, 2025

Display Outputs

No outputs
No outputs

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